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LX1973

Microsemi Corporation
Part Number LX1973
Manufacturer Microsemi Corporation
Description Automotive Light Sensor
Published Apr 4, 2010
Detailed Description www.DataSheet4U.com TM ® LX1973 Automotive Light Sensor P RODUCTION D ATA S HEET DESCRIPTION KEY FEATURES Human Eye ...
Datasheet PDF File LX1973 PDF File

LX1973
LX1973

Overview
www.
DataSheet4U.
com TM ® LX1973 Automotive Light Sensor P RODUCTION D ATA S HEET DESCRIPTION KEY FEATURES Human Eye Spectral Response 25C Dark Current < 0.
005 lux 5 Decades Compressed Output 10% Accuracy Over Temperature ƒ Scalable Output Voltage ƒ No Optical Filters Needed ƒ ƒ ƒ ƒ The LX1973 is a wide dynamic range light sensor with a very low dark current that is optimized for sensing low level light signals that typically occur under dark or darkening outdoor ambient lighting.
The LX1973 has been optimized for automotive systems such as headlamp brightness control or rear view mirror contrast control.
Its radical (fractional exponent) response when interfaced with an 8 bit DAC can detect levels down to 0.
001 lux or levels as high as 500 lux.
The spectral response of the integrated light sensor closely emulates the human eye so it ignores light such as infrared which emits energy but doesn’t aid vision.
This eliminates the need for an Infrared filter required with competitor’s l...


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