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SI4703-B17 数据表(PDF) 1 Page - Silicon Laboratories |
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SI4703-B17 数据表(HTML) 1 Page - Silicon Laboratories |
1 / 42 page Confidential Rev. 1.0 1/07 Copyright © 2007 by Silicon Laboratories Si4703-B17 This information applies to a product under development. Its characteristics and specifications are subject to change without notice. Silicon Laboratories Confidential. Information contained herein is covered under non-disclosure agreement (NDA). Si4703-B17 B ROADCAST FM R ADIO TUNER FOR P ORTABLE A PPLICATIONS Features Applications Description The Si4703 integrates the complete tuner function from antenna input to stereo audio output for FM broadcast radio reception. Functional Block Diagram This data sheet applies to Si4703 Firmware 17 and greater Worldwide FM band support (76–108 MHz) Digital low-IF receiver Frequency synthesizer with integrated VCO Seek tuning Automatic frequency control (AFC) Automatic gain control (AGC) Excellent overload immunity Signal strength measurement Programmable de-emphasis (50/75 µs) Adaptive noise suppression Volume control Line-level analog output 32.768 kHz reference clock 2-wire and 3-wire control interface 2.7 to 5.5 V supply voltage Integrated LDO regulator allows direct connection to battery 3 x 3 mm 20-pin QFN package Pb-free/RoHS compliant RDS/RBDS Processor Integrated crystal oscillator Cellular handsets MP3 players Portable radios USB FM radio PDAs Notebook PCs Portable navigation Automotive Consumer electronics VIO I ADC Q ADC Si4703 DSP FILTER DEMOD MPX AUDIO SCLK SDIO SEN DAC DAC ROUT LOUT 0 / 90 LOW-IF RSSI TUNE GPIO GPIO RST RFGND LNA FMIP AFC AGC PGA RCLK REG VA VD 32.768 kHz 2.7–5.5 V Headphone Cable RDS XTAL OSC Patents pending Notes: 1. To ensure proper operation and FM receiver performance, follow the guidelines in “AN231: Si4700/01/02/03 Headphone and Antenna Interface.” Silicon Laboratories will evaluate schematics and layouts for qualified customers. 2. Place Si4703 as close as possible to antenna jack and keep the FMIP trace as short as possible. Ordering Information: See page 35. Pin Assignments (Top View) Si4703-GM GND PAD 1 GND LOUT ROUT RST NC GND GND FMIP RFGND VD 2 5 4 3 6 15 12 13 14 7 10 9 8 11 17 18 19 20 16 |
类似零件编号 - SI4703-B17 |
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类似说明 - SI4703-B17 |
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