AK4569 Datasheet, PDF (36/45 Pages) Asahi Kasei Microsystems – 20-Bit Stereo CODEC with IPGA & HP-AMP

ASAHI KASEI
[AK4569]
Addr Register Name
09H Output Select 1
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
0 MINM RINM LINM DACM
0
0
0
0
0
0
0
0
DACM: DAC Lch and Rch outputs are added to MOUT buffer amp. Summation gain is −6dB for each channel.
0: OFF (Default)
1: ON
LINM: Input signal to LIN pin is added to MOUT buffer amp.
0: OFF (Default)
1: ON
RINM: Input signal to RIN pin is added to MOUT buffer amp.
0: OFF (Default)
1: ON
MINM: Input signal to MIN pin is added to MOUT buffer amp.
0: OFF (Default)
1: ON
LIN pin
RIN pin
MIN pin
DACL
DACR
2R
LINM bit
2R
RINM bit
R
R
MINM bit
2R
2R
-
+
DACM bit
MOUT pin
Figure 23. Summation circuit for MOUT
Gain of summation is 0dB for MIN and −6dB for LIN, RIN, DACL and DACR.
MS0292-E-01
- 36 -
2005/07