ak4569 AKM Semiconductor, Inc., ak4569 Datasheet - Page 35

• Manufacturer Part Number: ak4569
• Description: 20-bit Stereo Codec With Ipga & Hp-amp
• Manufacturer: AKM Semiconductor, Inc.

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