LINEAR INTEGRATED CIRCUITS
TV SIGNAL IDENTIFICATION CIRCUIT AND AFC INTERFACE
The TDA4431 and the TDA4433 are monolithi...
LINEAR INTEGRATED CIRCUITS
TV SIGNAL IDENTIFICATION CIRCUIT AND AFC INTERFACE
The TDA4431 and the TDA4433 are monolithic integrated circuits in a 14 lead dual-in-line plastic package. They integrate the following functions:
- TV signal identificator-Sync.separator - Threshold detector - Digital Interface -
Voltage regulator
They are intended for use in Electronic Program Memory tuning systems. the TDA4431 in conjunction with M193B1, while the TDA4433 with M293B1. The circuits features are:
Identification of true TV stations only. Low impedance output of the identification signal. Digital control signal for automatic search and AFC operation. Thermal compensation of the
voltage regulator.
ABSOLUTE MAXIMUM RATINGS
Vs
V3
V13 12 16 ; 12 110 III
112
Ptot
Tstg' Tj
Supply
voltage (pin 1)
Voltage at pin 3
Voltage at pin 13 Pin 2 current (TDA4431 ) Pin 6 and pin 2 current (TDA4433) Pin 10 current Pin 11 current Pin 12 current Total power dissipation at Tamb ,,;; 70°C Storage and junction t...
