STV5730 データシートの表示（PDF） - STMicroelectronics
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STV5730 Datasheet PDF : 19 Pages
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STV5730
TYPICAL PAL/NTSC/SECAM APPLICATION
LUMA FILTER (see Note 1)
TRANSLUCENT MODE
+5V
2.2µF
1
CVBS IN
2
(se e note 4)
3
R1
68Ω
CVBS OUT
28
CHROMA TRAP
27
26
4
10µH
5
S
25
24
+5V
T
6
23
V
7
22
5
8
7
21
CSYNC
(IN or OUT)
Ext. 4 fsc
XTAL
x 4fsc
9
3
20
10
0
19
11
18
OSC IN
(see Note 2)
+5V
12
17
+5V
+5V
(see Note 3)
CHROMA BP FILTER
(see Note 1)
13
16
68Ω
14
15
+5V
TO MICRO
68Ω
+5V
68Ω
+5V
EXTERNAL
RGB
TEXT
INSERTION
(SCART)
68Ω
Digital Ground
Analog Ground
Notes : 1. Optional filter. For low cost applications, short circuit.
2. The 4fsc (17.734MHz PAL, 14.318MHz NTSC) crystal may be ommited if this signal is already available in a system.
3. External bias level can be set by resistor ratio as required. The level at pins LECHAR and LESCREEN must not exceed 3.0 Vdc.
4. Output impedance of the driving stage should be less than 300Ω.
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