AK4145 Datasheet, PDF (23/27 Pages) Asahi Kasei Microsystems – Digital BTSC Stereo Encoder

[AK4145]
SYSTEM DESIGN
The Figure 16 shows the system connection diagram. The evaluation board (AKD4145) is available for fast evaluation as
well as suggestions for peripheral circuitry.
Reset & Power down
Master Clock
fs
64fs
Audio Data
Micro
Co ntr ol le r
Digital Ground
Analog Video (CVBS)
4.7n
0.1u
1 FILT
2 PSN
3 CV27M
4 PDN _AK4145
5 MCLK
6 LRCK
7 BICK
8 SDTI
CA 16
A VDD 15
V COM 14
VS S 13
DVDD 12
TVDD 11
SCL 10
SDA 9
Am p
10u
0.1 u ⁺ _10u
0.1u ⁺ 10u
0.1 u
0.1 u
10k
RF
M odul ator
An alog
Supply 3.3V
Dig ital
Supply 1.8V
Dig ital
Supply 3.3V
Analog Ground
Figure 16. Typical Connection Diagram
MS0982-E-01
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2010/09