TDA7511

TDA7511 AM/FM TUNER FOR CAR RADIO AND HIFI APPLICATIONS FM-PART s RF AGC GENERATION BY RF AND IF DETECTION FOR PIN DIODES AND MOSFET (PRESTAGE) 1ST MIXER FOR 1ST FM IF 10.7MHz WITH PROGRAMMABLE IF TANK ADJUST FOR FM AND AM UPCONVERSION 2 PROGRAMMABLE IF-GAIN STAGES 2ND MIXER FOR 2ND IF 450KHz INTERNAL IF BANDPASS FILTER WITH THREE BANDWIDTHS CONTROLLED BY ISS (INCLUDING WEATHER BAND) FULLY INTEGRATED FM-DEMODULATOR s s s s s TQFP64 ORDERING NUMBER: TDA7511 MULTIPATH 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 s AM-PART s WIDE AND NARROW AGC GENERATION s s PREAMPLIFIER AND MIXER FOR 1ST IF 10.7MHZ, AM UPCONVERSION 2ND MIXER FOR 2ND IF 450KHZ INTEGRATED AM-DEMODULATOR OUTPUT FOR AM-STEREO-DECODER s s s s s s s DESCRIPTION ADDITIONAL FEATURES s HIGH PERFORMANCE FAST PLL FOR RDSSYSTEM s IF COUNTER FOR FM AND AM UPCONVERSION WITH SEARCH STOP SIGNAL QUALITY DETECTOR FOR LEVEL, DEVIATION, ADJACENT CHANNEL AND The TDA 7511 is a high performance tuner circuit for AM/FM car radio. It contains mixers, IF amplifiers, demodulators 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 ...