
Skyworks Solutions
Description
The Si4708/09 is the worlds smallest FM broadcast receiver, integrating the complete tuner function from antenna input to stereo audio output with RDS (Si4709).
FEATUREs
◾Worldwide FM band support
(76–108 MHz)
◾Digital low-IF receiver
◾Frequency synthesizer with
integrated VCO
◾Adjustable 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
◾Adjustable soft mute
◾Volume control
◾Line-level analog output
◾32.768 kHz reference clock
◾2-wire and 3-wire control
interface
◾2.7 to 5.5 VD supply voltage
◾2.7 to 5.5 VA supply voltage
◾Integrated LDO regulator allows
direct connection to battery
◾2.5 x 2.5 mm 16-pin QFN
package
• Pb-free/RoHS compliant
◾RDS/RBDS Processor (Si4709)
APPLICATIONs
◾Cellular handsets
◾MP3 players
◾Portable radios
◾Portable navigation
◾Consumer electronics
◾Mobile Internet
devices
◾USB FM radio
◾PDAs
◾Notebook PCs
◾Net PCs