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Si4737-B20 - BROADCAST WEATHER BAND RADIO RECEIVER

Download the Si4737-B20 datasheet PDF. This datasheet also covers the Si4736-B20 variant, as both devices belong to the same broadcast weather band radio receiver family and are provided as variant models within a single manufacturer datasheet.

Description

The Si4736/37/38/39 is the first digital CMOS AM/FM/WB radio receiver IC that integrates the complete tuner function from antenna input to audio output.

Features

  • NOAA weather band support (162.4.
  • No manual alignment necessary 162.55 MHz).
  • Programmable reference clock.
  • Worldwide FM band support.
  • Volume control (76.
  • 108 MHz).
  • Programmable soft mute control.
  • Worldwide AM band support.
  • Programmable de-emphasis (520.
  • 1710 kHz) (Si4736/37 only).
  • RDS/RBDS processor (Si4737/39.
  • 1050 Hz alert tone detection only).
  • Excellent real-world performance.
  • Optional digital a.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (Si4736-B20-SiliconLaboratories.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

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Si4730 BROADCAST AM/FM/SW/LW RADIO RECEIVER Skyworks
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Si4731 BROADCAST AM/FM/SW/LW RADIO RECEIVER Skyworks
Si4734 BROADCAST AM/FM/SW/LW RADIO RECEIVER Skyworks
Si4735 BROADCAST AM/FM/SW/LW RADIO RECEIVER Skyworks

Other Datasheets by Silicon Laboratories

Part Number Description
Si4737-C40 BROADCAST AM/FM RADIO RECEIVER
Si4730-B20 BROADCAST MULTI-BAND RADIO RECEIVER
Si4730-B20 BROADCAST AM/FM RADIO RECEIVER
Si4730-D50 BROADCAST AM/FM RADIO RECEIVER
Si4730-D60 BROADCAST AM/FM/SW/LW RADIO RECEIVER

Full PDF Text Transcription

Click to expand full text
Si4736/37/38/39-B20 BROADCAST WEATHER BAND RADIO RECEIVER NC3d6e/d3f7o/r38N/e3w9-DCe4s0igns GPO1 GPO2/INT GPO3/DCLK Features  NOAA weather band support (162.4–  No manual alignment necessary 162.
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