AK4671_10 Datasheet, PDF (91/166 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/RCV/HP-AMP

[AK4671]
<Analog Mixing Circuit for LOUT2/ROUT2>
DACHL, DACHR, LOM2, LINH1, RINH1, LINH2, RINH2, LINH3, RINH3, LINH4, RINH4, LOOPHL, LOOPHR and
LOOPM2 bits control each path switch.
LIN1 pin
LIN2 pin
LIN3 pin
LIN4 pin
+6/0/−6dB
+6/0/−6dB
+6/0/−6dB
+6/0/−6dB
MIC-Amp Lch
+6/0/−6dB
LINH1 bit
LINH2 bit
LINH3 bit
LINH4 bit
M
LOOPHL bit I
LOUT2 pin
X HPG3-0 bits
LOOPHR bit x LOOPM2 bit
DATT
Stereo DAC Lch
0dB
DACHL bit
DACHR bit x LOM2 bit
RIN1 pin
RIN2 pin
RIN3 pin
RIN4 pin
+6/0/−6dB
+6/0/−6dB
+6/0/−6dB
+6/0/−6dB
MIC-Amp Rch
+6/0/−6dB
RINH1 bit
RINH2 bit
RINH3 bit
RINH4 bit
M
LOOPHL bit x LOOPM2 bit I
ROUT2 pin
LOOPHR bit
X HPG3-0 bits
DACHL bit x LOM2 bit
DATT
Stereo DAC Rch
0dB
DACHR bit
Figure 73. LOUT2/ROUT2 Mixing Circuit (MDIF1=MDIF2=MDIF3=MDIF4 bits = “0”)
MS0666-E-02
- 91 -
2010/06