AKD4220-A Datasheet, PDF (6/34 Pages) Asahi Kasei Microsystems – various 7:3 audio and 6:3 video switches.

ASAHI KASEI
„ Input / Output circuit & Set-up jumper pin for Input / Output circuits
(1) Audio Input Circuit
GND1, LIN+1, RIN+1∼ GND7, LIN+7, RIN+7 Input circuits
J1
GND1
2
1
3
4
5
R7
(open)
C18
0.47u
R73
(short)
GND1
J4
LIN+1
2
1
3
4
5
R10
(open)
C21
0.47u
R74
(short)
LIN+1
J7
RIN+1
2
1
3
4
5
R13
(open)
C24
0.47u
R75
(short)
RIN+1
Figure 3. GND, LIN+, RIN+ Input circuit
(2) Audio Output Circuit
LOUT1/ROUT1 ∼ LOUT3/ROUT3 Output circuits
LOUT1
C39
R28
J22
10u
300 ^LOUT1
1
2
3
4
R94
5
22k
ROUT1
C40
R29
J23
10u
300 ^ROUT1
1
2
3
4
R95
5
22k
[AKD4220-A]
Figure 4. LOUT/ROUT Output circuit
<KM083400>
-6-
2006/06