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SI1145-M01 Folha de dados(PDF) 1 Page - Silicon Laboratories |
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SI1145-M01 Folha de dados(HTML) 1 Page - Silicon Laboratories |
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1 / 70 page  Rev. 1.0 11/14 Copyright © 2014 by Silicon Laboratories Si1145/46/47-M01 Si1145/46/47-M01 P ROXIMITY/UV/A MBIENT L IGHT S ENSOR M ODULE WITH I 2C I NTERFACE Features Applications Description The Si1145/46/47-M01 is a low-power, reflectance-based, proximity, UV Index and ambient light module with integrated single IR LED, two additional LED driver outputs, I2C digital interface, and programmable-event interrupt output. This touchless sensor module includes an analog-to-digital converter, integrated high- sensitivity visible and infrared photodiodes, digital signal processor, and three integrated infrared LED drivers with fifteen selectable drive levels. The Si1145/46/47- M01 offers excellent performance under a wide dynamic range and a variety of light sources including direct sunlight. The Si1145/46/47-M01 can also work under dark glass covers. The photodiode response and associated digital conversion circuitry provide excellent immunity to artificial light flicker noise and natural light flutter noise. With two or more LEDs, the Si1145/46/47-M01 is capable of supporting multiple-axis proximity motion detection. The Si1145/46/47-M01 devices are provided in a 10-lead 4.9x2.85x1.2 mm QFN package and are capable of operation from 1.71 to 3.6 V over the –40 to +85 °C temperature range. Integrated infrared proximity detector Proximity detection adjustable from under 1 cm to over 50 cm Three independent LED drivers 15 current settings from 5.6 mA to 360 mA for each LED driver 25.6 µs LED driver pulse width 50 cm proximity range with single pulse (<3 klx) 15 cm proximity range with single pulse (>3 klx) Operates at up to 128 klx (direct sunlight) High reflectance sensitivity < 1 µW/cm2 High EMI immunity without shielded packaging Integrated UV index sensor Integrated ambient light sensor 100 mlx resolution possible, allowing operation under dark glass 1 to 128 klx dynamic range possible across two ADC range settings Accurate lux measurements with IR correction algorithm Industry's lowest power consumption 1.71 to 3.6 V supply voltage 9 µA average current (LED pulsed 25.6 µs every 800 ms at 180 mA plus 3 µA Si1145/46/47-M01 supply) < 500 nA standby current Internal and external wake support Built-in voltage supply monitor and power-on reset controller 25.6 µs LED “on” time keeps total power consumption duty cycle low without compromising performance or noise immunity IR LED integrated inside the module I2C Serial communications Up to 3.4 Mbps data rate Slave mode hardware address decoding (0x60) Small-outline 10-lead 4.9x2.85x1.2 mm QFN Temperature Range –40 to +85 °C Handsets Heart rate monitoring Pulse oximetry Wearables E-book readers Notebooks/Netbooks Portable consumer electronics Touchless switches Touchless sliders Consumer electronics Display backlighting control Pin Assignments Si114x-M01 1 2 7 8 9 10 3 4 6 5 LEDA LED1 GND VDD SCL LED3/CVDD DNC SDA LED2/CVDD INT |
Nº de peça semelhante - SI1145-M01 |
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Descrição semelhante - SI1145-M01 |
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