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Si4734-B20 - BROADCAST AM/FM/SW/LW RADIO RECEIVER

Download the Si4734-B20 datasheet PDF. This datasheet also covers the Si4735-B20 variant, as both devices belong to the same broadcast am/fm/sw/lw radio receiver family and are provided as variant models within a single manufacturer datasheet.

Description

The Si4734/35 is the first digital CMOS AM/FM/SW/LW radio receiver IC that integrates the complete tuner function from antenna input to audio output.

Ordering Information: See page 31.

Features

  • Worldwide FM band support.
  • No manual alignment necessary (64.
  • 108 MHz).
  • Adjustable channel filters.
  • Worldwide AM band support.
  • EN55020 complaint (520.
  • 1710 kHz).
  • Programmable reference clock.
  • SW band support (2.3.
  • 21.85 MHz).
  • Digital volume control.
  • LW band support (153.
  • 279 KHz).
  • Adjustable soft mute control.
  • Excellent real-world performance.
  • RDS/.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (Si4735-B20-SiliconLaboratories.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
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Si4730EY Current Sensing MOSFET Vishay
Si4731 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
Si4734-D60 BROADCAST AM/FM/SW/LW 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 (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
Si4734/35-B20 BROADCAST AM/FM/SW/LW RADIO RECEIVER Features „ Worldwide FM band support „ No manual alignment necessary (64–108 MHz) „ Adjustable channel filters „ Worldwide AM band support „ EN55020 complaint (520–1710 kHz) „ Programmable reference clock „ SW band support (2.3–21.85 MHz) „ Digital volume control „ LW band support (153–279 KHz) „ Adjustable soft mute control „ Excellent real-world performance „ RDS/RBDS processor (Si4735 only) „ Freq synthesizer with integrated VCO „ Optional digital audio out (Si4735 only) „ Automatic frequency control (AFC) „ 2-wire and 3-wire control interface „ Automatic gain control (AGC) „ 2.7 to 5.
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