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NOA1212 Datasheet PDF - ON Semiconductor

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The NOA1212 is a very low power ambient light sensor (ALS) with an analog current output and a power down mode to conserve power. Designed primarily for handheld device applications, the active power dissipation of this chip is less than 8 A at dark and its quiescent current consumption is less than 200 pA in power down mode. The device can operate over a very wide range of voltages from 2 V to 5.5 V. 

• Senses Ambient Light and Provides an Output Current Proportional
   to the Ambient Light Intensity
• Photopic Spectral Response
• Dynamic Dark Current Compensation
• Three Selectable Output Current Gain Modes in Approximately 10x
• Power Down Mode
• Less than 18 μA 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 Voltage Range (2 V to 5.5 V)
• Wide Operating Temperature Range (−40°C to 85°C)
• Drop−in Replacement Device in 1.6 x 1.6 mm Package
• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS

• Saves display power in applications such as:
   ♦ Cell Phones, PDAs, MP3 players, GPS
   ♦ Cameras, Video Recorders
   ♦ Mobile Devices with Displays or Backlit Keypads
   ♦ Laptops, Notebooks, Digital Signage
   ♦ LCD TVs and Monitors, Digital Picture Frames
   ♦ Automobile Dashboard Displays and Infotainment
   ♦ LED Indoor/Outdoor Residential and Street Lights


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