AK4538 Datasheet, PDF (47/70 Pages) Asahi Kasei Microsystems – 16Bit DS CODEC with MIC/HP/SPK-AMP

ASAHI KASEI
[AK4538]
PSLO: Select LINEOUT
0: Power Save Mode (Default)
1: ON
When the PSLO bit = “0”, Stereo Line Output is in power save mode and the LOUT+ and ROUT- pins output
0.45 x AVDD voltage.
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”.
MIC IN
0dB/+20dB
IPGA
ATT+DAC
“MICL”
ATT
“DAHS”
HPL
AUXIN+
AUXIN-
BEEPM IN
BEEPL IN
BEEPR IN
Volume
“AUXL”
“BPMHP”
“BPSHP”
HPR
Figure 45. Headphone-amp switch control
HPL
MUTE
HPR
MUTE
MS0198-E-01
- 47 -
2003/5