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Highly integrated tuner for AM/FM car radio

Quantity $ per Unit Savings
1 - 9$9.880%
10 - 24$8.9210%
25 - 99$8.5114%
100 - 249$7.3925%
250 - 499$7.0629%
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Parameter NameParameter Value
Operating RangeAutomotive
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius85.0
Packing TypeTape And Reel
RoHs compliantEcopack1
Package NameLQFP 64 10x10x1.4 mm

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.

Key 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