AK4640_05 AKM [Asahi Kasei Microsystems], AK4640_05 Datasheet - Page 34
AK4640_05
Manufacturer Part Number
AK4640_05
Description
16-Bit ?? CODEC with MIC/HP/SPK-AMP
Manufacturer
AKM [Asahi Kasei Microsystems]
Datasheet
1.AK4640_05.pdf
(78 pages)
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ASAHI KASEI
AUX input is differential input. The AK4640 has a volume for AUX Input. GN3-0 bits control this Volume as shown in
Table 19. The switching noise occurs when GN3-0 bits are changed.
MS0273-E-02
AUX Input
AUXIN+
AUXIN−
GN3-0
Table 19. AUX Input Gain Setting
DH
FH
EH
7H
2H
1H
0H
:
:
“GN3-0”
Volume
Figure 23. AUX Input
- 34 -
GAIN (dB)
+24.0
+21.0
+18.0
−15.0
−18.0
−21.0
+0.0
:
:
“AUXAD”
“AUXL”
Default
Stereo Mixer
Mixer for ADC
[AK4640]
2005/04
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