tda7703r.pdfVIP

TDA7703R Highly integrated tuner for AM/FM car radio Features ■ 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 LQFP44 and drift-free ■ Integrated IF-filters with high selectivity, high dynamic range and FM adaptive bandwidth control It contains mixers and IF amplifiers for AM and ■ RDS demodulation with group and block FM, fully integrated VCO and PLL synthesizer, synchronization IF-processing including adaptive bandwidth ■ High performance stereodecoder with control (FM), stereo decoder and RDS decoder noiseblanker on a single chip. 2 ■ I C bus controlled The utilization of digital signal processing results ■ Single 5 V supply in numerous advantages against todays tuners: ■ LQFP44 package – Very low number of external components – Very small space occupation and easy Description application – Very high selectivity due to digital filters The TDA7703R highly integrated tuner (HIT44) is – High flexibility by software control part of a family of tuners for carradio applications. – Automatic image rejection alignment. Table 1. Device summary Order code Package Packing TDA7703R LQFP44 (10x10x1.4mm) Tray