TDA7421N Datasheet | STMicroelectronics

AM/FM TUNER FOR CAR RADIO AND HI-FI APPLICATIONS PRELIMINARY DATA s HIGH PERFORMANCE FRONT-END IC FOR AM/FM RECEIVERS s FULLY INTEGRATED HIGH-SPEED PLL FOR OPTIMIZED RDS APPLICATIONS s FM MPX/AM AUDIO OUTPUT, 450kHz AM IF OUTPUT FOR STEREO AM APPLICATIONS s AM DOUBLE CONVERSION ARCHITECTURE s AM/FM STATION DETECTOR AND DIGITAL IF-COUNTER s SINGLE FREQUENCY REFERENCE FOR BOTH AM AND FM s FULL ELECTRICAL ADJUSTMENT s I2C-BUS PROGRAMMABLE DESCRIPTION The TDA7421N is a high-performance tuner circuit which integrates AM and FM sections, PLL frequency sinthesizer and IF counter on a single chip. Use of BICMOS technology allows the implementation of tuning functions with a minimum of...