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