MAX98089EVKIT+WLP Maxim Integrated, MAX98089EVKIT+WLP Datasheet
MAX98089EVKIT+WLP
Specifications of MAX98089EVKIT+WLP
Related parts for MAX98089EVKIT+WLP
MAX98089EVKIT+WLP Summary of contents
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... LINEIN A2 Pin Configurations appear at end of data sheet. LINEIN B1 Functional Diagrams continued at end of data sheet. UCSP is a trademark of Maxim Integrated Products, Inc. LINEIN B2 + For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com. Low-Power, Stereo Audio Codec with FlexSound Technology S 5 ...
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... Line-to-Line Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 DAC to Speaker Line to Speaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 DAC to Headphone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Line to Headphone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 Speaker Bypass Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Detailed Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Slave Address Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 Power Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Microphone Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Line Inputs Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology TABLE OF CONTENTS MAX98089 2 ...
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... Headphone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 DirectDrive Headphone Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 Charge Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 Class H Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 Headphone Ground Sense (HPSNS 108 Headphone Output Mixers 110 Headphone Output Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 Output Bypass Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 Click-and-Pop Reduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology MAX98089 3 ...
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... Charge-Pump Flying Capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125 Charge-Pump Holding Capacitors 125 Unused Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125 Recommended PCB Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126 Supply Bypassing, Layout, and Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126 WLP Applications Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127 Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127 Package Information 128 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology MAX98089 4 ...
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... SDIN2 SDOUT2 LRCLK2 BCLK2 SDIN1 SDOUT1 LRCLK1 BCLK1 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology MAX98089 Functional Diagram 5 ...
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... POWER SUPPLY Supply Voltage Range Total Supply Current I VDD (Notes 2 and 3) Shutdown Supply Current (Note 2) REF Voltage REG Voltage Shutdown to Full Operation Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology HPSNS ..............................(V HPL, HPR .......................... (V RECP/LOUTL/RXINP, RECP/LOUTR/ RXINN .................... (V + 0.3V) SPKLP, SPKLN .......... (V HPGND + 0.3V) SPKRP, SPKRN ........ (V HPGND + 0 ...
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... PSRR Path Phase Delay MICROPHONE PREAMP Full-Scale Input Preamplifier Gain AV MICPRE_ PGA Gain AV MICPGA_ MIC Input Resistance R IN_MIC Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology = V = 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = 1FF 1FF. AV ...
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... Off-Leakage Current LINE INPUT TO ADC PATH Dynamic Range (Note 4) DR Total Harmonic Distortion + THD+N Noise Gain Error Power-Supply Rejection Ratio PSRR Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology = V = 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R ...
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... ADC DIGITAL FILTERS VOICE MODE IIR LOWPASS FILTER (MODE1 = 0) Passband Cutoff f PLP Passband Ripple Stopband Cutoff f SLP Stopband Attenuation (Note 6) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology = V = 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = 1FF 1FF ...
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... ADC STEREO AUDIO MODE FIR LOWPASS FILTER (MODE1 = 1, DHF1 = 1, LRCLK > 50kHz) Passband Cutoff f PLP Passband Ripple Stopband Cutoff f SLP Stopband Attenuation Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology = V = 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R ...
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... DAC LEVEL CONTROL DAC Attenuation Range AV DACATTN DAC Attenuation Step Size DAC Gain Adjust Range AV DACGAIN DAC Gain Adjust Step Size Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology = V = 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R ...
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... STEREO AUDIO MODE FIR LOWPASS FILTER (MODE1 = 1, DHF1/DHF2 = 0, LRCLK < 50kHz) Passband Cutoff f PLP Passband Ripple Stopband Cutoff f SLP Stopband Attenuation (Note 6) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology = V = 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R ...
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... Preattenuator Step Size DAC TO RECEIVER AMPLIFIER PATH Dynamic Range DR Output Offset Voltage V OS Total Harmonic Distortion + THD+N Noise Power-Supply Rejection Ratio PSRR Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology = V = 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = 1FF 1FF ...
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... Dynamic Range (Note 4) DR Total Harmonic Distortion + THD+N Noise Full-Scale Output Mute Attenuation Output Offset Voltage V OS Capacitive Drive Capability Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology = V = 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = 1FF 1FF ...
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... Total Harmonic Distortion + THD+N Noise Click-and-Pop Level K CP SPEAKER AMPLIFIER Output Power P OUT Full-Scale Output Volume Control AV SPK_ Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology = V = 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = 1FF 1FF. AV HPVDD ...
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... Time Constant 1 t PWR1 Time Constant 2 t PWR2 Weighting Factor k PWR DISTORTION LIMITER Distortion Limit Release Time Constant Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology = V = 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = 1FF 1FF. AV ...
