Highly integrated tuner
TDA7703R
Highly integrated tuner for AM/FM car radio
Features
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Fully integrated VCO for world tuning High ...
Description
TDA7703R
Highly integrated tuner for AM/FM car radio
Features
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Fully integrated VCO for world tuning High performance PLL for fast RDS system AM/FM mixers with high image rejection Integrated AM-LNA and AM-PINDIODE Automatic self alignment for image rejection Digital IF signal processing, high performance and drift-free Integrated IF-filters with high selectivity, high dynamic range and FM adaptive bandwidth control RDS demodulation with group and block synchronization High performance stereodecoder with noiseblanker I2C bus controlled Single 5 V supply LQFP44 package
LQFP44
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It contains mixers and IF amplifiers for AM and FM, fully integrated VCO and PLL synthesizer, IF-processing including adaptive bandwidth control (FM), stereo decoder and RDS decoder on a single chip. The utilization of digital signal processing results in numerous advantages against today's tuners: – Very low number of external components – Very small space occupation and easy application – Very high selectivity due to digital filters – High flexibility by software control – Automatic image rejection alignment.
Description
The TDA7703R highly integrated tuner (HIT44) is part of a family of tuners for carradio applications. Table 1. Device summary
Order code TDA7703R TDA7703RTR
Package LQFP44 (10x10x1.4mm) LQFP44 (10x10x1.4mm)
Packing Tray Tape and reel
January 2010
Rev 1.2
1/32
www.st.com 1
Contents
TDA7703R
Contents
1 Block diagram and pin description . . . . . . . . . ...
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