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SI4721 - Broadcast FM Radio Transceiver

Download the SI4721 datasheet PDF. This datasheet also covers the SI4720 variant, as both devices belong to the same broadcast fm radio transceiver family and are provided as variant models within a single manufacturer datasheet.

General Description

The Si4720/21 is the first single chip FM radio transceiver.

Key Features

  • Integrated FM antenna support Excellent real-world performance Only two external components required Worldwide FM band support (76 to 108 MHz) RDS/RBDS processor (Si4721) Frequency synthesizer with integrated VCO Adjustable seek parameters Adjustable mono/stereo blend Adjustable soft mute Programmable transmit output voltage control Audio dynamic range control Advanced modulation control Analog/digital audio interface Programmable reference clock input Programmable pre/de-emphasis (50/75 µs) 2-w.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (SI4720_SiliconLaboratories.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Silicon Laboratories

Part Number Description
SI4720 Broadcast FM Radio Transceiver
Si4700-B15 BROADCAST FM RADIO TUNER
Si4701-A BROADCAST FM RADIO TUNER
Si4702-C19 BROADCAST FM RADIO TUNER
Si4703-C19 BROADCAST FM RADIO TUNER

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
www.DataSheet4U.com Si4720/21 Broadcast FM Radio Transceiver for Portable Applications Features Integrated FM antenna support Excellent real-world performance Only two external components required Worldwide FM band support (76 to 108 MHz) RDS/RBDS processor (Si4721) Frequency synthesizer with integrated VCO Adjustable seek parameters Adjustable mono/stereo blend Adjustable soft mute Programmable transmit output voltage control Audio dynamic range control Advanced modulation control Analog/digital audio interface Programmable reference clock input Programmable pre/de-emphasis (50/75 µs) 2-wire and 3-wire control interface Integrated LDO regulator 2.7 to 5.5 V supply voltage 3x3x0.