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SI1141 - PROXIMITY/AMBIENT LIGHT SENSOR IC

This page provides the datasheet information for the SI1141, a member of the SI1143 PROXIMITY/AMBIENT LIGHT SENSOR IC family.

Datasheet Summary

Description

The Si1141/42/43 is a low-power, reflectance-based, infrared proximity and ambient light sensor with I2C digital interface and programmable-event interrupt output.

Features

  • Pin Assignments.
  • QuickSense™ integrated infrared proximity detector.
  • Proximity detection adjustable from under 1 cm to over 1 m.
  • 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.
  • 500 mm proximity range with single pulse (2.5 klx).
  • Operates at up to 128 klx (direct sunlight).
  • Minimum reflectance sensitivity < 1 µW/cm2.

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Datasheet preview – SI1141

Datasheet Details

Part number SI1141
Manufacturer Silicon Laboratories
File Size 1.17 MB
Description PROXIMITY/AMBIENT LIGHT SENSOR IC
Datasheet download datasheet SI1141 Datasheet
Additional preview pages of the SI1141 datasheet.

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Full PDF Text Transcription

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Si 11 4 1 / 4 2 /43 P R O X I M I T Y /A M BI E N T L I G H T S E N S O R I C WI T H I 2 C I N T E R F A C E Features Pin Assignments  QuickSense™ integrated infrared proximity detector Proximity detection adjustable from under 1 cm to over 1 m 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  500 mm proximity range with single pulse (<2.5 klx) 150 mm proximity range with single pulse (>2.
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