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SI4012-C1001AT Folha de dados(PDF) 9 Page - Silicon Laboratories |
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SI4012-C1001AT Folha de dados(HTML) 9 Page - Silicon Laboratories |
9 / 50 page Si4012 Rev 1.1 9 3. Functional Description Figure 1. Si4012 Functional Block Diagram The Si4012 is a fully-integrated, crystal-less, sub-GHz CMOS RF transmitter offering industry-leading RF performance, high integration, flexibility, low BOM, small board area, and ease of design. The device is designed to operate with any host MCU via a serial interface while optimized for battery-powered applications. The Si4012 operates from voltages ranging from 1.8 to 3.6 V and offers an ultra-low standby current consumption of less than 10 nA. The embedded power amplifier can be programmed to supply from –13 dBm up to +10 dBm, while the patented automatic antenna tuning circuit ensures that the resonant frequency and impedance matching between the PA output and the connected antenna are configured for optimum transmit efficiency and low harmonic content. Users may configure the device for either FSK or OOK modulation with supported symbol rates of up to 100 kbps. To ensure the lowest system cost, the Si4012 can be used without an external crystal or frequency reference by leveraging Silicon Labs' patented and proven crystal-less oscillator technology. This technology offers better than ±150 ppm carrier frequency stability over the temperature range of 0 to +70 °C and ±250 ppm carrier frequency stability over the industrial temperature range of –40 to + 85 °C. No production alignments are necessary since all RF functions are integrated into the device. Si4012 XTAL LED LCOSC PA Divider XTAL OSC Auto Tune FSK OOK LPOSC LDO POR BANDGAP VA VD TXP TXM VDD GND RF Analog Core Antenna Tune Modulator SMBus Interface Digital Logic TX 255 Byte Data FIFO Register Bank Digital Controller Battery Monitor Host MCU |
Nº de peça semelhante - SI4012-C1001AT |
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Descrição semelhante - SI4012-C1001AT |
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