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Si4731-D50 - BROADCAST AM/FM RADIO RECEIVER

Download the Si4731-D50 datasheet PDF. This datasheet also covers the Si4730-D50 variant, as both devices belong to the same broadcast am/fm radio receiver family and are provided as variant models within a single manufacturer datasheet.

General Description

Mobile Internet Devices Tablets USB FM radio

The Si4730/31-D50 is the fourth generation digtial CMOS AM/FM radio receiver IC from Silicon Labs.

The Si4730/31-D50 integrates the complete tuner function from antenna input to audio output.

Key Features

  • Worldwide FM band support (64.
  • 108 MHz).
  • Worldwide AM band support (520.
  • 1710 kHz).
  • Excellent real-world performance.
  • Integrated VCO.
  • Advanced AM/FM seek tuning.
  • AM/FM digital tuning.
  • Automatic frequency control (AFC).
  • Automatic gain control (AGC).
  • Digital FM stereo decoder.
  • Programmable AVC max gain.
  • Programmable de-emphasis.
  • Seven selectable AM channel filters.
  • Advanced audio processing.
  • No manual alignment.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (Si4730-D50-SiliconLaboratories.pdf) that lists specifications for multiple related part numbers.

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Si4730/31-D50 BROADCAST AM/FM RADIO RECEIVER Features  Worldwide FM band support (64–108 MHz)  Worldwide AM band support (520–1710 kHz)  Excellent real-world performance  Integrated VCO  Advanced AM/FM seek tuning  AM/FM digital tuning  Automatic frequency control (AFC)  Automatic gain control (AGC)  Digital FM stereo decoder  Programmable AVC max gain  Programmable de-emphasis  Seven selectable AM channel filters  Advanced audio processing  No manual alignment necessary  Programmable reference clock  Volume control  Adjustable soft mute control  RDS/RBDS processor (Si4731 only)  I2S digital audio out  2-wire and 3-wire control interface  Integrated LDO regulator  Wide range of ferrite loop sticks and air loop antennas supported  QFN package  RoHS compliant  No