ak4651 AKM Semiconductor, Inc., ak4651 Datasheet - Page 33

• Manufacturer Part Number: ak4651
• Description: 16bit ?? Codec With Mic/hp/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
AUX input is a differential input. The AK4651 has a volume for AUX Input. This Volume is controlled by GN3-0 bits as
shown in Table 28. The switching noise occurs when GN3-0 bits are changed.
MS0503-E-00
AUX Input
AUXIN+ pin
AUXIN− pin
AUXMT
0
1
Table 28. AUX Input Gain Setting (x: Don’t care)
AK4651
GN4-0
1EH
1FH
00H
01H
02H
08H
AUXMT, GN4-0 bits
x
:
:
Figure 21. AUX Input
Volume
- 33 -
GAIN (dB)
MUTE
+12.0
+10.5
−33.0
−34.5
+9.0
+0.0
:
:
AUXAD bit
AUXL bit
STEP
1.5dB
ADC
HP, SP
Default
[AK4651]
2006/04