Unlike previous ambient light sensors, the device SFH 5711 (which works over 3 to 30,000 lux to minimize eyestrain) reacts to different frequencies of the ambient-light spectrum in the same proportion as the human eye, thus closely mimicking its visual sensitivity to color.
Device works over 3 to 30,000 lux to minimize lighting/display eyestrain .
The SFH 5711 reacts to different frequencies of the ambient-light spectrum in the same proportions as the human eye, thus closely mimicking its visual sensitivity to color. The photosensor's spectral sensitivity, combined with its logarithmic output over a broad intensity range-from 3 to 30,000 lux-lets designers create lighting and display systems that minimize eyestrain by adapting smoothly and subtly to light changes.
The sensor works from a low-power 2.3 to 5-V supply and over a –40° to 85°C range, suiting it for use in applications from mobile phones to automobiles where backlight displays must be constantly monitored and/or adjusted.
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