Si4702-C19 - Silicon Laboratories

Si4702-C19 BROADCAST FM RADIO TUNER

 USB FM radio  PDAs  Notebook PCs  Portable navigation  Consumer electronics The Si4702/03 integrates the complete tuner function from antenna input to stereo audio output for FM broadcast radio reception. Functional Block Diagram Ordering Information: See page 38. Pin Assignments (Top View) Si4702/03-GM NC GPIO1 GPIO2 GPIO3 VA NC 1 20 19 18 17 1.

Features

 This data sheet applies to Si4702/03-C Firmware 19 and greater
 Worldwide FM band support (76
  –108 MHz)
 Digital low-IF receiver
 Frequency synthesizer with integrated VCO
 Seek tuning
 Automatic frequency control (AFC)
 Automatic gain control (AGC)
 Excellent overload immunity
 Signal strength measurement
 Programmable de-emphasis (50/75 µs)
 Adaptive noise suppression
 Volume control
 Line-level analog output
 32.768 kHz reference clock
 2-wire and 3-wire control interface
 2.7 to 5.5 V supply voltage
 Integrated LDO regulator allows direct connection to battery
 3 x 3 mm.