AK4950 Datasheet, PDF (3/106 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/SPK/Cap-less VIDEO-AMP & mini DSP

[AK4950]
■ Block Diagram
Internal
MIC
External
MIC
Line Out
Speaker
Composite
Video Out
MPWR
LIN1
RIN1
LIN2
RIN2
LOUT
ROUT/MIN
AVDD VSS1 REGFILA REGFILB VCOM
TVDD VSS2
PMMP
MIC Power
Supply
PMADL
LDO: 2.3V
LDO: 1.8V
MIC-Amp
PMADR
PMADL or PMADR
A/D HPF
PMLO
PMBP
Analog Block
Digital Block
MIC Power, SPK-Amp, LINE/Video-out-Amp
PMPFIL
MIC Sensitivity
Compensation
HPF2
LPF
Stereo
Separation
3 Band EQ
ALC
1 Band EQ
Audio
I/F
VSS3
SPP
SPN
PMSPK
SPK-amp
PMDAC
Mono/
D/A DEM Stereo
VOUT
PMV
LPF
+6/9/12/16.5dB
CLAMP
PMCP
Charge CLK
Pump GEN
VIN
VSS4 PVEE
DVOL
SMUTE
PMPLL
PLL
Control
Register
PDN
BICK
LRCK
SDTO
SDTI
MCKO
MCKI
CSN/SDA
CCLK/SCL
CDTIO/CAD0
I2C
Total: 32pin
Figure 1. Block Diagram
MS1320-E-00
-3-
2011/10