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Si1147 Datasheet PROXIMITY/UV/AMBIENT LIGHT SENSOR

Manufacturer: Silicon Laboratories

Download the Si1147 datasheet PDF. This datasheet also includes the Si1145 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (Si1145-SiliconLaboratories.pdf) that lists specifications for multiple related part numbers.

General 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

Overview

Si1145/46/47 PROXIMITY/UV/AMBIENT LIGHT SENSOR IC WITH I2C INTERFACE.

Key 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.

More Datasheets from Silicon Laboratories

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Si1146 PROXIMITY/UV/AMBIENT LIGHT SENSOR