Ambient Light Sensors | NOA1213

Ambient Light Sensor withDark Current Compensation

Obsolete

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Overview

The NOA1213 is a very low power ambient light sensor (ALS) withan analog current output and a power down mode to conserve power.Designed primarily for handheld device applications, the active powerdissipation of this chip is less than 8 A at dark and its quiescentcurrent consumption is less than 200 pA in power down mode. Thedevice can operate over a very wide range of voltages from 2 V to5.5 V. The NOA1213 employs proprietary CMOS image sensingtechnology from ON Semiconductor, including built−in dynamic darkcurrent compensation to provide large signal to noise ratio (SNR) andwide dynamic range (DR) over the entire operating temperature range.The photopic optical filter provides a light response similar to that ofthe human eye. Together the photopic light response and dark currentcompensation insures accurate light level detection.

  • Mobile Devices with Displays or Backlit Keypads
  • Saves display power in applications such as: Cell Phones, PDAs, MP3 players, GPS, Cameras, Video Recorders
  • LCD TVs and Monitors, Digital Picture Frames
  • Laptops, Notebooks, Digital Signage

  • Cell phones, PDAs, MP3 players, GPS
  • Internet Mobile Devices (IMD)
  • Mobile devices with displays or backlit keypads
  • Cameras, video recorders

  • Photopic Spectral Response
  • Senses Ambient Light and Provides an Output Current Proportional to the Ambient Light Intensity
  • Dynamic Dark Current Compensation
  • Three Selectable Output Current Gain Modes in Approximately 10x Steps
  • Power Down Mode
  • Less than 18 A at 100 lux Active Power Consumption in Medium Gain Mode (Less than 8 A at Dark)
  • Less than 200 pA Quiescent Power Dissipation in Power Down Mode at All Light Levels
  • Linear Response Over the Full Operating Range
  • Senses Intensity of Ambient Light from ~0 lux to Over 100,000 lux
  • Wide Operating Temperature Range (−40°C to 85°C)
  • These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant
  • Drop−in Replacement Device in 1.6 x 1.6 mm Package

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NOA1213CUTAG

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Obsolete

CAD Model

Pb

A

H

P

CUDFN-6

505AL

3

260

REEL

2500

64

Analog

2

5.5

-40

85

Price N/A

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