AK4634EN Datasheet, PDF (2/94 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK -AMP

9. Serial P Interface: 3-wire, I²C Bus (Ver 1.0, 400kHz High Speed Mode)
10. Master / Slave Mode
11. Audio Interface Format: MSB First, 2’s complement
 ADC: DSP Mode, 16bit MSB justified, I²S
 DAC: DSP Mode, 16bit MSB justified, 16bit LSB justified, I²S
12. Ta = -30 ~ 85C (AK4634EN/ECB)
13. Power Supply
 Analog Supply (AVDD): 2.2  3.6V
 Digital Supply (DVDD): 1.6  3.6V
 Speaker Supply (SVDD): 2.2  4.0V
14. Package: 32pin QFN, 5mm x 5mm, 0.5mm pitch (AK4634EN)
29pin CSP, 2.5mm x 3.0mm, 0.5mm pitch (AK4634ECB)
[AK4634]
■ Block Diagram
MPI
MIC/MICP
Mic
LIN/MICN
Line Out
Speaker
AOUT
SVDD
VSS3
SPP
SPN
AVDD
PMMP
MIC Power
Supply
VSS1 VCOM
DVDD
PMADC
A/D
MIC-Amp
0dB /+3dB/+6dB/+10dB/+17dB/+20dB/+23dB
+26dB / +29dB / +32dB
HPF
PMAO
PMDAC
&
PMAO
D/A
PMPFIL
HPF
LPF
5 Band
EQ
VOL
(ALC)
PMSPK
Class-D
SPK-AMP
PMDAC
SMUTE DATT
PMSPK
BEEP
Generator
VSS2
Audio
I/F
PMPLL
PLL
Control
Register
PDN
I2C
BICK
FCK
SDTO
SDTI
MCKO
MCKI
VCOC
CSN/SDA
CCLK/SCL
CDTIO
TST1 TST2 TST3
Figure 1. AK4634 Block Diagram
MS0686-E-03
-2-
2014/10