Si4702/03 FM Radio Receivers

The Si4702/03 FM radio receiver family increases 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 these ICs caters to the subjective nature of audio preferences and variable FM broadcast environments worldwide. 

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



  • 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

Getting Started with Si4702/03 FM Radio Receivers

Si4702/03 Evaluation Kits

The easiest way to begin development with the Si4702/03 family is with the Si4702/03 Evaluation Kits.

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Si4702/03 Product Matrix

Part Number Data Sheet Description Tuning Method Display Method Mono/Stereo RDS FM AM SW LW WB TX EN55020
FM Receiver Digital Digital Stereo No Yes No No No No No No
FM Receiver w RDS Digital Digital Stereo Yes Yes No No No No No No
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