Si1146, Si1145 - PROXIMITY/UV/AMBIENT LIGHT SENSOR

Silicon Laboratories

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Si1146 Datasheet Preview — This datasheet PDF includes multiple part numbers: Si1146, Si1145. Please refer to the document for exact specifications by model.

Datasheet Details

Part number	Si1146, Si1145
Manufacturer	Silicon Laboratories
File Size	812.22 KB
Description	PROXIMITY/UV/AMBIENT LIGHT SENSOR
Datasheet	Si1145-SiliconLaboratories.pdf
Note	This datasheet PDF includes multiple part numbers: Si1146, Si1145. Please refer to the document for exact specifications by model.

Si1146 Product details

Description

Valve controls Smoke detectors Touchless switches Touchless sliders Occupancy sensors Consumer electronics Industrial automation Display backlighting control Photo-interrupters The Si1145/46/47 is a low-power, reflectance-based, infrared proximity, ultraviolet (UV) index, and ambient light sensor with I2C digital interface and programmableevent interrupt output.This touchless sensor IC includes an analog-to-digital converter, integrated hi

Features

Integrated infrared proximity detector.
Integrated UV index sensor.
Proximity detection adjustable from.
Industry's lowest power consumption under 1 cm to over 50 cm.
1.71 to 3.6 V supply voltage.
Three independent LED drivers.
9 µA average current (LED pulsed.
15 current settings from 5.6 mA to 25.6 µs every 800 ms at 180 mA 360 mA for each LED driver plus 3 µA Si114x supply).
25.6 µs LED driver pulse width.
< 500 nA standby current.

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Published: Feb 15, 2015 |