AKD4644-B Datasheet, PDF (6/40 Pages) Asahi Kasei Microsystems – Stereo CODEC with built-in MIC/HP/RCV amplifier

ASAHI KASEI
„ Analog Input/Output Circuits
(1) Input Circuits
1. MIN/LIN3/RIN3 Input Circuit
J2
BEEP
4
6
3
C14
1u
+
C26 ⁺
1u
JP17
LIN3
R15
20k
[AKD4644-B]
MIN/LIN3
RIN3
2. LINE1 Input Circuit
Figure 3. MIN/LIN3/RIN3 Input Circuit
R1
2.2k
R2
2.2k
J5
LIN1/RIN1
4
6
3
JP3
C3
RIN1
1u
C2
1u
JP2
LIN1
MPWR
RIN1
LIN1
Figure 4. LIN1/RIN1 Input Circuit
3. LINE2 Input Circuit
J3
LIN2/RIN2
4
6
3
C18
1u
C19
1u
<KM082800>
Figure 5. LIN2/RIN2 Input Circuit
-6-
LIN2
RIN2
2006 / 03