Description

The Si4704/05-D50 FM/RDS/RDBS receivers provide the highest performance and lowest power consumption available for portable devices today. The 100 CMOS IC integrates the complete FM and data receiver function from antenna to analog or digital audio and data out in a single 3 x 3 mm 20-pin QFN.

Features

■ Worldwide FM band support (64–108 MHz)

■ RDS/RBDS decoding engine (Si4705 only)

■ Lowest power consumption

■ Received signal quality indicators

■ On-chip tuned resonance for embedded antenna support

■ Multipath detection and mitigation

■ FM Hi-cut control

■ Advanced FM stereo-mono blend

■ Advanced audio processing

■ Not EN 55020 compliant*

■ Automatic gain control (AGC)

■ Integrated FM LNA

■ Image-rejection mixer

■ Frequency synthesizer with integrated VCO

■ Low-IF direct conversion with no external ceramic filters

■ 2.7 to 5.5 V supply voltage

■ Dual 1.8 and 2.7 V power supplies

■ Stereo audio out

■ I2S Digital audio out

■ 20-pin 3 x 3 mm QFN package

● Pb-free/RoHS compliant

Applications

■ Cellular handsets

■ Portable media devices

■ Dedicated data receiver

■ Personal navigation devices (PND)

■ GPS-enabled handsets and portable devices