STV8225 Datasheet | STMicroelectronics

AM SIF CIRCUIT . . . . SOUND AM SYNCHRONOUS DEMODULATOR AM/FM AUDIO SWITCH AV/TV AUDIO SWITCH MUTE INPUT DIP14 (Plastic Package) DESCRIPTION The STV8225 is intended for the demodulation of the AM sound of the L standard. Used as an add on to the STV8224 it permits to design a multistandard set with the needed switches for one SCART plug. PIN CONNECTIONS ORDER CODE : STV8225 IF INPUT AGC CAPACITOR GND LEVEL SWITCH FM SOUND INPUT MUTE INPUT MAIN SOUND OUTPUT 1 2 3 4 5 6 7 14 13 12 11 10 9 8 IF INPUT MEAN CAPACITOR VCC EXTERNAL SOUND INPUT SWITCHING INPUT EXTERNAL SOUND OUTPUT NOT TO BE CONNECTED February 1995 1/6 8225-01.EPS BLOCK DIAGRAM Mean Capacitor 13 Level VCC Switch 4 12 A B 7 SW1 5 9 SW2 11 6 8225-02.EPS Main Sound Output FM Sound Input External Sound Output External Sound Input 14 IF INPUT 1 LOGIC CONT 3 AGC Capacitor 10 Switching Input MUTE C A AGC 2 Mute...