AK4569 Datasheet, PDF (35/45 Pages) Asahi Kasei Microsystems – 20-Bit Stereo CODEC with IPGA & HP-AMP

ASAHI KASEI
[AK4569]
Addr Register Name
08H Output Select 0
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
0
MINR RINR DACR MINL LINL DACL
0
0
0
0
0
0
0
0
DACL: DAC Lch output signal is added to Lch of headphone amp.
0: OFF (Default)
1: ON
LINL: Input signal to LIN pin is added to Lch of headphone amp.
0: OFF (Default)
1: ON
MINL: Input signal to MIN pin is added to Lch of headphone amp.
0: OFF (Default)
1: ON
DACR: DAC Rch output signal is added to Rch of headphone amp.
0: OFF (Default)
1: ON
RINR: Input signal to RIN pin is added to Rch of headphone amp.
0: OFF (Default)
1: ON
MINR: Input signal to MIN pin is added to Rch of headphone amp.
0: OFF (Default)
1: ON
LIN/RIN pin
MIN pin
DACL/DACR
R
LINL/RINR bit
R
R
MINL/MINR bit
R
DACL/DACR bit
-
+
HP-Amp
Figure 22. Summation circuit for headphone amp output
At HPM=0, gain of summation is 0dB for all input path.
HPL/HPR pin
MS0292-E-01
- 35 -
2005/07