Si4730/31-B20
BROADCAST AM/FM RADIO RECEIVER
Features
Worldwide FM band support
EN55020 compliant
(76–108 MHz)
No manual alignment necessary
Worldwide AM band support
Programmable reference clock
(520–1710 kHz)
Volume control
Excellent real-world performance
Programmable soft mute control
Freq synthesizer with integrated VCO RDS/RBDS processor (Si4731 only)
Advanced AM/FM seek tuning
Optional digital audio output (Si4731
Automatic frequency control (AFC)
only)
Automatic gain control (AGC)
2-wire and 3-wire control interface
Integrated LDO
regulator
2.
7 to 5.
5 V supply voltage
Digital FM stereo decoder
Firmware upgradeable
Progra...