NTE1747
Integrated Circuit
TV Video Processing Circuit
Description:
The NTE1747 is an integrated circuit in a 28–Lead DIP type package designed for color TV video and
chrominance signal processing circuit.
Features:
D Including Video and Chrominance Signal Processing Circuit on a Single Chip, for Compact Set
Design
D Including Circuit For Compensating Skin Color
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +14.4V
Circuit Voltage, V2,3,10,11–12,19,20,28–9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V to +14.4V
Circuit Current, I25,26,27,28,29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40mA to 0mA
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1200mW
Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
40
Typ Max
Unit
Total Circuit Current
I
tot
V
CC
= 12V
54
67
mA
Demodulation Color Difference
Output Voltage
e
Rainbow 150mV , Contrast Max.,
Color Max.
4.6
5.3
6.0
V
p–p
o(max)
P–P
Demodulation Color Difference
Output Voltage
e
o(typ)
Rainbow 150mV , Contrast Max.,
Color Typ.
1.35 1.75 2.15
V
p–p
P–P
ACC Characteristics
Oscillation Frequency
ACC
Rainbow 15mV , ACC–eo Typ
0.65 0.88 1.05
times
P–P
f
Difference between Pin8 input invalid
signal & standard sample
–
–
±150
H
z
osc
f
Change with Supply Voltage Df /V
V
= 12V ±20%, for V = 12V
–
0
–
120
2.5
Hz
osc
osc CC
CC
CC
f
Change with Ambient
Temperature
Df /T
osc
T = –20° to +70°C, for T = +25°C
A
1.5
Hz/deg.
osc
A
A
Control Sensitivity
b
Change to Pin18 Df when V (8.6V) and 1.9
V (8.2V) are applied to Pin15.
2
2.5
3.2
Hz.mV
1