SAA7120H Datasheet, PDF (29/36 Pages) NXP Semiconductors – Digital video encoder

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10 µH
1 nF
digital
inputs and
outputs
DGND
+3.3 V digital
+3.3 V analog
10 pF
27.0 MHz
X1
10 pF
3rd harmonic
0.1 µF
DGND
AGND
0.1 µF
XTALI
XTALO ^{VDDD1, VDDD2, VDDD3}
VDDA4
35
34
6, 17, 39
use one capacitor
for each VDDD
36
DAC1
VDDA1
25
VDDA2
28
0.1 µF
0.1 µF
0.1 µF
AGND
AGND
AGND
VDDA3
31
2 Ω ⁽¹⁾ _{30 CVBS}
4.7 Ω
75 Ω
SAA7120H
SAA7121H
DAC2
DAC3
2 Ω ⁽¹⁾ _{27 Y}
2 Ω ⁽¹⁾ _{24 C}
10 Ω
75 Ω
10 Ω
75 Ω
5, 18, 38
VSSD1, VSSD2, VSSD3
DGND
32, 33
VSSA1, VSSA2
AGND
MBH786
UCVBS
1.23 V (p-p)⁽²⁾
AGND
UY
1.00 V (p-p)⁽²⁾
AGND
UC
0.89 V (p-p)⁽²⁾
AGND
(1) Typical value.
(2) For ¹⁰⁰⁄₁₀₀ colour bar.
Fig.11 Application circuit.