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... Channel Gain Mismatch Click-and-Pop Level K CP LINE INPUT TO HEADPHONE AMPLIFIER PATH Total Harmonic Distortion + THD+N Noise Dynamic Range (Note 4) Click-and-Pop Level K CP Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology = V = 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = 1FF 1FF ...
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... Output Offset Voltage V OS Capacitive Drive Capability SPEAKER BYPASS SWITCH On-Resistance R ON Total Harmonic Distortion + THD+N Noise Off-Isolation Off-Leakage Current Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology = V = 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = 1FF 1FF. AV ...
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... DVDDS1 (Note 1) PARAMETER SYMBOL MCLK Input High Voltage V Input Low Voltage V Input Leakage Current I IH Input Capacitance Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology = V = 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = 1FF 1FF. AV HPVDD ...
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... SDA, SCL—INPUT Input High Voltage V Input Low Voltage V Input Hysteresis Input Leakage Current I IH Input Capacitance SDA, IRQ—OUTPUT Output High Current I Output Low Voltage V Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology = V = 1.8V DVDDS2 SPKLVDD CONDITIONS 3.6V 0V, 3.6V; T ...
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... Maximum MCLK Input Jitter LRCLK Sample Rate (Note 8) DAI1 LRCLK Average Frequency Error (Note 9) DAI2 LRCLK Average Frequency Error (Note 9) PLL Lock Time Maximum LRCLK Jitter to Maintain PLL Lock Soft-Start/Stop Time Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology = V = 1.8V DVDDS2 SPKLVDD CONDITIONS IH ...
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... BCLK (OUTPUT) t CLKSYNC LRCLK (OUTPUT) t HIZOUT SDOUT LSB HI-Z (OUTPUT) SDIN LSB (INPUT) MASTER MODE Figure 1. Non-TDM Audio Interface Timing Diagrams (TDM_ = 0) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology = V = 1.8V DVDDS2 SPKLVDD SYMBOL CONDITIONS t Slave mode BCLK t Slave mode BCLKH t ...
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... AVDD HPVDD DVDD DVDDS1 (Note 1) PARAMETER SYMBOL DIGMICCLK Frequency DIGMICDATA to DIGMICCLK Setup Time DIGMICDATA to DIGMICCLK Hold Time Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology t R BCLK (INPUT) t CLKSYNC LRCLK (INPUT) SDOUT (OUTPUT) MSB t t SETUP HOLD SDIN (INPUT) ...
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... Data Setup Time SDA and SCL Receiving Rise Time SDA and SCL Receiving Fall Time SDA Transmitting Fall Time Setup Time for STOP Condition Bus Capacitance Pulse Width of Suppressed Spike Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology 1/f MICCLK t t HD,MIC ...
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... DAC Playback 48kHz Stereo HP DAC ª HP Low power mode, 24-bit, music filters, 256Fs DAC Playback 48kHz Stereo HP DAC ª HP Low power mode, 24-bit, music filters, 256Fs, 0.1mW/channel 32I HP Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology = V = 1.8V DVDDS2 SPKLVDD t SU,STA t ...
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... Line Playback Stereo HP INA ª HP Single-ended inputs DAC Playback to Class D Speaker DAC Playback 48kHz Stereo SPK DAC ª SPK 24-bit, music filters Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Power Consumption (continued 1.8V DVDDS2 ...
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... Line Stereo Record 48kHz INA ª ADC 24-bit, low power, music filters Line Stereo Record 48kHz INA ª ADC Direct pin input, 24bit, low power, music filters Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Power Consumption (continued 1.8V DVDDS2 ...
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... AV = 0dB MICPRE_ -40 -50 -60 -70 -80 -90 -100 10 100 1k 10k FREQUENCY (Hz) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics = V = 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1. T ...
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... MICPRE -40 -60 -80 -100 -120 -140 -160 -180 FREQUENCY (kHz) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12 ...
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... FREQUENCY (kHz) FFT, -60dBFS (MIC TO ADC) 0 -20 -40 -60 -80 -100 -120 -140 0 5 FREQUENCY (kHz) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ ...
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... FFT, -60dBFS (MIC TO ADC) 0 -20 -40 -60 -80 -100 -120 -140 0 5 FREQUENCY (kHz) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV ...
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... TOTAL HARMONIC DISTORTION PLUS NOISE vs. FREQUENCY (LINE-IN TO ADC) 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 10 100 FREQUENCY (Hz) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12 ...
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... FFT, 0dBFS (SDINS1 TO SDINS2 DIGITAL LOOPBACK) 0 -20 -40 -60 -80 -100 -120 -140 -160 -180 0 5 FREQUENCY (kHz) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12 ...
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... 1µF IN -60 -80 -100 -120 -140 FREQUENCY (kHz) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12 ...
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... FREQ MODE R = 32I REC 100 1k FREQUENCY (Hz) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1. T ...
