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LX1973B - Automotive Light Sensor

General Description

The LX1973B is a wide dynamic The LX1973B internal circuitry range light sensor with a very low consists of a diode array with dark current that is optimized for Microsemi’s Best Eye™ processing that sensing low level light signals that provides a nearly perfect photopic light typically occur u

Key Features

  • Nearly Perfect Best Eye™ Human Eye Spectral Response.
  • Dark Current < 0.0005 Lux (@ 25°C).
  • 5 Decades Compressed Output.
  • 10% Accuracy Over Temperature.
  • Scalable Output Voltage.
  • No Optical Filters Needed.

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LX1973B ® Automotive Light Sensor TM PRODUCTION DATA SHEET WWW.Microsemi .COM DESCRIPTION The LX1973B is a wide dynamic The LX1973B internal circuitry range light sensor with a very low consists of a diode array with dark current that is optimized for Microsemi’s Best Eye™ processing that sensing low level light signals that provides a nearly perfect photopic light typically occur under dark or darkening wavelength response curve. The sensor outdoor ambient lighting. output feeds into a wide dynamic range The LX1973B has been optimized compression amplifier that provides for automotive systems such as accurate resolution over five decades of headlamp brightness control or rear ambient light. The integrated dark view mirror contrast control.