TDA7421 Datasheet | STMicroelectronics

® AM/FM TUNER FOR CAR RADIO AND Hi-Fi APPLICATIONS FRONT-END FOR AM/FM RECEIVERS UP-CONVERSION ARCHITECTURE FOR AM HIGH SPEED PLL WITH INLOCK DETECTOR FOR OPTIMIZED RDS APPLICATIONS SINGLE FREQUENCY REFERENCE FOR AM/FM AM/FM STATION DETECTOR µP-CONTROLLED PENSATION OF EXTERNAL PONENTS SPREAD ADJUSTABLE AUDIO MUTE FULLY PROGRAMMABLE BY I2C BUS ADVANCED BICMOS TECHNOLOGY GENERAL DESCRIPTION The TDA7421 is a high performance tuner circuit that integrates AM/FM sections, IF counter and PLL synthesizer on a single chip. Use of BICMOS technology allows the implementation of tuning functions with a minimum of external ponents. Value spread of external ponents can be fully...