Description

The TDA7333N circuit is a RDS/RDBS signal processor, intended for recovering the inaudible RDS/RBDS informations which are transmitted on most FM radio broadcasting stations..

Features

■ 3rd order high resolution sigma delta converter for MPX sampling

■ Digital decimation and filtering stages

■ Demodulation of european radio data system (RDS)

■ Demodulation of USA radio broadcast data system (RBDS)

■ Automatic group and block synchronization with flywheel mechanism

■ Error detection and correction

■ RAM buffer with a storage capacity of 24 RDS blocks and related status information

■ Programmable interrupt source (RDS block A, B, or D, TA, TA EON)

■ I2C/SPI bus interface

■ Input frequency range 4-21 MHz

■ Power down mode

■ 3.3 V power supply, 0.35 µm CMOS technology