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... FFT, 0dBFS (DAC TO RECEIVER -20 -40 -60 -80 -100 -120 -140 FREQUENCY (kHz) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12 ...
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... C = 1µ 100 FREQUENCY (Hz) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1. T ...
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... OUTPUT LEVEL (V ) RMS Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1. T ...
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... OUTPUT POWER (W) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1. T ...
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... P = 0.25W OUT -60 - 0.55W -80 OUT -90 100 1k 10k FREQUENCY (Hz) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1. T ...
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... SPK_ WLP PACKAGE 1500 THD+N = 10% 1000 THD 500 0 2.5 3.0 3.5 4.0 4.5 5.0 SUPPLY VOLTAGE (V) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1. T ...
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... SKP_ 0 0 400 800 1200 1600 200 600 1000 1400 1800 OUTPUT POWER PER CHANNEL (mW) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV ...
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... 68µH SPK_ -40 -60 -80 -100 -120 -140 FREQUENCY (kHz) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12 ...
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... FREQUENCY (LINE TO SPEAKER RIPPLE ON AVDD, 50 DVDD, HPVDD 100 FREQUENCY (Hz) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12 ...
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... OUTPUT POWER (W) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ ...
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... OUTPUT POWER (W) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1. T ...
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... P = 0.01W OUT -70 - 0.02W OUT -90 10 100 1k 10k FREQUENCY (Hz) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1. T ...
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... HP_ -40 -50 -60 P OUT P = 0.02W OUT -70 -80 -90 10 100 FREQUENCY (Hz) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1. T ...
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... RIPPLE ON AVDD, PVDD, DVDD 200mV RIPPLE P 100 FREQUENCY (Hz) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12 ...
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... MCLK = 13MHz 0 -20 -40 -60 -80 -100 -120 -140 FREQUENCY (kHz) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12 ...
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... FREQUENCY (kHz) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12 ...
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... OUTPUT POWER (W) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12 ...
Page 53
... C = 1µ 100 FREQUENCY (Hz) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1. T ...
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... 68µH SPK -20 -30 - 1000kHz -50 - 100Hz -70 -80 0 0.05 0.10 OUTPUT POWER (W) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Typical Operating Characteristics (continued 1.8V DVDDS2 SPKLVDD SPKRVDD ) connected between RECP and RECN. Headphone loads (R = +20dB 0dB, AV MICPGA_ = 0dB 0dB 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1. T ...
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... SPKRN SPKRGND SPKLVDD B SPKRP SPKRP SPKRVDD C D BCLKS1 SDOUTS1 SPKRVDD E DVDDS1 MCLK DGND F BCLKS2 LRCLKS2 SDOUTS2 DVDDS2 G Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology SPKLP SPKLN SPKLP SPKLN SPKLGND SPKLGND MAX98089 LRCLKS1 N.C. N.C. SDINS1 IRQ SDA SCL SDINS2 DVDD ...
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... AVDD 50 SCL 51 SDA 52 DVDD 53 SDINS2 54 DVDDS2 55 IRQ 56 *EP = EXPOSED PAD. CONNECT TO GROUND PLANE. Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology MAX98089 TQFN (7mm x 7mm x 0.75mm) ...
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... SDOUTS1 D4 10 LRCLKS1 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Negative Right-Channel Class D Speaker Output Right-Speaker Ground Left-Speaker, REF, Receiver Amp Power Supply. Bypass to SPKLGND with a 1FF and a 10FF capacitor. Positive Left-Channel Class D Speaker Output Negative Left-Channel Class D Speaker Output Positive Receiver Amplifier Output or Left Line Output ...
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... F8 41 DIGMICCLK INA1 EXTMICP Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Bump/Pin Description (continued) S1 Digital Audio Interface Power-Supply Input. Bypass to DGND with a 1FF ca- pacitor. Master Clock Input. Acceptable input frequency range is 10MHz to 60MHz. S1 Digital Audio Serial-Data DAC Input. The input/output voltage is referenced to DVDDS1 ...
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... G8 43 MIC2N G9 42 MIC2P — — Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Bump/Pin Description (continued) S2 Digital Audio Serial-Data ADC Output. The output voltage is referenced to DVDDS2. S2 Digital Audio Interface Power-Supply Input. Bypass to DGND with a 1FF ca- pacitor. S2 Digital Audio Serial-Data DAC Input. The input voltage is referenced to DVDDS2 ...
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... The IC includes a stereo Class D speaker amplifier, a high-efficiency Class H stereo headphone amplifier, and a differential receiver amplifier that can be configured as a single-ended stereo line output. Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology When the receiver amplifier is disabled, analog switches allow RECP/RXINP and RECN/RXINN to be reused for signal routing ...
