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Si4713

Silicon Laboratories
Part Number Si4713
Manufacturer Silicon Laboratories
Description FM RADIO TRANSMITTER
Published Nov 15, 2014
Detailed Description Si4712/13-B30 FM RADIO TRANSMITTER WITH RECEIVE POWER SCAN Features Integrated receive power measurement Worldwide FM ...
Datasheet PDF File Si4713 PDF File

Si4713
Si4713

Overview
Si4712/13-B30 FM RADIO TRANSMITTER WITH RECEIVE POWER SCAN Features Integrated receive power measurement Worldwide FM band support (76–108 MHz) Requires only two external components Frequency synthesizer with integrated VCO Digital stereo modulator Programmable pre-emphasis Analog/digital audio interface Audio silence detector Programmable reference clock RDS/RBDS encoder (Si4713 only) PCB loop and stub antenna support with self-calibrated capacitor tuning Programmable transmit level Audio dynamic range control Advanced modulation control 2.
7 to 5.
5 V supply voltage Integrated LDO regulator 3 x 3 x 0.
55 mm 20-pin QFN Pb-free and RoHS Compliant Designed for compatibility with cellular operation Applications Cellular handsets/hands-free MP3 players Portable media players Wireless speakers/microphone Satellite digital audio radios Personal computers/notebooks Description The Si4712/13-B30 integrates the complete transmit functions for standards-compliant unlicensed FM broadcast stereo transmission.
The chip also allows integrated receive power scanning to identify low signal power FM channels.
Users must comply with local regulations on radio frequency (RF) transmission.
Functional Block Diagram Si4712/13 Ordering Information: See page 34.
Pin Assignments Si4712/13-B30 (Top View) NC GPO1 GPO2/INT GPO3/DCLK LIN NC 1 20 19 18 17 16 NC 2 15 RIN RFGND 3 TXO 4 GND PAD 14 DFS 13 DIN RST 5 12 GND 6 7 8 9 10 11 VDD SEN SCLK SDIO RCLK VIO Tx Ant TXO L1 120 nH RFGND PEAK DETECT DIGITAL AUDIO DSP DAC ADC DAC ADC DIN DFS LIN RIN Patents pending Note: To ensure proper operation and performance, follow the guidelines in “AN383: Universal Antenna Selection and Layout Guidelines.
” Silicon Laboratories will evaluate schematics and layouts for qualified customers.
VDD 2.
7–5.
5 V AFC CONTROL INTERFACE GPO RDS (Si4713) LDO GND C1 22 nF RCLK VIO RST SDIO SCLK SEN GPO3/ DCLK GPO2/ INT GPO1 Rev.
1.
1 2/08 Copyright © 2008 by Silicon Laboratories Si4712/13-...


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