This part is a kind of semiconductor called TDA7703RTR.

Function of this product has Highly integrated tuner.

Manufacturers : STMicroelectronics

Image and pinout :

Some of the text within the PDF file :

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 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 ■ ■ ■ ■ ■ 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 an [ ... ]

TDA7703RTR PDF Datasheet Download