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... BCI2 DAC_ Clock 0 0 ORS2 I/O SEL2 Configuration Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology 2 C Slave Address 2 C control bus. The Table 1 lists all of the registers, their addresses, and power-on-reset states. Registers 0x00 to 0x03 and 0xFF are read-only while all of the other registers are read/ write ...
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... Mixer Receiver LINE_ Amplifier 0 MODE Mixer Control Left Speaker Amplifier Mixer Right Speaker Amplifier Mixer Speaker Amplifier 0 0 Mixer Control Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology SLOTR2 SLOTDLY2 0 0 DHF2 0 SRMIX_ SRMIX_ SRMIX_ 0 MODE ENL ENR ...
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... Control Right Headphone Amplifier HPRM 0 Volume Control Left Receiver Amplifier RECLM 0 Volume Control Right Receiver Amplifier RECRM 0 Volume Control Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DVST DV1G DV1 0 EQCLP1 DVEQ1 0 0 DV2 0 EQCLP2 DVEQ2 AVLG AVL ...
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... Output HPLEN HPREN SPLEN Enable Top-Level BGEN SPREGEN VCMEN Bias Control DAC Low DAI2_DAC_LP Power Mode 1 DAC Low 0 0 Power Mode 2 System SHDN VBATEN Shutdown Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology SPVOLL 0 SPVOLR AGCATK AGCTH ...
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... Table 1. Register Map (continued) REGISTER B7 B6 DSP COEFFICIENTS EQ Band 1 (DAI1/DAI2) EQ Band 2 (DAI1/DAI2) EQ Band 3 (DAI1/DAI2) EQ Band 4 (DAI1/DAI2) Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology K_1[15:8] K_1[7:0] K1_1[15:8] K1_1[7:0] K2_1[15:8] K2_1[7:0] c1_1[15:8] c1_1[7:0] c2_1[15:8] c2_1[7:0] K_2[15:8] K_2[7:0] K1_2[15:8] K1_2[7:0] ...
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... Table 1. Register Map (continued) REGISTER Band 5 (DAI1/DAI2) Excursion Limiter Biquad (DAI1/DAI2) REVISION ID Rev ID Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology K_5[15:8] K_5[7:0] K1_5[15:8] K1_5[7:0] K2_5[15:8] K2_5[7:0] c1_5[15:8] c1_5[7:0] c2_5[15:8] c2_5[7:0] a1[15:8] a1[7:0] a2[15:8] a2[7:0] b0[15:8] b0[7:0] b1[15:8] b1[7:0] b2[15:8] b2[7:0] REV MAX98089 B1 B0 ADDRESS DEFAULT R/W PAGE ...
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... INBEN 0x4C 3 MBEN 1 ADLEN 0 ADREN Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DESCRIPTION Global Shutdown. Disables everything except the headset detection circuitry, which is controlled separately Device Shutdown 1 = Device Enabled See the Battery Measurement section. Performance Mode. Selects DAC to headphone playback performance mode. ...
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... RECREN 1 DALEN 0 DAREN 7 BGEN 6 SPREGEN 0x4E 5 VCMEN 4 BIASEN 0 JDWK Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DESCRIPTION Left Headphone Enable 0 = Disabled 1 = Enabled Right Headphone Enable 0 = Disabled 1 = Enabled Left Speaker Enable 0 = Disabled 1 = Enabled Right Speaker Enable 0 = Disabled 1 = Enabled Receiver/Left Line Output Enable. Use this bit to enable the differential receiver output or left line output ...
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... MIC2P MIC2N INABYP INA1/EXTMICP INA2/EXTMICN Figure 6. Microphone Input Block Diagram Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology MIC2P/MIC2N and EXTMICP/EXTMICN. MIC1P/MIC1N then become outputs that route the microphone signals to an external device as needed. Two devices can then record microphone signals without needing external analog switches ...
Page 70
... PGAM1/PGAM2 MICCLK 6 5 DIGMICL 0x48 4 DIGMICR 1 EXTMIC 0 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DESCRIPTION MIC1/MIC2 Preamplifier Gain Course microphone gain adjustment Preamplifier disabled 01 = 0dB 10 = 20dB 11 = 30dB MIC1/MIC2 PGA Fine microphone gain adjustment. VALUE GAIN (dB) 0x00 +20 0x01 ...
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... PGAINB: +20dB TO -6dB INB1 INBDIFF PGAINB: +20dB TO -6dB INB2 Figure 7. Line Input Block Diagram Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DESCRIPTION INA�/EXTMIC� to MIC1� Bypass Switch 0 = Disabled 1 = Enabled MIC1� to MIC2� Bypass Switch 0 = Disabled 1 = Enabled See the Output Bypass Switches section ...
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... INA1 and INA2. The ADC mixer routes any combina- tion of the eight audio inputs to the left and right ADCs (Figure 9). Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Line Input A/B External Gain Switches out the internal input resistor and selects a trimmed 20kI feedback resistor ...
