參數(shù)資料
型號(hào)： 935261351112
廠商： NXP SEMICONDUCTORS
元件分類： 顏色信號(hào)轉(zhuǎn)換
英文描述： COLOR SIGNAL DECODER, PDIP32
封裝： 0.400 INCH, PLASTIC, SOT-232, SDIP-32
文件頁(yè)數(shù)： 15/47頁(yè)
文件大?。?/td> 390K
代理商： 935261351112
1996 Jan 17
22
Philips Semiconductors
Preliminary specication
I2C-bus controlled, alignment-free PAL/NTSC/SECAM
decoder/sync processor with PALplus helper demodulator
TDA9144
CHARACTERISTICS
VCC =8V; Tamb =25 °C; I2C-bus address 8A; unless otherwise specied.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply (pin 7)
VCC
supply voltage
7.2
8.0
8.8
V
ICC
supply current
50
60
70
mA
Ptot
total power dissipation
360
480
620
mW
ICC
low power supply current
12
16
22
mA
Input switch
Caution: the voltage on pin 25 must never exceed 5.5 V, if it does, the IC enters a test mode
Y/CVBS INPUT (PIN 26)
Vi(p-p)
input voltage (peak-to-peak value)
top sync-white
1.0
1.43
V
Zi
input impedance
60
k
Ci
input capacitance
5pF
Ii(bias)
input bias current
3.3
A
C INPUT (PIN 25)
Vi(p-p)
input burst voltage
(peak-to-peak value)
0.3
0.6
V
Zi
input impedance
60
k
Ci
input capacitance
5pF
CVBS OUTPUT (PIN 22); ONLY FOR ADDRESS 8A
Vo(p-p)
output voltage (peak-to-peak value)
top sync-white
1.0
V
Zo
output impedance
500
B
bandwidth at
3dB
CL =15pF
7
MHz
Vtsl
top-sync voltage level
2.2
2.8
3.4
V
Bias generator (pin 8)
VD(DEC)
digital supply voltage
4.8
5.0
5.2
V
Vdet(CC)
POR detection level for power supply
5.7
6.0
6.3
V
Vdet(DEC)
POR detection level for DEC pin
4.0
4.3
4.6
V
IL(DEC)
current load on digital supply
sum of pins 8, 11, 16, 17
2.0
mA
Subcarrier regeneration
GENERAL; note 1
CR
catching and holding range
reference crystal
±500
Hz
second crystal
±450
Hz
phase shift for 80% deviation of
catching range
5
deg
Zi
input impedance
reference crystal and second crystal
0.80
1.00
1.20
k
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