功能：
美国进口IC
单FM功能+RDS/RBDS
QFN20 3mm*3mm
应用领域：
车机
车机U盘机
组合音响
Bommbox
Portable
MP3/MP4
Features
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
Consumer electronics
