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