Product overview
Description
The TDA7705 highly integrated tuner (HIT) is a new generation of high performance tuners for carradio applications.
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.
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All features
- I2C/SPI bus controlled
- High performance stereodecoder with noiseblanker
- LQFP64 package
- Single 5 V supply
- Integrated IF-filters with high selectivity, high dynamic range and adaptive bandwidth control
- Digital IF signal processing, high performance and drift-free
- Fully integrated VCO for world tuning
- AM/FM mixers with high image rejection
- High performance PLL for fast RDS system
- Automatic self alignment for preselection and image rejection
- RDS demodulation with group and block synchronization
- Integrated AM-LNA and AM-PINDIODE
Circuit Diagram
EDA Symbols, Footprints and 3D Models
STMicroelectronics - TDA7705
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