AK4709 Datasheet, PDF (36/42 Pages) Asahi Kasei Microsystems – Low Power AV SCART Switch

[AK4709]
SYSTEM DESIGN
Figure 20 shows the system connection diagram example. The evaluation board AKD4709 demonstrates application
circuits, the optimum layout, power supply arrangements and measurement results.
Video 3.3V
75
75
75
1
4.7u0.1u 4.7u0.1u
VCRC
2 VSS3
75
+
+
3 TVVOUT
4 VVD2
75
5 TVRC
75
6 TVG
75
7 TVB
75 0.1u
75 0.1u
75 0.1u
75 0.1u
8 VVD1
9 ENCB
10 ENCG
11 ENCRC
12 ENCC
4.7u ⁺
0.1u
1.0uF
1.0uF
0.47u
300
AK4709
AINL- ³⁶
AINR+ 35
AINR- 34
TVOUTL ³³
TVOUTR 32
VCROUTL 31
VCROUTR 30
TVINL 29
TVINR 28
VCRINL 27
VCRINR 26
VD1 25
0.1u
300
0.47u
300
0.47u
300
0.47u
300
300
300
300
300
0.47u
300
0.47u
300
0.47u
300
0.47u
Audio 3.3V
+
4.7u
0.1u
+
1u
Digital
Ground
Analog Ground
Figure 20. Typical Connection Diagram
MS1319-E-00
- 36 -
2011/07