Page 73
... ADLEN MIXADL MIX ADCR ADREN MIXADR Figure 10. Record Path Signal Processing Block Diagram Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Left/Right ADC Input Mixer Selects which analog inputs are recorded by the left/right ADC. 1xxxxxxx = MIC1 x1xxxxxx = MIC2 xx1xxxxx = INA1 pin direct ...
Page 74
... AGC AGCSRC 6 0x3F 5 AGCRLS 4 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DESCRIPTION Noise Gate Attenuation Reports the current noise gate attenuation. 000 = 0dB 001 = 1dB 010 = 2dB 011 = 3dB to 5dB 100 = 6dB to 7dB 101 = 8dB to 9dB 110 = 10dB to 11dB ...
Page 75
... AGCTH 1 0 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DESCRIPTION AGC Attack Time Defined as the time required to reduce gain by 63% of the total gain reduction (one time constant of the exponential response). Attack times are longer for low AGC threshold levels ...
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... ATTACK TIME Figure 12. AGC Timing Figure 13. ADC Record Level Control Block Diagram Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology HOLD TIME The IC includes separate digital level control for the left and right ADC outputs (Figure 13). To optimize dynamic range, use analog gain to adjust the signal level and set ...
Page 77
... AUTOMATIC GAIN CONTROL ADLEN ADCL ADCR ADREN Figure 14. Sidetone Block Diagram Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Left/Right ADC Gain 00 = 0dB 01 = 6dB 10 = 12dB 11 = 18dB Left/Right ADC Level VALUE ...
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... Use DAI2 for music and to mix two playback audio signals. The digital audio interfaces are separate from the audio ports to enable either interface to communicate with any external device connected to either audio port. Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DESCRIPTION Sidetone Source Selects which ADC output is fed back as sidetone ...
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... PCM X TDM Don’t care. Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology faces must be configured for the same sample rate, but the interface format need not be the same. This allows the IC to route audio data from one device to another, converting the data format as needed ...
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... DLY1/DLY2 2 TDM1/TDM2 1 FSW1/FSW2 0 WS1/WS2 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DESCRIPTION DAI1/DAI2 Master Mode In master mode, DAI1/DAI2 outputs LRCLK and BCLK. In slave mode, DAI1/DAI2 accept LRCLK and BCLK as inputs Slave mode 1 = Master mode DAI1/DAI2 Word Clock Invert TDM1/TDM2 = Left-channel data is transmitted while LRCLK is low ...
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... LTEN1 0x16/0x1E LBEN1/ 4 LBEN2 DMONO1/ 3 DMONO2 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DESCRIPTION ADC Oversampling Ratio Use the higher setting for maximum performance. Use the lower setting for reduced power consumption at the expense of performance 96x 01 = 64x 10 = Reserved 11 = Reserved DAC Oversample Clock (Select PCLK/2 for higher performance ...
Page 82
... SLOTR2 SLOTDLY1/ SLOTDLY2 1 0 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DESCRIPTION Disable DAI1/DAI2 Output High-Impedance Mode Normally SDOUT is set high impedance between data words. Set HIZOFF1/HIZOFF2 to force a level on SDOUT at all times Disabled 1 = Enabled DAI1/DAI2 Record Path Output Enable DAI2 outputs data only if LBEN1 = 1 ...
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... D15 D14 D13 D12 D11 D10 BCLK SDIN D15 D14 D13 D12 D11 D10 Figure 16. Non-TDM Data Format Examples Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology LEFT D15 D14 D13 D12 D11 D10 ...
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... WCI_ = 0, BCI_ = 1, DLY_ = 0, TDM_ = 1, FSW_ = 0, WS_ = 0, HIZOFF_ = 0, SLOTL_ = 0, SLOTR_ = 1 LRCLK 16 CYCLES SDOUT HI BCLK SDIN HI Figure 17. TDM Mode Data Format Examples Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology 16 CYCLES 16 CYCLES ...
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... SR1/SR2 5 4 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Clock Control U Normal Mode: This mode uses a 15-bit clock divider to set the sample rate relative to PCLK. This allows high flexibility in both the PCLK and LRCLK frequen- cies and can be used in either master or slave mode. ...
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... NI1/ NI2 0x13/0x1B 1 0 NI1[0]/NI2[0] Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DESCRIPTION Exact Integer Mode Overrides PLL1 and NI1 and configures a specific PCLK to LRCLK ratio. VALUE SAMPLE RATE 0x0 Disabled 0x1 Reserved 0x2 Reserved ...
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... DAC2DITHEN 2 DAC1DITHEN 0x50 1 CGM2_EN 0 CGM1_EN Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DESCRIPTION DAI� DAC Low Power Select. These bits setup the clocks to be generated from fixed counters that bypass the PLL for DAC low power mode. FILTER ...
