
Skyworks Solutions
Description
The Si4702/03 integrates the complete tuner function from antenna input to stereo audio output for FM broadcast radio reception.
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 20-pin QFN package
•Pb-free/RoHS compliant
◾ RDS/RBDS Processor
(Si4703)
◾ Integrated crystal oscillator
APPLICATIONs
◾ Cellular handsets
◾ MP3 players
◾ Portable radios
◾ USB FM radio
◾ PDAs
◾ Notebook PCs
◾ Portable navigation
◾ Consumer electronics