TBA440P - Plessey

TBA440P VIDEO IF AMPLIFIER DEMODULATOR

APLESSEY W Semiconductors. TBA440N / TBA440P TBA440N/P VIDEO IF AMPLIFIER DEMODULATOR The TBA440 (TBA440N for NPN tuners, TBA440P for PNP tuners) comprises a high-gain regulated video IF amplifier, a controlled demodulator andtwo low-resistance video outputs w i t h positive and negative signal as well as the complete key control and delayed tuner control.

Features

Fig. 1 Pin connections Complete Video IF in one IC High Sensitivity Positive and Negative Video Signals Gated AGC and Delayed AGC for Tuner White and Black Levels Separately Adjustable Ability to Control PIN Diode Attenuators Fig. 2 TBA440 block diagram 141 TBA440N / TBA440P ELECTRICAL CHARACTERISTICS T«ft Conditioni (unless otherwise stated): T a m b = +25°C Vcc = +'3V Reference point is pin 3 (OV) Characteristic Value Pin Units Min. Typ. Max. Conditions Supply voltage, V c c Current consumption DC output voltage White level deviation a a v v , , , 2 / / av, av1 3 3 Resist.