Rolsen TEA5114A free download

File name TEA5114A.pdf

TEA5114A RGB SWITCHING CIRCUIT . . 25MHz BANDWIDTH . CROSSTALK : 55dB SHORT CIRCUIT TO GROUND OR VCC PRO- . . TECTED ANTI SATURATION GAIN CHANGING VIDEO SWITCHING DIP16 (Plastic Package) ORDER CODE : TEA5114A PIN CONNECTIONS DESCRIPTION This integrated circuit provides RGB switching al- R1 INPUT 1 16 R OUTPUT lowing connections between peri TV plug, internal RGB generator and video processor in a TV set. GND 2 15 FB R INPUT The input signal black level is tied to the same ref- R 2 INPUT 3 14 V CC erence voltage on each input in order to have no dif- G1 INPUT 4 13 G OUTPUT ferential voltage when switching two RGB genera- G2 INPUT 5 12 FB G INPUT tors. B 1 INPUT 6 11 B OUTPUT An AC output signal higher than 2 Vpp makes gain going slowly down to 0dB to protect the TV set video B 2 INPUT 7 10 FB 2 + FB B INPUT amplifier from saturation. 5114A-01.EPS FB 1 INPUT 8 9 FB OUTPUT Fast blanking output is a logicial OR between FB1 (Pin 8) and FB2 (Pin 10). BLOCK DIAGRAM 16 15 14 13 12 11 10 9 G=2 G=2 G=2 OR VREF TEA5114A 5114A-02.EPS 1 2 3 4 5 6 7 8 May 1996 1/4 TEA5114A ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VCC Supply Voltage 18 V Tj Junction Temperature