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Light sensor from Vishay measures UVA, UVB light intensity

Posted: 05 May 2016     Print Version  Bookmark and Share

Keywords:Vishay Intertechnology  light sensor  medical  industrial  UV 

Vishay Intertechnology Inc. has announced an integrated ultraviolet (UV) light sensor aimed at the detection of UVA and UVB light intensity. The Vishay Semiconductors VEML6075 features the Filtron technology for high UV sensitivity and linearity. The device promises to save space and increases design flexibility by incorporating the circuitry needed for consumer, medical and industrial applications.

The VEML6075 integrates an IC with five sensitive areas and signal processing in a compact 2mm x 1.25mm x 1mm surface-mount package, while offering an I2C bus interface for simple operation, added the company

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The light sensor offers individual UVA and UVB channels with 16bit resolution and excellent sensitivity of 365nm and 330nm, respectively, Vishay stated. Designed to convert solar UV light intensity to digital data, the VEML6075 provides a measurement of signal strength and allows for true UVI calculation in smartphones, smart watches, sport bands, notebook computers and weather stations. The UVI value indicates how much UV radiation will reach human skin when outside, allowing precautions to be taken to avoid sunburns in the short term and skin cancer in the long term.

The VEML6075 flaunts excellent performance under long-term solar UV exposure and offers high temperature compensation stability from -40°C to 85°C. The device features a shutdown mode that reduces power consumption to 800nA, and an operating voltage range of 1.7V to 3.6V, geared for portable electronics and wearable devices. Offered in a lead (Pb)-free, 4-pin OPLGA package, the VEML6075 is RoHS-compliant, halogen-free and Vishay Green.

Samples and production quantities of the UVA and UVB light sensor are available with lead times of 12 weeks for large orders.





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