TDA7546

TDA7546 Multichip module for TMC tuner applications Features ■ High-performance FM receiver www.DataSheet4U.com ■ SW-Controlled world tuning ■ ■ ■ ■ ■ ■ ■ ■ Variable bandwidth IF filter (ISS, intelligent selectivity system) Programmable quality detectors High-speed PLL for RDS operation Full electronic alignment High-performance fully digital RDS/RBDS demodulator Integrated group and block synchronization Error detection and correction Full I2C-Bus control The following two devices are included – TDA7512F, high performance car-radio FM tuner with high-speed on-chip PLL and variable-bandwidth IF filter (ISS) – TDA7333N, fully digital RDS data decoder with with on-chip group and block synchronization and error detection/correction. Both chips are I2C-bus controlled. LQFP80 Description The TDA7546 multichip module combines in a single compact (14X14mm) 80-pin package the functionalities of a state-of-the-art FM receiver and RDS processor, exploiting one single 10.25MHz crystal reference. Order codes Part number TDA7546 TDA7546TR Package LQFP80 LQFP80 Packing Tray in Tape & Reel October 2006 Rev 4 1/68 www.st.com 1 Contents TDA7546 Contents 1 Block diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.1 1.2 TDA7512F . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 TDA7333N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 ...