Description
The Si4704/05 integrates all functions required for an advanced broadcast FM radio receiver, from antenna input to stereo audio output.

FEATUREs
Worldwide FM band support (64–108 MHz)
Integrated antenna support
EN55020 compliant
Excellent real-world performance
Freq synthesizer with integrated VCO
Advanced FM seek tuning
Automatic frequency control (AFC)
Automatic gain control (AGC)
Digital FM stereo decoder
Minimal BOM
Programmable de-emphasis
Programmable reference clock
Volume control
Adjustable soft mute control
RDS/RBDS processor (Si4705)
Optional digital audio out (Si4705)
2-wire and 3-wire control interface
Integrated LDO regulator
Signal quality measurements
2.7 to 5.5 V supply voltage
3x3 mm 20-pin QFN package
RoHS compliant

APPLICATIONs
Table and portable radios
Stereos
Mini/micro systems
CD/DVD players
Boom boxes
Modules
Clock radios
Mini HiFi
Entertainment systems