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SI4705-D50 Datasheet(PDF) 1 Page - Silicon Laboratories |
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SI4705-D50 Datasheet(HTML) 1 Page - Silicon Laboratories |
1 / 34 page Rev. 1.0 12/10 Copyright © 2010 by Silicon Laboratories Si4704/05-D50 Si4704/05-D50 B ROADCAST FM R ADIO R ECEIVER FOR C ONSUMER E LECTRONICS Features Applications 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. Functional Block Diagram 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 *Note: *For consumer electronics applications that require EN 55020 compliance, use Si4704/05-D60. Cellular handsets Portable media devices Dedicated data receiver Personal navigation devices (PND) GPS-enabled handsets and portable devices ADC ADC Si4704/05 DSP DAC DAC ROUT LOUT AFC GPO RFGND LNA FMI AGC PGA (TYP) RCLK REG VA 2.7–5.5 V FM Antenna XTAL OSC LPI 32.768 kHz 0/90 DOUT DCLK DFS CONTROL INTERFACE RSSI RDS (Si4705) This product, its features, and/or its architecture is covered by one or more of the following patents, as well as other patents, pending and issued, both foreign and domestic: 7,127,217; 7,272,373; 7,272,375; 7,321,324; 7,355,476; 7,426,376; 7,471,940; 7,339,503; 7,339,504. Ordering Information: See page 27. Pin Assignments GND PAD 1 2 3 17 18 19 20 11 12 13 14 6 7 8 9 4 5 16 10 15 DOUT LOUT ROUT GND RST NC LPI VA FMI RFGND Si4704/05-GM (Top View) |
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