TDA7333

www.DataSheet4U.com TDA7333 RDS/RBDS PROCESSOR 1 ■ ■ ■ ■ ■ 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 PROGRAMMABLE INTERRUPT SOURCE (RDS BLOCK,TA) I2C/SPI BUS INTERFACE COMMON QUARTZ FREQUENCY 8.55 MHz or 8.664MHz Figure 1. Package TSSOP16 Table 1. Order Codes Part Number TDA7333 ■ Package TSSOP16 ■ ■ ■ ■ 3.3V POWER SUPPLY, 0.35 µm CMOS TECHNOLOGY 2 Description The TDA7333 is a RDS/RDBS signal processor, intended for recovering the inaudible RDS/RBDS informations which are transmitted on most FM radio broadcasting stations. Figure 2. Block Diagram Cref REF1 4 Cref REF3 2 Cref 16pF Cxti 16pF Cxto XTO VDDA 1 REF2 3 XTI 9 10 VSS 5 VDDD 7 OSCILLATOR MPX 16 Cmpx SIGMA DELTA converter SINC4 filter BANDPASS filter INTERPOLATOR sinc4reg MPX SCL_CLK SDA_DATAIN SA_DATAOUT CSN 11 12 13 14 sdaout sdain sck spi testreg tm resetn MPX TEST LOGIC & PIN MUX's I2C/SPI interface RDS demodulator & synchronisation INTN 15 INTN 6 8 TM RESETN January 2005 Rev. 1 1/21 TDA7333 3 Pin Connection www.DataSheet4U.com Figure 3. Pin Connection (Top view) VDDA 1 REF3 2 REF2 3 REF1 4 VSS 5 TM 6 VDDD 7 RESETN 8 TDA7333 16 MPX 15 INTN 14 CSN 13 SA_DATAOUT 12 SDA_DATAIN 11 SCL_CLK 10 XTO 9 XTI...