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... DAI1 (SDIN1) and DAI2 (SDIN2). The resulting SIDETONE AUTOMATIC GAIN CONTROL MODE1 AVLG: 0/6/ ADLEN 12/18dB ADCL AVL:0dB TO -15dB SRMIX_ ADCR ADREN Figure 18. Sample Rate Converter Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology LRCLK (kHz) DHF1 22.05 24 2752 3631 3AFB 23BF 3144 359F 22D4 ...
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... GAIN CONTROL ADLEN ADCL ADCR ADREN Figure 19. Digital Passband Filtering Block Diagram Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Sample Rate Mix Mode. Sets mixing configuration applied to the sample rate converted channel(s (DAI1 + DAI2 (DAI1 + DAI2)/2 Sample Rate Mix Enable. If enabled, mixes data on DAI1 and DAI2. If cleared, SCR data source is DAI2 only ...
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... DHF1 2 1 DVFLT1 0 3 DHF2 0x20 0 DCB2 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DESCRIPTION DAI1 Passband Filtering Mode 0 = Voice filters 1 = Music filters (recommended for f S DAI1 ADC Highpass Filter Mode MODE1 0 1 DAI1 High Sample Rate Mode Selects the sample rate range ...
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... Table 15. Voice Highpass Filters AVFTL/DVFLT VALUE INTENDED SAMPLE RATE 000 001/011 16kHz/8kHz 010/100 16kHz/8kHz 101 8kHz to 48kHz 110/111 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology N/A N/A MAX98089 FILTER RESPONSE Disabled 10 0 -10 -20 -30 -40 -50 -60 0 200 400 600 800 1000 FREQUENCY (Hz) ...
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... DV1: 0dB TO -15dB MODE1 DVFLT Figure 20. Playback Path Signal Processing Block Diagram Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology The ALC can optionally be configured in multiband mode. In this mode, the input signal is filtered into two bands with a 5kHz center frequency. Each band is routed through independent ALCs and then summed together ...
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... Q less than that shown in Figure 22 to achieve ideal frequency responses. Setting a higher Q results in non- ideal frequency response. The biquad filters are series connected, allowing a total gain of Q60dB. Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology ALC Enable Enables ALC on both the DAI1 and DAI2 playback paths. ...
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... VSEN 5 ZDEN 0x49 1 EQ2EN 0 EQ1EN Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology The MAX98089 EV kit software includes a graphical inter- face for generating the EQ coefficients. The coefficients are sample rate dependent and stored in registers 0x52 through 0xB5. DESCRIPTION DAI1/DAI2 EQ Clip Detection Automatically controls the EQ attenuator to prevent clipping in the EQ ...
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... NAME 7 DV1M/DV2M 5 DV1G 4 0x2F/0x31 3 2 DV1/DV2 1 0 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology allows boost when MODE1 = 0 and attenuation in any mode. The DAI2 signal path allows attenuation only. DV1G: 0/6/12/18dB + MULTI BAND ALC DVEQ1: DVEQ2: 0dB TO -15dB 0dB TO -15dB ...
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... Figure 24. DAC Input Mixer Block Diagram Table 19. DAC Input Mixer Register REGISTER BIT NAME 7 6 MIXDAL 5 4 0x22 3 2 MIXDAR 1 0 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DV1G: 0/6/12/18dB + MULTI BAND ALC DVEQ1: DVEQ2: 0dB TO -15dB 0dB TO -15dB 5-BAND 5-BAND PARAMETRIC EQ EQ ...
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... The receiver amplifier can also be configured as stereo single- 2 ended line outputs using the I C interface. DACL DALEN DACR DAREN Figure 25. Receiver Amplifier Block Diagram Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology RECVOLL: +8dB TO -62dB MIX 0dB RECLEN MIXRECL ...
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... MIXRECR 0x2A _GAIN 2 1 MIXRECL 0 _GAIN 0 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DESCRIPTION Left Receiver Output Mixer 1xxxxxxx = Right DAC x1xxxxxx = MIC2 xx1xxxxx = MIC1 xxx1xxxx = INB2 (INBDIFF = 0) or INB2-INB1 (INADIFF = 1) xxxx1xxx = INB1 xxxxx1xx = INA2 (INADIFF = 0) or INA2-INA1 (INADIFF = 1) ...
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... Receiver Output Volume Table 21. Receiver Output Level Register REGISTER BIT NAME RECLM/ 7 RECRM 4 3 0x3B/0x3C 2 RECVOLL/ RECVOLR 1 0 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DESCRIPTION Receiver Output Mute 0 = Disabled 1 = Enabled Receiver Output Volume Level VALUE VOLUME (dB) 0x00 -62 0x01 -58 0x02 -54 ...
