|Description||AM/FM Car Radio Tuner ic With Intelligent Selectivity System (ISS)|
|Company||ST Microelectronics, Inc.|
|Datasheet||Download TDA7512 datasheet
|AM/FM CAR RADIO TUNER IC WITH INTELLIGENT SELECTIVITY SYSTEM (ISS)
FM-PART s RF AGC GENERATION BY RF AND IF DETECTION s I/Q MIXER FOR IF 10.7MHz WITH IMAGE REJECTION s 2 PROGRAMMABLE IF-GAIN STAGES nd s MIXER FOR 450KHz s INTERNAL 450KHz BANDPASS FILTER WITH THREE BANDWIDTHS CONTROLLED BY ISSFULLY INTEGRATED FM-DEMODULATOR WITH NOISE CANCELLATION
AM-PART s WIDE AND NARROW AGC GENERATION s PREAMPLIFIER AND MIXER FOR 10.7MHz, AM UPCONVERSION nd s MIXER FOR 450KHz s INTEGRATED AM-DEMODULATOR s OUTPUT FOR AM-STEREO-DECODER ADDITIONAL FEATURES s VCO FOR WORLD TUNING RANGE s HIGH PERFORMANCE FAST PLL FOR RDSSYSTEM s IF COUNTER FOR FM AND AM WITH SEARCH STOP SIGNAL s QUALITY DETECTOR FOR LEVEL, DEVIATION, ADJACENT CHANNEL AND MULTIPATH s QUALITY DETECTION INFORMATIONS AS ANALOG SIGNALS EXTERNAL AVAILABLE
ISS (INTELLIGENT SELECTIVITY SYSTEM) FOR CANCELLATION OF ADJACENT CHANNEL AND NOISE INFLUENCES ADJACENT CHANNEL MUTE FULLY ELECTRONIC ALIGNMENT ALL FUNCTIONS I2C-BUS CONTROLLED ISS FILTER STATUS INFORMATION I2C-BUS READABLE
DESCRIPTION The is a high performance tuner circuit for AM/FM car radio. It contains mixer, IF amplifier, demodulator for AM and FM, quality detection, ISS filter and PLL synthesizer with IF counter on a single chip. Use of BICMOS technology allows the implementation of several tuning functions and a minimum of external components.
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
AMMIX1IN2 AMMIX1IN1 AMRFAGCIN AMRFAGCOUT AMPINDR FMPINDR FMMIX1IN1 GNDRF FMMIX1IN2 FMAGCTC TV1 TV2 ADJCH Input1 Mixer1 Input AM RF AGC Output AM RF AGC AM PIN Diode Driver Output FM PIN Diode Driver Output Mixer1 RF Ground Mixer1 FM AGC Time Constant Tuning Voltage Preselection1 Tuning Voltage Preselection2 Ident. Adjacent Channel Output
|Some Part number from the same manufacture ST Microelectronics, Inc.|
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