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TDA7540B

Features: · 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 cancellationApplication· VCO for world tuning range· High p...

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SeekIC No. : 004516633 Detail

TDA7540B: Features: · 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· Fu...

TDA7540B Data Sheet

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Part Number:
TDA7540B
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· 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


Application

· 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


Pinout

Connection Diagram


Specifications

Symbol Parameter Value Unit
VS Supply voltage 9.5 V
Tamb Ambient temperature -40 to 85 °C
Tstg Storage temperature -55 to 150 °C
VESD ESD protection (Human Body Model) ±1500 V
VESD ESD protection (Machine Model) ±150 V
VESD ESD protection (Change Device Model) ±750 V



Description

The TDA7540B 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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