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... DACL DALEN DACR DAREN Figure 26. Speaker Amplifier Path Block Diagram Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology The theoretical best efficiency of a linear amplifier is 78%, however, that efficiency is only exhibited at peak output power. Under normal operating levels (typical music reproduction levels), efficiency falls below 30%, whereas the IC’ ...
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... MIXSPR _GAIN 2 0x2D 1 MIXSPL _GAIN 0 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DESCRIPTION Left Speaker Output Mixer 1xxxxxxx = Right DAC x1xxxxxx = MIC2 xx1xxxxx = MIC1 xxx1xxxx = INB2 (INBDIFF = 0) or INB2-INB1 (INBDIFF = 1) xxxx1xxx = INB1 xxxxx1xx = INA2 (INBDIFF = 0) or INA2-INA1 (INADIFF = 1) ...
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... The excursion limiter is a dynamic highpass filter that monitors the speaker outputs and increases the highpass corner frequency when the speaker amplifier’s output exceeds a predefined threshold. The filter smoothly Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Left/Right Speaker Output Mute ...
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... EQ1EN EQ2EN EXCURSION LIMITER DV2: 0dB TO -15dB DV1: 0dB TO -15dB Figure 27. Speaker Amplifier Signal Processing Block Diagram Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology The MAX98089 EV kit software includes a graphic interface for generating the user-programmable biquad coefficients Note: Only change the excursion limiter settings when ...
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... DHPTH 1 0 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DESCRIPTION Excursion Limiter Corner Frequency The excursion limiter has limited sliding range and minimum corner frequencies. Listed below are all the valid filter combinations. LOWER CORNER UPPER CORNER ...
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... PWRK 0 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Power Limiter The IC’s power limiter includes user-programmable time constants and power thresholds to match a wide range of loudspeakers. Program the power limiter’s threshold to match the loudspeaker’s rated power handling. This can be determined through measurement or the loudspeak- er’ ...
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... The IC’s distortion limiter ensures that the speaker amplifier’s output does not exceed the programmed THD+N limit. The distortion limiter analyzes the Class D output duty cycle to determine the percentage of the waveform that is clipped. If the distortion exceeds the programmed threshold, the output gain is reduced. Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology ...
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... The dual-mode charge pump generates both the positive and negative power supply for the headphone amplifier. To maximize efficiency, both the charge pump’s switching fre- quency and output voltage change based on signal level. Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DESCRIPTION Distortion Limit Measured in % THD+N ...
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... V TH_H V TH_L -0.9V HPVSS -1.8V Figure 29. Class H Operation Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology V A Class H amplifier uses a Class AB output stage with DD power supplies that are modulated by the output signal. In the case of the ICs, two nominal power-supply differ- entials of 1.8V (+0.9V to -0.9V) and 3.6V (+1.8V to -1.8V) ...
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... DACL DALEN DACR DAREN Figure 31. Headphone Amplifier Block Diagram Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology MIXHPL_ PATH SEL MIX MIXHPL MIXHPR_ PATH SEL MIX MIXHPR MAX98089 HPVOLL: +3dB TO -67dB HPL HPLEN HPSNS HPVOLR: +3dB TO -67dB HPR HPREN 109 ...
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... MIXHPL _GAIN 0 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology signal is selected, the mixer can be configured to attenu- ate the signal by 6dB, 9dB, or 12dB. The stereo DAC can bypass the headphone mixers, and be connected directly to the headphone amplifiers to provide lower power consumption ...
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... Headphone Output Volume Table 28. Headphone Output Level Register REGISTER BIT NAME 7 HPLM/HPRM 4 3 0x39/0x3A HPVOLL/HPVOLR Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DESCRIPTION Headphone Output Mute 0 = Disabled 1 = Enabled Left/Right Headphone Output Volume Level VALUE VOLUME (dB) 0x00 -67 0x01 -63 0x02 ...
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... MIC2BYP 1 RECBYP 0x4A 0 SPKBYP Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology an external receiver amplifier is used, route its output to the left speaker through RECP/RXINP and RECN/RXINN, bypassing the Class D amplifier. In systems where an external amplifier drives both the receiver and the IC’s ...
Page 113
... ZDEN 1 EQ2EN 0 EQ1EN Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology enabled, volume slewing also occurs at device turn-on and turn-off. During turn-on the volume is set to mute before the output is enabled. Once the output is on, the volume ramps to the desired level. At turn-off the volume is ramped to mute before the outputs are disabled ...
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... MIC GND HPR Table 32. Change in JKSNS Upon Button Press JACK TYPE GND Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Jack Detection After jack insertion, the MAX98089 can detect button presses on accessories that include a microphone and a switch that shorts the microphone signal to ground. ...
