[AK4634]
10. Master / Slave Mode
11. Audio Interface Format: MSB First, 2’s compliment
• ADC: DSP Mode, 16bit MSB justified, I2S
• DAC: DSP Mode, 16bit MSB justified, 16bit LSB justified, I2S
12. Ta = - 30 ∼ 85°C
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: 29pin CSP, 2.5mm x 3.0mm, 0.5mm pitch
■ Block Diagram
AVDD
VSS1
VCOM
DVDD
VSS2
PMMP
MPI
PDN
MIC Power
Supply
I2C
PMADC
MIC/MICP
LIN/MICN
Mic
A/D
HPF
MIC-Amp
0dB /+3dB/+6dB/+10dB/+17dB/+20dB
+23dB+26dB / +29dB / +32dB
PMPFIL
BICK
FCK
HPF
LPF
Audio
I/F
SDTO
SDTI
PMDAC
&
PMAO
5 Band
EQ
PMAO
AOUT
VOL
(ALC)
Line Out
D/A
SVDD
VSS3
PMDAC
SMUTE DATT
MCKO
MCKI
PMPLL
PMSPK
PLL
SPP
SPN
VCOC
Class-D
SPK-AMP
PMSPK
Speaker
BEEP
Generator
CSN/SDA
CCLK/SCL
CDTIO
Control
Register
TET1
TET2
TET3
Figure 1. AK4634 Block Diagram
Rev. 0.5
2007/10
- 2 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
