1050

NTE1050
Integrated Circuit
Color TV Chroma Demodulator
Description:
The NTE1050 is a monolithic silicon integrated circuit which demodulates the chroma signal contained in a color television video signal and provides the R, G, and B signals at the outputs directly.
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28V
Load Resistance, RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3kΩ Min.
Power Dissipation (TA = +75°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 550mW
eA,eB, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Vp−p
Choma Input Signal, eC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Vp−p
eY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −5Vp−p
ViBLANK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Vp−p
Operating Temperature Range, Topt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +125°C
Electrical Characteristics: (TA = 25°C, VCC = 24V, RL = 3.3kΩ, unless otherwise specified)
Parameter
Supply Current
Symbol
Test Conditions
Typ
Max
Unit
ICC1
RL = 1MΩ
5
9
14
mA
ICC2
RL = 3.3kΩ
16
22
27
mA
−
0
±4
mV/°C
−
0.4
0.7
Vp−p
0.8
1.5
3.0
V
ΘDC1,2,4 −20°C ∼ +75°C
Chroma Input Signal
Min
eC
∆VB
EB−Y = 5Vp−p
∆VB = V4 −V4B
Pin Connection Diagram
VCC
G−Y Output
1
14
R−Y Output
2
13
Reference Signal Input
Luminance Input
3
12
Reference Signal Input
B−Y Output
4
11
N.C.
N.C.
5
10
Chroma Input
Blanking Input
6
9
Chroma Input
GND
7
8
Chroma Input
.164 (4.2)
.252 (6.4)
2.00
(5.08)
Max
.300
(7.62)
.764 (19.4) Max
.100 (2.54)
.020
(.508)
.100 (2.54)