CXA1812Q 查看數據表（PDF） - Sony Semiconductor
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CXA1812Q Datasheet PDF : 22 Pages
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CXA1812Q
Pin
Pin
Symbol
No.
voltage
2.5 V
13
YIN
(Sync tip)
14
VCC
4.75 V∗
Equivalent circuit
Same as for Pin 11.
—
∗Externally applied voltage
Description
Video output Y signal input.
Coupled by means of a capacitor; in
order to keep clamp error to a
minimum, keep the input impedance as
low as possible.
0.5Vp-p
2.5V
Power supply other than the 75 Ω
driver.
Video input chroma signal output.
15 COUT1 2.2 V
Same as for Pin 3.
143mVp-p
314mVp-p
16
VOB
0V
16
150
VCC Control input for black level insertion of
20µ
the Y signals input to Pins 23 (YIN1)
and 25 (YIN2). The chroma signals
input from Pins 27 and 29 are also
muted simultaneously.
Low (0 to 0.8 V) : normal operation
GND High (2 V to VCC) : insertion mode
1.8 V
17 YOUT1
(Sync tip)
VCC
Video input Y signal output.
90µ
17
0.5Vp-p
18
VOW
0V
180µ 250µ
GND
Same as for Pin 4.
—5—
1.8V
Control input for white level insertion of
the Y signals input to Pins 23 and 25.
The chroma signals input from Pins 27
and 29 are also muted simultaneously.
This pin takes precedence over the Pin
16 control signal.
Low (0 to 0.8V) : normal operation
High (2 V to Vcc) : insertion mode
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