参数资料
型号: TC90A53N
元件分类: 信号分离
英文描述: Y/C SEPARATOR IC, PDIP28
封装: 0.400 INCH, 1.78 MM PITCH, PLASTIC, SDIP-28
文件页数: 12/17页
文件大小: 474K
代理商: TC90A53N
TC90A53N/F
2001-02-08 4/17
PIN FUNCTION
PIN
No.
PIN
NAME
FUNCTION
I / O
INTERFACE
1
VREFL
ADC bias pin. Sets lower limit of range D
for ADC. Fixed internally to 1.5 V (typ.).
Connect 0.01
F capacitor between this
pin and GND.
2
VSS1
ADC GND
3
VDD1
ADC power supply (
+5 V)
4
VREFH
ADC bias pin. Sets upper limit of range D
for ADC. Fixed internally to 3.5 V (typ.).
Connect 0.01
F capacitor between this
pin and GND.
5
ADIN
Composite video signal input pin.
I
6
BIAS1
ADC bias pin. Fixed internally to 1.3 V
(typ.). Connect 0.01
F capacitor between
this pin and GND.
7
CLAMPC
External filter used for Sync tip clamping
the input composite video signal. Connect
510 k
and 4700 pF between this pin and
GND.
8
TEST
Test pin. Connect GND.
9
1 / 2 VDD
Line-memory bias. Supply 1 / 2 VDD by
dividing digital power supply using a
resistor. Connect 0.01
F capacitor
between this pin and GND.
I
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