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SI4710-B30 Scheda tecnica(PDF) 1 Page - Silicon Laboratories |
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SI4710-B30 Scheda tecnica(HTML) 1 Page - Silicon Laboratories |
1 / 40 page Rev. 1.1 2/08 Copyright © 2008 by Silicon Laboratories Si4710/11 Si4710/11 -B30 Si4710/11 -B30 FM R ADIO TRANSMITTER Features Applications Description The Si4710/11 integrates the complete transmit functions for standards- compliant unlicensed FM broadcast stereo transmission. Users must comply with local regulations on radio frequency (RF) transmission. Functional Block Diagram 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 (Si4711 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 Cellular handsets/hands-free MP3 players Portable media players Wireless speakers/microphone Satellite digital audio radios Personal computers/notebooks ADC ADC Si4710/11 DSP DAC DAC CONTROL INTERFACE GPO RDS (Si4711 ) LDO VDD GND 2.7–5.5 V C1 22 nF LIN RIN Tx Ant TXO DIN DFS AFC L1 120 nH RFGND DIGITAL AUDIO Patents pending Note: To ensure proper operation and performance, follow the guide- lines in “AN383: Universal Antenna Selection and Layout Guidelines.” Silicon Laboratories will evaluate schematics and lay- outs for qualified customers. Ordering Information: See page 32. Pin Assignments GND PAD 1 2 3 17 18 19 20 11 12 13 14 6 7 8 9 4 5 16 10 15 RIN DFS DIN GND RST NC TXO VDD NC RFGND Si4710/11 (Top View) |
Codice articolo simile - SI4710-B30 |
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Descrizione simile - SI4710-B30 |
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