AKD4633-A Datasheet, PDF (12/38 Pages) Asahi Kasei Microsystems – 16bit mono CODEC with MIC/SPK amplifier.

ASAHI KASEI
„ Analog Input / Output Circuits
(1) Input Circuits
a) MIC Input Circuit
J1
MIC-JACK
6
4
3
JP12
AVSS JACK MIC_SEL
J3
INT
MIC
RCA
2
3
1
MR-552LS
AVSS
Figure 3. MIC Input Circuit
(a-1) Analog signal is input to MIC pin via J1 connector.
JP12
MIC_SEL
RCA JACK
(a-2) Analog signal is input to MIC pin via J3 connector.
JP12
MIC_SEL
RCA JACK
b) BEEP Input Circuit
J4
BEEP
C26
1u
R19
2
2
1
3
1
20k
R18
MR-552LS
47k
AVSS
AVSS
Figure 4. BEEP Input Circuit
[AKD4633-A]
BEEP
<KM079406>
- 12 -
2007/04