NTE7150 Просмотр технического описания (PDF) - NTE Electronics

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NTE7150

Integrated Circuit Video, Chroma, and Sync. Signal Processing Circuit for PAL/NTSC/SECAM System Color Televisions

NTE Electronics 

Recommended Operating Conditions (Cont’d):

Parameter

Test Conditions

Video Input Signal Level

Composite Video Signal Amplitude

Chroma Input Signal Level

PAL/NTSC Chroma Input

SECAM Chroma Input

Sync Input Signal Level

Composite Video Signal Amplitude

Text Input Signal Level

FBP Width

FBP Input Current

RGB Output Current

H. Out Output Current

VP Output Current

Min Typ Max Unit

0.7 1.0 1.2 VP–P

100 200 300 mVP–P

50 100 150 mVP–P

1.0 2.0 2.5 VP–P

0.5 0.7 1.0 VP–P

11 12 13 µs

0.3 1.0 1.3 mA

– 1.0 2.0 mA

– 3.0 5.0 mA

– 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

Terminal Voltage

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

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 5.1kΩ Resistor, Measure DC Output 3.1 3.5 3.9

V

Voltage at Trace Period)

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

Lower

Y Input Impedance

Measure dynamic range above the pedestal level 0.7 1.0 1.3 VP–P

Measure dynamic range below the pedestal level 0.0 0.3 0.5 VP–P

Measure input impedance of Pin60

100 130 –

kΩ

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 115 125 135 ns

between sharpness SW turned ON and OFF.

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