Description
   The Si4730/31-D50 is the fourth generation digtial CMOS AM/FM radio receiver IC from Skyworks. The Si4730/31-D50 integrates the complete tuner function from antenna input to audio output.

FEATUREs
◾ Worldwide FM band support
   (64–108 MHz)
◾ Worldwide AM band support
   (520–1710 kHz)
◾ Excellent real-world performance
◾ Integrated VCO
◾ Advanced AM/FM seek tuning
◾ AM/FM digital tuning
◾ Automatic frequency control (AFC)
◾ Automatic gain control (AGC)
◾ Digital FM stereo decoder
◾ Programmable AVC max gain
◾ Programmable de-emphasis
◾ Seven selectable AM channel filters
◾ Advanced audio processing
◾ No manual alignment necessary
◾ Programmable reference clock
◾ Volume control
◾ Adjustable soft mute control
◾ RDS/RBDS processor (Si4731 only)
◾ I2S digital audio out
◾ 2-wire and 3-wire control interface
◾ Integrated LDO regulator
◾ Wide range of ferrite loop sticks and
   air loop antennas supported
◾ QFN package
   • RoHS compliant
◾ Not suitable for wall-plugged
   consumer electronic applications*

APPLICATIONs
◾ Cellular handsets
◾ MP3 players
◾ Portable navigation
◾ Mobile Internet Devices
◾ USB FM radio
◾ Tablets
◾ eBooks