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