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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.
55 mm 20-pi...