AK4223 Datasheet, PDF (23/27 Pages) Asahi Kasei Microsystems – 6:2 Audio Switch and 6:2 Video Switch

[AK4223]
SYSTEM DESIGN
Figure 22 shows a system connection diagram. An evaluation board [AKD4223] is available which demonstrates the
optimum layout, power supply arrangements and measurement results.
Digital Ground
Micro
Controller
Analog Ground
Audio in
Video In
0.1u
75
0.1u
75
0.1u
0.1u
75
0.1u
0.1u
75
0.1u
0.1u
75
0.1u
0.1u
75
0.1u
0.1u
1 VIN6
2 VGND5
3 VIN5
4 VGND4
5 VIN4
6 VGND3
7 VIN3
8 VGND2
9 VIN2
10 VGND1
11 VIN1
12 VR2
0.1u
LIN3 36
GND3 35
RIN3 34
LIN4 33
GND4 32
RIN4 31
LIN5 30
GND5 29
RIN5 28
LIN6 27
GND6 26
RIN6 25
0.47u
0.47u
0.47u
0.47u
0.47u
0.47u
0.47u
0.47u
0.47u
0.47u
0.47u
0.47u
Audio in
VSS2
10u
0.1u
10u
0.1u
10u
Video out
Analog 9V
Audio out
Figure 22. Typical Connection Diagram
VSS1
MS1251-E-00
23
2010/10