AK4523VF Asahi Kasei Microsystems, AK4523VF Datasheet
AK4523VF
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AK4523VF Summary of contents
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ASAHI KASEI The AK4523 has a dynamic range of 100dB and is well-suited middle-range MD, surround system, musical instruments and car audio. Signal inputs and outputs are single-ended. The DAC outputs are analog filtered to remove out of band noise. ...
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... ASAHI KASEI n Ordering Guide AK4523VF AKD4523 n Pin Layout VREFH 1 AINR+ 2 AINR- 3 AINL+ 4 AINL AGND DIF0 10 DIF1 11 LRCK 12 SCLK 13 SDTI 14 n Difference between AK4523 and AK4522 AK4523 Digital Power Supply 3.0~5.5V Ambient Operating -40~85°C Package 28pin VSOP M0021-E-03 -40 ~ +85°C 28pin VSOP (0 ...
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ASAHI KASEI No. Pin Name I/O 1 VREFH I Positive Voltage Reference Input Pin, VA Used as a positive voltage reference by ADC & DAC. VREFH should be connected externally to filtered VA. 2 AINR+ I Rch Analog Positive Input ...
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ASAHI KASEI (AGND, DGND=0V; Note 1) Parameter Power Supplies Analog Digital |AGND-DGND| Input Current, Any Pin Except Supplies Analog Input Voltage Digital Input Voltage Ambient Temperature (power applied) Storage Temperature Note:1. All voltages with respect to ground. 2. AGND and ...
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ASAHI KASEI (Ta=25°C; VA, VD=5V; AGND=DGND=0V; VREFH=VA; fs=44.1kHz; SCLK=64fs; Signal Frequency =1kHz; 20bit Data; Measurement Frequency=10Hz ~ 20kHz; unless otherwise specified) Parameter ADC Analog Input Characteristics: Differential Inputs; Analog Source Impedance=470W Resolution S/(N+D) (-0.5dB Input) DR (-60dB Input, A-Weighted) S/N ...
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ASAHI KASEI (Ta=25°C; VA=4.5 ~ 5.5V, VD=3.0 ~ 5.5V; DEM0=”1”, DEM1=”0”) Parameter ADC Digital Filter (Decimation LPF): Passband (Note 11) Stopband Passband Ripple Stopband Attenuation Group Delay Group Delay Distortion ADC Digital Filter (HPF): Frequency Response (Note 5) -3dB DAC ...
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ASAHI KASEI (Ta=25°C; VA=4.5 ~ 5.5V, VD=3.0 ~ 5.5V) Parameter High-Level Input Voltage (Except CMODE pin) Low-Level Input Voltage (Except CMODE pin) High-Level Input Voltage (CMODE pin) Low-Level Input Voltage (CMODE pin) Hight-Level Output Voltage (Iout=-80µA) Low-Level Output Voltage (Iout=80µA) ...
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ASAHI KASEI (Ta=25°C; VA=4.5 ~ 5.5V; VD=3.0 ~ 5.5V; C Parameter Master Clock Timing 256fs: Pulse Width Low Pulse Width High 384fs: Pulse Width Low Pulse Width High 512fs: Pulse Width Low Pulse Width High LRCK Timing Frequency Duty Cycle ...
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ASAHI KASEI n Timing Diagram LRCK tSLR SCLK tLRM SDTO tSDS SDTI PD SDTO M0021-E-03 tSLKL tSLKH tLRS tSSD tSDH Serial Interface Timing tPD tPDV Reset & Initialize Timing - 9 - [AK4523] 50%VD 50%VD 50%VD 50%VD 70%VD 30%VD 1999/12 ...
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ASAHI KASEI n System Clock The master clock (MCLK) can be external clock input to the MCKI pin. CMODE is used to select either MCLK=256fs, 384fs or 512fs. The relationship between the MCLK and the desired sample rate is defined ...
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ASAHI KASEI n Audio Serial Interface Format Data is shifted in/out the SDTI/SDTO pins using SCLK and LRCK inputs. Four serial data modes selected by the DIF0 and DIF1 pins are supported as shown in Table 2. In all modes ...
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ASAHI KASEI LRCK( SCLK(i:64fs) SDTO( SDTI( 19:MSB, 0:LSB Lch Data LRCK( SCLK(i:32fs) SDTO( SDTI(i) 0 ...
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ASAHI KASEI n De-emphasis Filter The DAC of AK4523 includes the digital de-emphasis filter (tc=50/15µs) by IIR filter. This filter corresponds to three frequencies (32kHz, 44.1kHz and 48kHz). The de-emphasis filter selected by DEM0 and DEM1 is enabled for input ...
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ASAHI KASEI n Power-Down & Reset The ADC and DAC of AK4523 are placed in the power-down mode by bringing a power down pin, PD “L” and each digital filter is also reset at the same time.This reset should always ...
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ASAHI KASEI Figure 7 shows the system connection diagrams. This is an example which analog signal is input by single ended circuit. In case of differential input, please refer to Figure 10. An evaluation board is available which demonstrates application ...
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ASAHI KASEI A nalog G rou nd Digital Ground 5V analog VA 5V analog VA M0021-E- INR INR INL ...
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ASAHI KASEI 1. Grounding and Power Supply Decoupling The AK4523 requires careful attention to power supply and grounding arrangements. VA and VD are usually supplied from analog supply in system. Alternatively if VA and VD are supplied separately, the power ...
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ASAHI KASEI 4. Analog Outputs The analog outputs are also single-ended and centered around the VCOM voltage. The input signal range scales with the supply voltage and nominally 0.58 x VREFH Vpp. The DAC input data format is 2’s complement. ...
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ASAHI KASEI 28pin VSOP (Unit: mm) *9.8±0.2 0.675 28 1 0.22 ± 0.1 Seating Plane NOTE: Dimension "*" does not include mold flash Package & Lead frame material Package molding compound: Lead frame material: Lead frame ...
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... AKM harmless from any and all claims arising from the use of said product in the absence of such notification. M0021-E-03 MARKING AKM AK4523VF XXXBYYYYC XXXBYYYYC: data code identifier Lot number (X: Digit number, B: Alpha character) Assembly data (Y: Digit number, C: Alpha character) ...