TDA7705

TDA7705 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 preselection and image rejection ■ Digital IF signal processing, high performance and drift-free ■ Integrated IF-filters with high selectivity, high dynamic range and adaptive bandwidth control ■ RDS demodulation with group and block synchronization ■ High performance stereodecoder with noiseblanker ■ I2C/SPI bus controlled ■ Single 5 V supply ■ LQFP64 package Description The TDA7705 highly integrated tuner (HIT) is a new generation of high performance tuners for carradio applications. LQFP64 It contains mixers and IF amplifiers for AM and FM, fully integrated VCO and PLL synthesizer, IF-processing including adaptive bandwidth control, 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 and automatic alignment. Table 1. Device summary Order code TDA7705 TDA7705TR Package LQFP64 (10x10x1.4mm) LQFP64 (10x10x1.4mm) Packing Tray Tape and reel September 2013 Doc ID 15938 Rev 9 1/42 www.st.com 1 Contents Contents TDA7705 1 Block diagram and pins description...