MAX44007

Low-Power Digital Ambient Light Sensor with Enhanced Sensitivity

Simplifies System Design
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This product is Not Recommended for New Designs. Some versions may be No Longer Available or being discontinued and subject to Last Time Buy, after which new orders can not be placed. See Ordering Information for details.

Description

The MAX44007 ambient light sensor features an I²C digital output that is ideal for a number of portable applications such as smartphones, notebooks, and industrial sensors. At less than 1µA operating current, it is the lowest power ambient light sensor in the industry and features an ultra-wide 22-bit dynamic range from 0.025 lux to 104,448 lux.

Low-light operation allows easy operation in dark glass applications.

The on-chip photodiode's spectral response is optimized to mimic the human eye's perception of ambient light and incorporates IR and UV blocking capability. The adaptive gain block automatically selects the correct lux range to optimize the counts/lux.

The IC includes two I²C slave address options: 1011 010x and 1011 011x.

The IC is designed to operate from a 1.7V to 3.6V supply voltage range and consumes only 0.65µA in full operation. It is available in a small, 2mm x 2mm x 0.6mm UTDFN-Opto package.

Data Sheet

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Key Features

  • Wide 0.025 Lux to 104,448 Lux Range
  • Small, 2mm x 2mm x 0.6mm UTDFN-Opto
  • VCC = 1.7V to 3.6V
  • ICC = 0.65µA Operating Current
  • -40°C to +85°C Temperature Range
  • Improved Sensitivity Behind Dark Glass
 

Applications/Uses

  • Cellular Phones/Smartphones
  • Digital Lighting Management
  • Portable Devices
  • Security Systems
  • Tablet PCs/Notebook Computers
  • TVs/Projectors/Displays
   

Diagram

MAX44007: Typical Application Circuit
Typical Application Circuit

More Information

Topmark Coding MAX44007
New Product Press Release   2011-02-16 ]

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Document Ref.: 19-5492 Rev 1; 2011-07-07
This page last modified: 2011-07-07