
Silicon Laboratories
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