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TDA7705
 
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TDA7705

Highly Integrated Tuner for AM/FM Car Radio

STMicroelectronics

The TDA7705 highly integrated tuner (HIT) is a generation of high performance tuners for car radio 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.

Product Description

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.

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 stereo decoder with noise blanker
  • I²C/SPI bus controlled
Specifications
  • Antenna Connector:PCB, Surface Mount
  • Applications:Automotive Audio
  • Current - Receiving:220mA
  • Data Interface:PCB, Surface Mount
  • Modulation or Protocol:AM, FM
  • Mounting Type:Surface Mount
  • Operating Temperature:-40°C ~ 85°C
  • Package / Case:64-LQFP
  • Supplier Device Package:64-LQFP (10x10)
  • Voltage - Supply:4.75V ~ 5.25V
Parts