ak4538 AKM Semiconductor, Inc., ak4538 Datasheet - Page 31

• Manufacturer Part Number: ak4538
• Description: 16bit ?? Codec With Mic/hp/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
n AUX Input
AUX input is differential input. The AK4538 has a volume for AUX Input. This Volume is controlled by GN3-0 bits as
shown in Table 22.The AK4538 register control for GN3-0 does not offer any de-clicking function at volume setting
change.
MS0198-E-01
AUXIN+
AUXIN-
GN3-0
Table 22. AUX Input Gain Setting
DH
FH
EH
7H
2H
1H
0H
:
:
“GN3-0”
Volume
Figure 24. AUX Input
- 31 -
GAIN (dB)
+24.0
+21.0
+18.0
-15.0
-18.0
-21.0
+0.0
:
:
“AUXAD”
“AUXL”
Default
Stereo Mixer
Mixer for ADC
[AK4538]
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