Part # TDA7512 datasheet

Part Manufacturer: ST Microelectronics

ST Microelectronics

Part Description: AM/FM CAR RADIO TUNER IC WITH INTELLIGENT SELECTIVITY SYSTEM (ISS)


Part Details:

TDA7512 AM/FM CAR RADIO TUNER IC WITH INTELLIGENT SELECTIVITY SYSTEM (ISS) PRELIMINARY DATA FM-PART s RF AGC GENERATION BY RF AND IF DETECTION s I/Q MIXER FOR 1ST FM IF 10.7MHz WITH IMAGE REJECTION s 2 PROGRAMMABLE IF-GAIN STAGESs MIXER FOR 2nd IF 450KHz s INTERNAL 450KHz BANDPASS FILTER WITH THREE BANDWIDTHS CONTROLLED BY ISS TQFP64 s FULLY INTEGRATED FM-DEMODULATOR ORDERING NUMBER: TDA7512 WITH NOISE CANCELLATION AM-PART s WIDE AND NARROW AGC GENERATION s ISS (INTELLIGENT SELECTIVITY SYSTEM) s PREAMPLIFIER AND MIXER FOR 1ST IF 10.7MHz, AM UPCONVERSION FOR CANCELLATION OF ADJACENT CHANNEL AND NOISE INFLUENCES s MIXER FOR 2nd IF 450KHz s ADJACENT CHANNEL MUTE s INTEGRATED AM-DEMODULATOR s FULLY ELECTRONIC ALIGNMENT s OUTPUT FOR AM-STEREO-DECODER s ALL FUNCTIONS I2C-BUS CONTROLLEDs ISS FILTER STATUS INFORMATION I2C-BUS ADDITIONAL FEATURES READABLE s VCO FOR WORLD TUNING RANGEs HIGH PERFORMANCE FAST PLL FOR RDS- DESCRIPTION SYSTEM s IF COUNTER FOR FM AND AM WITH The TDA7512 is a high performance tuner circuit for SEARCH STOP SIGNAL AM/FM car radio. It contains mixer, IF amplifier, de- s QUALITY DETECTOR FOR LEVEL, modulator for AM and FM, quality detection, ISS filter DEVIATION, ADJACENT CHANNEL AND and PLL synthesizer with IF counter on a single chip. MULTIPATH Use of BICMOS technology allows the implementa- s QUALITY DETECTION INFORMATIONS AS tion of several tuning functions and a minimum of ex- ANALOG SIGNALS EXTERNAL AVAILABLE ternal components. September 2003 1/42 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. TDA7512 BLOCK DIAGRAM 2/42 TDA7512


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TDA7512.pdf Datasheet