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TDA7333 Datasheet(PDF) 1 Page - STMicroelectronics |
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TDA7333 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 21 page  1/21 TDA7333 January 2005 1 Features ■ 3 rd 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) ■ I 2C/SPI BUS INTERFACE ■ COMMON QUARTZ FREQUENCY 8.55 MHz or 8.664MHz ■ 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 ra- dio broadcasting stations. RDS/RBDS PROCESSOR Figure 2. Block Diagram INTN SIGMA DELTA converter BANDPASS filter SINC4 filter RDS demodulator & synchronisation INTERPOLATOR TEST LOGIC & PIN MUX's I2C/SPI interface OSCILLATOR MPX MPX sinc4reg INTN MPX SCL_CLK SDA_DATAIN SA_DATAOUT CSN XTI XTO TM RESETN resetn tm VDDA VDDD VSS Cxti Cxto Cmpx sdaout sdain sck spi testreg 10 REF1 REF3 REF2 Cref Cref Cref 4 3 2 16 9 1 5 7 15 8 6 14 13 12 11 16pF 16pF Figure 1. Package Table 1. Order Codes Part Number Package TDA7333 TSSOP16 TSSOP16 Rev. 1 |
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