TDA7222A Overview
Description
TDA7222Aand TDA7222AD are AM/FM chip tuner ICs, which are designed for portable radios and 3V headphone radios. TDA7222A (SDIP24) SO28 (Plastic Micropackage) ORDER CODE : TDA7222AD TDA7222AD (SO28) FM RF IN GND1 FM MIX AM MIX AGC VCC2 AM IF IN FM IF IN GND2 TUN LED ST LED QUAD 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 AM RF IN FM RF OUT V CC1 FM OSC AM OSC DET OUT MPX IN LPF1 LPF2 VCO L OUT R OUT FM RF IN GND1 FM MIX NOT CONNECTED AM MIX AGC VCC2 AM IF IN FM IF IN NOT CONNECTED GND2 TUN LED ST LED QUAD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 AM RF IN FM RF OUT VCC1 FM OSC NOT CONNECTED AM OSC DET OUT MPX IN LPF1 LPF2 NOT CONNECTED VCO L OUT R OUT / February 1995 This is advance information on a new product now in development or undergoing evaluation.
