• Part: Si4737-B20
  • Description: BROADCAST WEATHER BAND RADIO RECEIVER
  • Manufacturer: Silicon Labs
  • Size: 610.50 KB
Download Si4737-B20 Datasheet PDF
Silicon Labs
Si4737-B20
Features - NOAA weather band support (162.4- - No manual alignment necessary 162.55 MHz) - Programmable reference clock - Worldwide FM band support - Volume control (76- 108 MHz) - Programmable soft mute control - Worldwide AM band support - Programmable de-emphasis (520- 1710 k Hz) (Si4736/37 only) - RDS/RBDS processor (Si4737/39 - 1050 Hz alert tone detection only) - Excellent real-world performance - Optional digital audio output (Si47/39 - Freq synthesizer with integrated VCO only) - Advanced AM/FM seek tuning - Optional digital audio output - Automatic frequency control (AFC) (Si4737/39 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 - Adaptive noise suppression - 3 x 3 x 0.55 mm 20-pin QFN package - AM/FM/WB digital tuning - Pb-free/Ro HS pliant Ordering Information: See page 30. Pin Assignments Si4736/37/38/39-GM (Top...