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NTE7150 Datasheet(PDF) 2 Page - NTE Electronics

Part No. NTE7150
Description  Integrated Circuit Video, Chroma, and Sync. Signal Processing Circuit for PAL/NTSC/SECAM System Color Televisions
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Maker  NTE [NTE Electronics]
Homepage  http://www.nteinc.com
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Recommended Operating Conditions (Cont’d):
Parameter
Test Conditions
Min
Typ
Max
Unit
Video Input Signal Level
Composite Video Signal Amplitude
0.7
1.0
1.2
VP–P
Chroma Input Signal Level
PAL/NTSC Chroma Input
100
200
300
mVP–P
SECAM Chroma Input
50
100
150
mVP–P
Sync Input Signal Level
Composite Video Signal Amplitude
1.0
2.0
2.5
VP–P
Text Input Signal Level
0.5
0.7
1.0
VP–P
FBP Width
11
12
13
µs
FBP Input Current
0.3
1.0
1.3
mA
RGB Output Current
1.0
2.0
mA
H. Out Output Current
3.0
5.0
mA
VP Output Current
1.0
2.0
mA
DC Characteristics: VCC = 9V, Logic VCC = 3.3V, TA = +25°C unless otherwise specified)
Parameter
Test Conditions
Min
Typ
Max
Unit
Supply Current
Logic VCC (Pin4) = 3.3V
10
20
28
mA
Video/Chroma VCC Turned OFF
15
30
40
mA
H. VCC (Pin5) = 9V
10
20
28
mA
Video/Chroma VCC Turned OFF
15
30
40
mA
TEXT Section VCC (Pin19) = 9V
15
31
44
mA
SECAM Section VCC (Pin36) = 9V
10
18
25
mA
Chroma Section VCC (Pin50) = 9V
12
27
38
mA
Video Section VCC (Pin59) = 9V
17
37
52
mA
Terminal Voltage
Pin2
7.2
7.4
7.8
V
Pin16, Pin17, and Pin18 (In Mute Mode)
1.7
2.0
2.3
V
Pin22, Pin23, and Pin24 (Uni–Color DAC center)
3.3
3.8
4.2
V
Pin63 (Apply 5V with 5.1k
Ω Resistor, Measure DC Output
Voltage at Trace Period)
3.1
3.5
3.9
V
AC Characteristics: VCC = 9V, Logic VCC = 3.3V, TA = +25°C unless otherwise specified)
Parameter
Test Conditions
Min
Typ
Max
Unit
Video Section
Y Input Dynamic Range
Upper
Measure dynamic range above the pedestal level
0.7
1.0
1.3
VP–P
Lower
Measure dynamic range below the pedestal level
0.0
0.3
0.5
VP–P
Y Input Impedance
Measure input impedance of Pin60
100
130
k
Y Input Clamp Voltage
Measure DC voltage at Pin60 when Y input
connected to AC GND.
2.5
2.8
3.1
V
Maximum Y Gain
15.0
17.5
23.0
dB
Y Frequency Bandwidth
8
10
15
MHz
Black Stretching Amp Maximum Gain
1.3
1.4
1.5
Black Stretching Start Point
40
50
65
IRE
DC Restoration Ratio
97
100
103
%
Black Stretching Start Voltage
3.2
3.3
3.6
V
Delay Time of Sharpness Circuit
Measure difference in Y output signal delay time
between sharpness SW turned ON and OFF.
115
125
135
ns



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