AK4640_05 AKM [Asahi Kasei Microsystems], AK4640_05 Datasheet - Page 51

• Manufacturer Part Number: AK4640_05
• Description: 16-Bit ?? CODEC with MIC/HP/SPK-AMP
• Manufacturer: AKM [Asahi Kasei Microsystems]

ASAHI KASEI
MS0273-E-02
DAHS:
0: OFF (Default)
1: ON
BEEPL IN
BEEPR IN
AUXIN+
AUXIN-
BEEPM IN
DAC signal is mixed to Headphone-amp and MOUT2 at the DAHS bit = “1”.
MIC IN
DAC to Headphone-amp and MOUT2 Enable
0dB/+20dB
ATT+DAC
Volume
IPGA
Figure 43. Headphone-amp switch control
ATT
DAHS bit
BPMHP bit
BPSHP bit
MICL bit
AUXL bit
- 51 -
HPR
HPL
MUTE
MUTE
HPR
HPL
[AK4640]
2005/04