AKD4671-B Datasheet, PDF (23/51 Pages) Asahi Kasei Microsystems – stereo CODEC with built-in Microphone-Amplifier

„ Analog Input/Output Circuits
(1) Input Circuits
(1-1) LIN1/RIN1, LIN2/RIN2, LIN3/RIN3 and LIN4/RIN4 Input Circuit
J2
1
2
3
LIN1/RIN1
J5
LIN
2
1
3
4
5
J7
RIN
2
1
3
4
5
C50
R39
1u
(short)
JP23
LIN2
LIN3
LIN4
LIN_SEL
C53
R42
1u
(short)
JP25
RIN2
RIN3
RIN4
RIN_SEL
LIN1
RIN1
LIN2
LIN3
LIN4
RIN2
RIN3
RIN4
[AKD4671-B]
Figure 3. LIN1/RIN1, LIN2/RIN2, LIN3/RIN3 and LIN4/RIN4 Input Circuit
LIN2/RIN2, LIN3/RIN3 and LIN4/RIN4 share J5/J7.
JP23 (LIN_SEL) and JP25 (RIN_SEL) select each path.
(1-2) SAIN1, SAIN2 and SAIN3 Input Circuit
J9
SAIN
2
1
3
4
5
J11
SAIN3
2
1
3
4
5
JP28
SAIN1
SAIN2
SAIN3
SAIN_SEL
SAIN1
SAIN2
SAIN3
Figure 4. SAIN1, SAIN2 and SAIN3 Input Circuit
SAIN1, SAIN2 and SAIN3 share J9.
JP28 (SAIN_SEL) select each path.
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2007 / 05