Si4734-B20 - Silicon Laboratories

Si4734-B20 BROADCAST AM/FM/SW/LW RADIO RECEIVER

The Si4734/35 is the first digital CMOS AM/FM/SW/LW radio receiver IC that integrates the complete tuner function from antenna input to audio output. Ordering Information: See page 31. Pin Assignments Si4734/35-GM (Top View) NC GPO1 GPO2/INT GPO3/DCLK DFS NC 1 FMI 2 RFGND 3 AMI 4 RST 5 6 20 19 18 17 16 15 DOUT GND PAD 14 LOUT 13 ROUT 12 GND 7 8 9 1.

Features

„ Worldwide FM band support „ No manual alignment necessary (64
  –108 MHz) „ Adjustable channel filters „ Worldwide AM band support „ EN55020 complaint (520
  –1710 kHz) „ Programmable reference clock „ SW band support (2.3
  –21.85 MHz) „ Digital volume control „ LW band support (153
  –279 KHz) „ Adjustable soft mute control „ Excellent real-world performance „ RDS/RBDS processor (Si4735 only) „ Freq synthesizer with integrated VCO „ Optional digital audio out (Si4735 only) „ Automatic frequency control (AFC) „ 2-wire and 3-wire control interface „ Automatic gain control (AGC) „ 2.7 to.