AK4951EG Datasheet, PDF (4/30 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/HP/SPK-AMP

[AK4951]
[AK4951EN]
Internal
MIC
External
MIC
Line Input
BEEP
Mono
Speaker
Cap-less
Headphone
4. Block Diagram
VCOM VSS1 REGFIL AVDD
DVDD TVDD VSS2
MPWR2
MPWR1
LIN1
RIN1
LIN2
RIN2
LIN3
SVDD
VSS3
RIN3/ BEEP
PMMP
MIC Power
Supply
AVDD
Analog Block
PMADL
MIC-Amp
+30~0dB
PMADR
PMADL or PMADR
ADC HPF
PMBP
LDO
2.3V
Digital Core,
Headphone-Amp
MIC-Power,
Charge-pump
Control
Register
PMPFIL
MIC Sensitivity
Correction
Auto HPF
HPF2
LPF
Stereo Emphasis
4-band EQ
ALC
1 Band EQ
Audio
I/F
SPP/LOUT
SPN/ROUT
PMSL
PMDAC
DAC
DVOL
SMUTE
Mono/
Stereo
PFVOL
HPL
PMHPL
HPR
PMHPR
PMOSC
Oscillator
PMHPL or PMHPR
Charge Pump
AVDD
PMPLL
PLL
PDN
SDA
SCL
BICK
LRCK
SDTO
SDTI
MCKI
VEE CN CP
Figure 1. Block Diagram (AK4951EN)
014004561-E-00-PB
-4-
2014/08