AK4640 Datasheet, PDF (50/76 Pages) Asahi Kasei Microsystems – 16BIT CODEC WITH MIC /HP/SPK-AMPl

ASAHI KASEI
DAHS: DAC to Headphone-amp and MOUT2 Enable
0: OFF (Default)
1: ON
DAC signal is mixed to Headphone-amp and MOUT2 at the DAHS bit = “1”.
MICL bit
ATT
MIC IN
0dB/+20dB IPGA
DAHS bit
HPL
ATT+DAC
AUXIN+
AUXIN-
BEEPM IN
BEEPL IN
BEEPR IN
Volume
AUXL bit
BPMHP bit
HPR
BPSHP bit
Figure 41. Headphone-amp switch control
[AK4640]
HPL
MUTE
HPR
MUTE
MS0273-E-00
- 50 -
2004/03