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SI4312-B10-GMR 데이터시트(PDF) 1 Page - Silicon Laboratories |
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SI4312-B10-GMR 데이터시트(HTML) 1 Page - Silicon Laboratories |
1 / 22 page Rev. 0.5 3/10 Copyright © 2010 by Silicon Laboratories Si4312 This information applies to a product under development. Its characteristics and specifications are subject to change without notice. Si4312 315/433.92 M H Z OOK R ECEIVER Features Applications Description The Si4312 is a fully-integrated OOK CMOS RF receiver that operates in the unlicensed 315 and 433.92 MHz ultra high frequency (UHF) bands. It is designed for high-volume, cost-sensitive RF receiver applications, such as set-top box RF receivers, remote controls, garage door openers, home automation, security, remote keyless entry systems, wireless POS, and telemetry. The Si4312 offers industry-leading RF performance, high integration, flexibility, low BOM, small board area, and ease of design. No production alignment is necessary as all RF functions are integrated into the device. Functional Block Diagram Single chip receiver with only six external components Selectable 315/433.92 MHz carrier frequency Supports OOK modulation High sensitivity (–110dBm @ 1.0kbps) Frequency scanning Excellent interference rejection Data rates up to 10 kbps NRZ (5 kbps Manchester) Direct battery operation with on- chip low drop out (LDO) voltage regulator 16 MHz crystal oscillator support 3x3x0.85 mm 20L QFN package (RoHS compliant) –40 to +85 °C temperature range Satellite set-top box receivers Remote controls, IR replacement/extension Garage and gate door openers Home automation and security Remote keyless entry After market alarms Telemetry Wireless point of sale Toys Si4312 RX_IN AGC Antenna LDO VDD GND 2.7 – 3.6 V LNA XTAL OSC RST RATIO ADC ADC PGA DSP MCU BASEBAND PROCESSOR SQUELCH 16 MHz FREQ SCAN 315/434 TH[1:0] DOUT BT[1:0] Patents pending Ordering Information: See page 15. Pin Assignments GND PAD 1 2 3 17 18 19 20 11 12 13 14 6 7 8 9 4 5 16 10 15 BT0 BT1 DOUT GND RATIO VDD RST VDD RFGND RX_IN Si4312 (Top View) |
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