TDA7511 datasheet(1/41 Pages) STMICROELECTRONICS

Part #	TDA7511

Description	AM/FM TUNER FOR CAR RADIO AND HIFI APPLICATIONS

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TDA7511

November 2001

FM-PART

s

RF AGC GENERATION BY RF AND IF

DETECTION FOR PIN DIODES AND MOSFET

(PRESTAGE)

s

1ST MIXER FOR 1ST FM IF 10.7MHz WITH

PROGRAMMABLE IF TANK ADJUST FOR FM

AND AM UPCONVERSION

s

2 PROGRAMMABLE IF-GAIN STAGES

s

2ND MIXER FOR 2ND IF 450KHz

s

INTERNAL IF BANDPASS FILTER WITH

THREE BANDWIDTHS CONTROLLED BY ISS

(INCLUDING WEATHER BAND)

s

FULLY INTEGRATED FM-DEMODULATOR

AM-PART

s

WIDE AND NARROW AGC GENERATION

s

PREAMPLIFIER AND MIXER FOR 1ST IF

10.7MHZ,

AM UPCONVERSION

s

2ND MIXER FOR 2ND IF 450KHZ

s

INTEGRATED AM-DEMODULATOR

s

OUTPUT FOR AM-STEREO-DECODER

ADDITIONAL FEATURES

s

HIGH PERFORMANCE FAST PLL FOR RDS-

SYSTEM

s

IF COUNTER FOR FM AND AM

UPCONVERSION WITH SEARCH STOP

SIGNAL

s

QUALITY DETECTOR FOR LEVEL,

DEVIATION, ADJACENT CHANNEL AND

MULTIPATH

s

QUALITY DETECTION INFORMATIONS AS

ANALOG SIGNALS EXTERNAL AVAILABLE

s

ISS (INTELLIGENT SELECTIVITY SYSTEM)

FOR CANCELLATION OF ADJACENT

CHANNEL AND NOISE INFLUENCES

s

ADJACENT CHANNEL MUTE

s

FULLY ELECTRONIC ALIGNMENT

s

ALL FUNCTIONS I2C-BUS CONTROLLED

s

ISS FILTER STATUS INFORMATION I2C-BUS

READABLE

DESCRIPTION

The TDA 7511 is a high performance tuner circuit for

AM/FM car radio. It contains mixers, IF amplifiers, de-

modulators for AM and FM, quality detection, ISS fil-

ter and PLL synthesizer with IF counter on a single

chip.

Use of BICMOS technology allows the implementa-

tion of several tuning functions and a minimum of ex-

ternal components.

TQFP64

ORDERING NUMBER: TDA7511

AM/FM TUNER FOR CAR RADIO AND HIFI APPLICATIONS

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