MAX97002EWP+T Maxim Integrated Products, MAX97002EWP+T Datasheet
MAX97002EWP+T
Specifications of MAX97002EWP+T
Related parts for MAX97002EWP+T
MAX97002EWP+T Summary of contents
Page 1
... POWER SUPPLY STEREO/ MONO INPUT STEREO/ MONO INPUT _______________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. S 2.7V to 5.5V Speaker Supply Voltage S 1. Headphone Supply Voltage S 700mW Speaker Output ( 8ω + 68µH) ...
Page 2
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers General Description . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 3
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers Table of ConTenTs (ConTinued) Early STOP Conditions ...
Page 4
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers -6dB TO +18dB 0.47µF INA1 C1 OPTIONAL -6dB TO +18dB 0.47µF C2 INA2 + OPTIONAL -6dB TO +18dB 0.47µF INB1 D1 OPTIONAL -6dB TO +18dB 0.47µF INB2 D2 ...
Page 5
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers ABSOLUTE MAxIMUM RATINGS (Voltages with respect to GND HPVDD ........................................................-0.3V to +2.2V DD PVDD ....................................................................-0.3V to +6.0V HPVSS ..................................................................-2.2V to +0.3V C1N ..................................... (HPVSS - 0.3V) ...
Page 6
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers ELECTRICAL CHARACTERISTICS (continued 1.8V 3.7V 0V. Input signal applied at INA configured single-ended, preamp gain = 0dB, HPLVOL = VDD PVDD GND ...
Page 7
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers ELECTRICAL CHARACTERISTICS (continued 1.8V 3.7V 0V. Input signal applied at INA configured single-ended, preamp gain = 0dB, HPLVOL = VDD PVDD GND ...
Page 8
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers ELECTRICAL CHARACTERISTICS (continued 1.8V 3.7V 0V. Input signal applied at INA configured single-ended, preamp gain = 0dB, HPLVOL = VDD PVDD GND ...
Page 9
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers ELECTRICAL CHARACTERISTICS (continued 1.8V 3.7V 0V. Input signal applied at INA configured single-ended, preamp gain = 0dB, HPLVOL = VDD PVDD GND ...
Page 10
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers TIMING CHARACTERISTICS (V = 3.7V 0V PVDD GND A MIN PARAMETER SYMBOL Serial-Clock Frequency Bus Free Time Between STOP and ...
Page 11
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers ( 3.7V LDOIN PVDD GND PGND loads (ZSPK) connected between OUTP and OUTN. Headphone loads (RHP) connected from HPL or HPR to ...
Page 12
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers ( 3.7V LDOIN PVDD GND PGND loads (ZSPK) connected between OUTP and OUTN. Headphone loads (RHP) connected from HPL or HPR to ...
Page 13
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers ( 3.7V LDOIN PVDD GND PGND loads (ZSPK) connected between OUTP and OUTN. Headphone loads (RHP) connected from HPL or HPR to ...
Page 14
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers ( 3.7V LDOIN PVDD GND PGND loads (ZSPK) connected between OUTP and OUTN. Headphone loads (RHP) connected from HPL or HPR to ...
Page 15
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers ( 3.7V LDOIN PVDD GND PGND loads (ZSPK) connected between OUTP and OUTN. Headphone loads (RHP) connected from HPL or HPR to ...
Page 16
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers ( 3.7V LDOIN PVDD GND PGND loads (ZSPK) connected between OUTP and OUTN. Headphone loads (RHP) connected from HPL or HPR to ...
Page 17
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers TOP VIEW (BUMP SIDE DOWN PIN NAME A1 HPR Headphone Amplifier Left Output A2 HPL Headphone Amplifier Right Output A3 HPVSS Headphone Amplifier Negative ...
Page 18
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers Detailed Description The MAX97002 mono audio subsystem combines a mono speaker amplifier with a stereo headphone ampli- fier and an analog DPST switch. The high-efficiency 700mW Class D ...
Page 19
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers STEREO SINGLE-ENDED IN_2 (R) IN_1 (L) DIFFERENTIAL IN_2 (+) IN_1 (-) Figure 3. Differential and Stereo Single-Ended Input Configurations R TO MIXER L TO MIXER 19 ...
Page 20
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers Ultra-Low EMI Filterless Output Stage Traditional Class D amplifiers require the use of exter- nal LC filters or shielding in order to meet EN55022B electromagnetic-interference (EMI) regulation stan- ...
Page 21
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers The MAX97002 speaker amplifiers integrate a limiter to provide speaker protection and audio compression. When enabled, the limiter monitors the audio signal at the output of the Class ...
Page 22
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers In addition to the cost and size disadvantages of the DC-blocking capacitors required by conventional headphone amplifiers, these capacitors limit the ampli- fier’s low-frequency response and can distort ...
Page 23
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers Nine internal registers program the MAX97002. Table 1 lists all of the registers, their addresses, and power-on- reset states. Register 0xFF indicates the device revision. Table 1. Register ...
Page 24
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers Table 2. Input Register REGISTER BIT NAME 7 INADIFF 6 INBDIFF 5 4 PGAINA 0x00 PGAINB 0 24 DESCRIPTION Input A Differential Mode. Configures the ...
Page 25
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers Table 3. Mixer Registers REGISTER BIT NAME 7 6 HPLMIX 5 4 0x01 3 2 HPRMIX 0x02 SPKMIX 1 0 DESCRIPTION Left Headphone Mixer. ...
Page 26
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers Table 4. Volume Control Registers REGISTER BIT NAME 7 ZCD 6 SLEW 5 HPLM 4 0x03 3 2 HPLVOL DESCRIPTION Zero-Crossing Detection. Determines whether zero-crossing ...
Page 27
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers Table 4. Volume Control Registers (continued) REGISTER BIT NAME 7 HPGAIN 5 HPRM 4 3 0x04 2 HPRVOL 1 0 DESCRIPTION Headphone Gain. Controls the headphone amplifier gain. ...
Page 28
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers Table 4. Volume Control Registers (continued) REGISTER BIT NAME 7 FFM 6 SPKM 5 4 0x05 3 SPKVOL DESCRIPTION Fixed-Frequency Oscillation. Removes spread spectrum ...
Page 29
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers Table 5. Distortion Limiter Register REGISTER BIT NAME 7 6 THDCLP 5 0x07 4 0 THDT1 Table 6. Power Management Register REGISTER BIT NAME Software Shutdown 0 = ...
Page 30
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers Table 7. Charge-Pump Control Register REGISTER BIT NAME 1 CPSEL 0x09 0 FIXED I C Serial Interface 2 The MAX97002 features C/SMBusK-compatible, 2-wire serial interface ...
Page 31
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers Early STOP Conditions The MAX97002 recognizes a STOP (P) condition at any point during data transmission except if the STOP condi- tion occurs in the same high pulse ...
Page 32
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers ACKNOWLEDGE FROM MAX97002 S SLAVE ADDRESS R/W Figure 10. Writing One Byte of Data to the MAX97002 ACKNOWLEDGE FROM MAX97002 ACKNOWLEDGE FROM MAX97002 S SLAVE ADDRESS 0 A ...
Page 33
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers ACKNOWLEDGE FROM MAX97002 ACKNOWLEDGE FROM MAX97002 S SLAVE ADDRESS 0 R/W Figure 12. Reading One Byte of Data from the MAX97002 ACKNOWLEDGE FROM MAX97002 ACKNOWLEDGE FROM MAX97002 S ...
Page 34
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers Additional RF immunity can also be obtained from rely- ing on the self-resonant frequency of capacitors as it exhibits the frequency response similar to a notch filter. Depending ...
Page 35
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers Bypass PVDD to GND with as little trace length as pos- sible. Connect OUTP and OUTN to the speaker using the shortest and widest traces possible. Reducing trace ...
Page 36
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers For the latest package outline information and land patterns www.maxim-ic.com/packages. package code indicates RoHS status only. Package drawings may show a different suffix character, but the ...
Page 37
... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 2010 Maxim Integrated Products © ...