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Si1145 - PROXIMITY/UV/AMBIENT LIGHT SENSOR

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 proxim

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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Datasheet preview – Si1145

Datasheet Details

Part number Si1145
Manufacturer Silicon Laboratories
File Size 812.22 KB
Description PROXIMITY/UV/AMBIENT LIGHT SENSOR
Datasheet download datasheet Si1145 Datasheet
Additional preview pages of the Si1145 datasheet.

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Full PDF Text Transcription

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Si1145/46/47 PROXIMITY/UV/AMBIENT LIGHT SENSOR IC WITH I2C INTERFACE 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 50 cm proximity range with single Internal and external wake support pulse (<3 klx) Built-in voltage supply monitor and 15 cm proximity range with single power-on reset controller pulse (>3 klx) 25.
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