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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Reference Price

NOA1213CUTAG

Obsolete

CUDFN-6

505AL

260

REEL

2500

Analog

5.5

-40

Price N/A

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Ambient Light Sensors | NOA1213

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