TDA7540B AM/FM Car Radio Tuner IC with Stereo Decoder and
Intelligent Selectivity System (ISS)
FM-Part
■ RF AGC generation by RF and IF detection
■ I/Q mixer for 1st FM IF 10.7MHz with image
rejection
■ Mixer for 2nd IF 450kHz
■ Internal 450KHz bandpass filter with bandwidth
control by ISS
■ Fully integrated FM-demodulator with spike
cancellation
AM-Part
■ Wide and narrow AGC generation
■ Mixer for 1st IF 10.7MHz, AM upconversion
■ Mixer for 2nd IF 450kHz, AM downconversion
■ Integrated AM-demodulator
■ AM IF- and audio noise blanking
Stereodecoder
■ PLL with adjustment free, fully integrated VCO
■ Automatic pilot dependent MONO/STEREO
switching
■ Programmable ROLL-OFF compensation
■ High cut and stereo blend-characteristics
programmable
■ Dedicated RDS-mute
■ Internal noise blanker with several threshold
controls
Additional Features
■ VCO for world tuning range
■ High performance fast PLL for RDS-System
■ IF counter for FM and AM with search stop
signal
■ Quality detector for level, deviation, adjacent
channel and multipath
■ ISS (Intelligent Selectivity System) for
cancellation of adjacent channel and noise
influences
■ Adjacent channel mute
■ Fully electronic alignment
■ All functions I2C-Bus controlled
Description
The TDA7540 is a high performance tuner circuit
for AM/FM car radio. It contains mixer, IF
amplifier, demodulator for AM and FM,
stereodecoder, 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.

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TDA7540B

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Description

AM/FM Car Radio Tuner IC with Stereo Decoder and Intelligent Selectivity System (ISS) FM-Part ■ RF AGC generation by RF and IF detection ■ I/Q mixer for 1st FM IF 10.7MHz with image rejection ■ Mixer for 2nd IF 450kHz ■ Internal 450KHz bandpass filter with bandwidth control by ISS ■ Fully integrated FM-demodulator with spike cancellation AM-Part ■ Wide and narrow AGC generation ■ Mixer for 1st IF 10.7MHz, AM upconversion ■ Mixer for 2nd IF 450kHz, AM downconversion ■ Integrated AM-demodulator ■ AM IF- and audio noise blanking Stereodecoder ■ PLL with adjustment free, fully integrated VCO ■ Automatic pilot dependent MONO/STEREO switching ■ Programmable ROLL-OFF compensation ■ High cut and stereo blend-characteristics programmable ■ Dedicated RDS-mute ■ Internal noise blanker with several threshold controls Additional Features ■ VCO for world tuning range ■ High performance fast PLL for RDS-System ■ IF counter for FM and AM with search stop signal ■ Quality detector for level, deviation, adjacent channel and multipath ■ ISS (Intelligent Selectivity System) for cancellation of adjacent channel and noise influences ■ Adjacent channel mute ■ Fully electronic alignment ■ All functions I2C-Bus controlled Description The TDA7540 is a high performance tuner circuit for AM/FM car radio. It contains mixer, IF amplifier, demodulator for AM and FM, stereodecoder, 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.

Not found, similar datasheet recommended

ECAD Module
Manufacturer Part Number: TDA7540B
Brand: STMicroelectronics
DateCode: 06+
Package / Case: QFP-80
Category: Integrated Circuits (ICs)
Warranty: 100% Perfect Functions

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ECAD Module

Product Attributes

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TDA7540B AM/FM Car Radio Tuner IC with Stereo Decoder and Intelligent Selectivity System (ISS) FM-Part ■ RF AGC generation by RF and IF detection ■ I/Q mixer for 1st FM IF 10.7MHz with image rejection ■ Mixer for 2nd IF 450kHz ■ Internal 450KHz bandpass filter with bandwidth control by ISS ■ Fully integrated FM-demodulator with spike cancellation AM-Part ■ Wide and narrow AGC generation ■ Mixer for 1st IF 10.7MHz, AM upconversion ■ Mixer for 2nd IF 450kHz, AM downconversion ■ Integrated AM-demodulator ■ AM IF- and audio noise blanking Stereodecoder ■ PLL with adjustment free, fully integrated VCO ■ Automatic pilot dependent MONO/STEREO switching ■ Programmable ROLL-OFF compensation ■ High cut and stereo blend-characteristics programmable ■ Dedicated RDS-mute ■ Internal noise blanker with several threshold controls Additional Features ■ VCO for world tuning range ■ High performance fast PLL for RDS-System ■ IF counter for FM and AM with search stop signal ■ Quality detector for level, deviation, adjacent channel and multipath ■ ISS (Intelligent Selectivity System) for cancellation of adjacent channel and noise influences ■ Adjacent channel mute ■ Fully electronic alignment ■ All functions I2C-Bus controlled Description The TDA7540 is a high performance tuner circuit for AM/FM car radio. It contains mixer, IF amplifier, demodulator for AM and FM, stereodecoder, 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.

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TDA7540B

TDA7540B has several brands around the world that may have alternate names for TDA7540B due to regional differences or acquisition. TDA7540B may also be known as the following names: