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ISL29038IROZ-T7

Ambient Light and Proximity Sensor 8Pin ODFN EP T/R

The ISL29038 is a low power Ambient Light Sensor ALS and proximity PROX sensor. It has a built-in IR-LED driver for proximity function. The ALS function measures the amount of light in the visible spectrum incident on the ISL29038.

The ALS function has a programmable ambient IR-rejection, which allows fine tuning of light source variations and is ideal for light sensor applications under dark protective glass. The ALS provides a 12-bit measurement. A passive optical filter removes unwanted wavelengths IR or Ultraviolet to ensure accurate ALS measurement.

Features

• Ideal for applications under dark or tinted glass

• Enhanced ambient sunlight rejection to 40k Lux

• Programmable proximity sleep time between proximity measurements optimizes power consumption

• Hardware interrupt - no polling required

• Programmable IR compensation to fine tune ALS performance for various glass compositions

• Up to 4000 Lux, four selectable ALS ranges

• Programmable IR LED drive current to 250mA

• Operates from 2.25V to 3.63V VDD

• Power-down IDD, typical 0.2µADC

• Tiny 2.1x2.0x0.7 mm ODFN package

Applications

• Display dimming and adjustment

   - Mobile devices: smart phones, PDA, GPS

   - Computing: monitors, laptops, notebooks

   - Picture frames, tablet_PCs, LCD_TV

• Object detection

   - Touchscreen disabling

   - Smart power-saving

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