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