Description
The TDA7706 highly integrated tuner is a high/performance AM/FM tuner IC for car-radio applications, suitable for HD Radio™ reception. It contains mixers and IF amplifiers for AM, FM and WX, fully integrated VCO and PLL synthesizer, IF- processing including adaptive bandwidth control, stereo-decoder, RDS decoder, and digital interfaces for external HD Radio™ decoding on a single IC. AM/FM IBOC or DRM base band filtering is available in parallel to standard analog reception. 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 customization possibility through software control, automatic alignment and a powerful DSP for custom processing. '!0'03 LQFP64

Features
■ FM, AM and weather band reception
■ Fully integrated VCO for world tuning
■ High performance PLL for fast RDS system
■ Integrated AM-LNA and PIN diodes
■ Automatic self alignment for FM front-end pre- selection filter and image rejection
■ Integrated IF filters with high selectivity, dynamic range and adaptive bandwidth control
■ Drift-free Digital-IF signal processing with high performance
■ RDS demodulation with group and block synchronization
■ High performance stereo decoder with noise- blanker
■ Digital interface for HD Radio™ reception with digital audio blending
■ Fully programmable DSP core
■ I2C bus-controlled
■ I2S input/output digital audio interfaces
■ Single 5 V supply
■ LQFP64 package