AK4561 Datasheet, PDF (26/48 Pages) Asahi Kasei Microsystems – 16bit CODEC with built-in ALC and MIC/HP-Amp

ASAHI KASEI
AKM CONFIDENTIAL
[AK4561]
Input PGA Control
Addr
Register Name
D7
D6
D5
D4
D3
D2
08H Input PGA Control
0 IPGA6
RESET
0
0
IPGA6-0: Input Analog PGA; 97Levels
IPGA5
1
IPGA4
0
IPGA3
1
IPGA2
1
DATA
GAIN(dB)
MIC
LINE
STEP
LEVEL
60H
+26.0
+0.0
5FH
+25.5
-0.5
5EH
+25.0
-1.0
•
•
•
RESET
2CH
+0.0
-26.0
0.5dB
73
2BH
-0.5
-26.5
•
•
•
19H
-9.5
-35.5
18H
-10.0
-36.0
17H
-11.0
-37.0
16H
-12.0
-38.0
•
•
•
1dB
8
11H
-17.0
-43.0
10H
-18.0
-44.0
0FH
-20.0
-46.0
0EH
-22.0
-48.0
•
•
•
2dB
12
05H
-40.0
-66.0
04H
-42.0
-68.0
03H
-46.0
-72.0
02H
-50.0
-76.0
4dB
3
01H
-54.0
-80.0
00H
MUTE MUTE
1
Table 15. Input Gain Setting
D1
IPGA1
0
D0
IPGA0
0
Rev. 0.9
- 26 -
2000/09