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... BIT NAME 7 0x02 JKSNS (Read Only JDETEN 0x4B 1 JDEB 0 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology JDWK = 1 AND MICBIAS DISABLED JKSNS: 00 è 11 JKSNS: 00 è 11 DESCRIPTION JACKSNS State Reports the status of JACKSNS when JDETEN = 1. VALUE MODE MBEN = 1 00 MBEN = 0 ...
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... PERFMODE 2 HPPLYBCK 1 PWRSV8K 0 PWRSV Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DESCRIPTION See the Power Management section. See the Power Management section. See the Power Management section. See the Power Management section. JACKSNS Pullup When JDWK = 1, JACKSNS is slow to increase in voltage. Set JDWK = 0 before setting JDETEN = 1 to prevent false detection ...
Page 117
... ISLD 0x0F 5 IULK 1 IJDET Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Device Status either by poling register 0x00 or configuring the IRQ to pull low when specific events occur. IRQ is an open-drain output that requires a pullup resistor for proper operation. Register 0x0F determines which bits in the status register trigger IRQ to pull low ...
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... SDA and SCL are optional. Series resistors pro- SCL SDA Figure 34. START, STOP, and REPEATED START Conditions SMBus is a trademark of Intel Corp. Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Device Revision Code REV is always set to 0x40. C Serial Interface ...
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... A S SLAVE ADDRESS O R/W Figure 37. Writing n-Bytes of Data to the ICs Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Slave Address is busy system fault has occurred. In the event of an unsuccessful data transfer, the bus master retries communication. The master pulls down SDA during the 9th clock cycle to acknowledge receipt of data when the read mode ...
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... A SLAVE ADDRESS O R/W Figure 39. Reading n Bytes of Data from the ICs Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology The first byte transmitted from the ICs is the content of register 0x00. Transmitted data is valid on the rising edge of SCL. The address pointer autoincrements after each read data byte ...
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... MICROPHONE OUTPUT TO BASEBAND JACKSNS 1kI 2.2kI HEADSET MICROPHONE HANDSET MICROPHONE 1kI LINE INPUT Figure 40. Typical Application Circuit Using Analog Microphone Inputs and the Bypass Switch Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology 1.8V 1.8V TO 3.6V 0.1µF 10µF 1µF 1µF 1.8V TO DVDDS1 PVDD DVDD AVDD 5 ...
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... CLOCK DATA DIGITAL MIC 2 CLOCK 2.2kI JACKSNS HEADSET MICROPHONE LINE INPUT LINE INPUT Figure 41. Typical Application Circuit Using the Digital Microphone Input and Receiver Amplifier Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology 1.8V 1.8V TO 3.6V 0.1µF 10µF 1µF 1µF 1.8V TO DVDDS1 PVDD DVDD AVDD 5 ...
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... Configure miscellaneous functions 9 Enable desired functions 10 Set SHDN = 1 Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology In RF applications, improvements to both layout and com- ponent selection decrease the IC’s susceptibility to RF noise and prevent RF signals from being demodulated into audible noise. Trace lengths should be kept below 1/4 of the wavelength of the RF frequency of interest ...
Page 124
... Figure 42. Optional Class D Ferrite Bead Filter Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology that removes the DC bias from an incoming analog signal. The AC coupling capacitor allows the amplifier to automatically bias the signal to an optimum DC level. ...
Page 125
... INB2 HPR DVDDS1 SDOUTS1 BCLKS1 JACKSNS Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology The holding capacitors (bypassing HPVSS to HPGND and HPVDD to HPGND) value and ESR directly affect the ripple at HPVSS and HPVDD. Increasing the capacitor’s value reduces output ripple. Likewise, decreasing the ESR reduces both ripple and output resistance ...
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... LAYER 1 LAYER 2 LAYER 3 Figure 43. Suggested Routing for the MAX98089EWY Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Supply Bypassing, Layout, and Grounding Proper layout and grounding are essential for optimum performance. When designing a PCB for the ICs, parti- tion the circuitry so that the analog sections of the IC are separated from the digital sections ...
Page 127
... Application Note 1891: Wafer- Level Packaging (WLP) and Its Applications. Figure 44 shows the dimensions of the WLP balls used on the MAX98089EWY. Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology Figure 44. MAX98089EWY WLP Ball Dimensions PART ...
Page 128
... RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status. PACKAGE TYPE 56 TQFN 63 WLP Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology PACKAGE CODE OUTLINE NO. ...
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... For the latest package outline information and land patterns (footprints www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status. Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology ...
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... For the latest package outline information and land patterns (footprints www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status. Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology ...
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... Maxim Integrated 160 Rio Robles, San Jose, CA 95134 USA 1-408-601-1000 © Maxim Integrated Low-Power, Stereo Audio Codec with FlexSound Technology DESCRIPTION The Maxim logo and Maxim Integrated are trademarks of Maxim Integrated Products, Inc. MAX98089 Revision History PAGES CHANGED — 13, 14, 77, ...