ak4650 AKM Semiconductor, Inc., ak4650 Datasheet - Page 35

• Manufacturer Part Number: ak4650
• Description: 16bit 6 Codec With Mic/hp/spk-amp & Tsc
• Manufacturer: AKM Semiconductor, Inc.

L
AUX input is a differential input. The AK4650 has a volume for AUX Input. This Volume is controlled by GN4-0 bits as
shown in Table 28. The switching noise occurs when GN4-0 bits are changed.
MS0502-E-01
AUX Input
AUXIN+ pin
AUXIN pin
AUXMT
0
1
Table 28. AUX Input Gain Setting (x: Don’t care)
AK4650
GN4-0
1EH
00H
01H
02H
08H
1FH
AUXMT, GN4-0 bits
x
:
:
Figure 22. AUX Input
Volume
- 35 -
GAIN (dB)
MUTE
+12.0
+10.5
+9.0
+0.0
33.0
34.5
:
:
AUXAD bit
AUXL bit
1.5dB
STEP
ADC
HP, SP
(default)
[AK4650]
2007/04