參數(shù)資料
型號(hào): AN5637
廠商: PANASONIC CORP
元件分類: 顏色信號(hào)轉(zhuǎn)換
英文描述: SECAM decoder IC
中文描述: COLOR SIGNAL DECODER, PDIP16
封裝: 0.300 INCH, PLASTIC, DIP-16
文件頁數(shù): 8/11頁
文件大?。?/td> 102K
代理商: AN5637
8
AN5637
ICs for TV
Pin No.
Equivalent circuit
Description
Voltage
1
Reference frequency signal/
Ident input Pin :
Input and output pin for interfacing
with AN5192/95.
The circuit becomes non-SECAM mode
if DC voltage of Pin1 becomes 3 V
or less.
Current of 175
μ
A sinks into Pin1
in SECAM.
AC
+
DC
DC
1.1 V or 4.4 V
AC
350 mV[p-p]
or 0
2
Bell filter output monitor pin
AC
+
DC
DC
4.3 V
AC
200 mV[p-p]
3
Power supply pin
DC : 9 V
4
Black level adjustment voltage input pin :
Monitoring
(B
Y) Out (Pin10),
adjust Pin4 voltage so that pedestal
step difference becomes 0.
(using external volume)
Pin4 voltage is generated by resistor
dividing Pin5 voltage so as not to be
affected by V
CC
and temperature
fluctuation.
DC
1.45 V to 2.75 V
5
Black level adjustment reference voltage
output pin
DC : 3.2V
I
Terminal Equivalent Circuits
200
20k
1.5k
1.5k
150
μ
A
0/175
μ
A
0/175
μ
A
100
μ
A 200
μ
A
1
V
CC
SECAM
/Non-SECAM
discrimination
To AN5192/95
3.7V
Mode
changeover
200
V
CC
2
200
μ
A 200
μ
A
4
5
15k
10k
6.8k
0.01
μ
F
200
μ
A
100
μ
A
V
CC
Black level
adjustment
V
CC
3.2V
5
100
μ
A 100
μ
A 400
μ
A
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