Si4702/03 FM Radio Receivers

Si4702/03 FM radio receivers increase the ease and attractiveness of adding FM radio reception to mobile devices through small size and board area, minimum component count, flexible programmability and superior, proven performance. The highly flexible functionality of Si4702/03 FM radio receivers caters to the subjective nature of audio preferences and variable FM broadcast environments worldwide.

Built on our Si4700/01 FM tuner architecture, Si4702/03 devices are pin-and software-compatible to existing Si4700/01 FM tuner designs. Si4702/03 ICs benefit from proven digital integration and 100% CMOS process technology, resulting in a completely integrated solution.

Package as small as
3mm x 3mm
Integrated LDO for
Direct connection to a battery

Common Specs

  • Worldwide FM band support (76–108 MHz)
  • Seek tuning
  • Automatic frequency control (AFC)
  • Automatic gain control (AGC)
  • Excellent overload immunity
  • Programmable de-emphasis (50/75 µs)
  • Adaptive noise suppression
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Part Number Tuning Method Display Method Mono/Stereo RDS FM AM SW LW WB TX EN55020

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