AK4679EG Datasheet, PDF (4/220 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with DSP and MIC/RCV/HP/SPK/LINE-AMP

[AK4679]
■ Block Diagram
Internal
MIC
External
MIC
MPWR2
MPWR1
LIN1/IN1+
RIN1/IN1−
LIN2/IN2-
RIN2/IN2+
LIN3/IN3+
RIN3/IN3−
LIN4
RIN4
Stereo Line Out
LOUT/LOP
ROUT/LON
Headphone Out
Receiver Out
Speaker Out
HPL
HPR
RCP
RCN
SPP
SPN
SVDD
PMMPMWPR2
MIC Power
Supply
PMMPMWPR1
MIC Power
Supply
VSS3
AVDD
VSS1 VCOM
MIC-Amp
PMADL
PMADR
To ADC Lch
To ADC Rch
PMLO
PMRO
PMHPL
From DAC Lch
From DAC Rch
PMHPR
PMRCV
To HP-Amp
From PVDD pin
PMSPK
Class-D SPK-Amp
To Headphone-Amp
Charge Pump
SPFIL
Figure 1. Analog Block Diagram
CNB CPB
PVDD
VEE
CPA
CNA
MS1402-E-06
-4-
2013/02