Opto-Electronics


UV light sensor

8 April 2015 Opto-Electronics

Vishay introduced a new integrated ultraviolet (UV) light sensor featuring Filtron UV technology for high UV sensitivity and linearity.

Designed to convert solar UV light intensity to digital data in consumer, medical and industrial applications, the VEML6070 incorporates a photo-pin-diode and signal processing IC in a compact 2,35 by 1,8 by 1,0 mm surface-mount package while offering an I²C bus interface for simple operation.

The device is optimised for UV detection in smartphones, health monitoring and fitness products, flame detectors and weather stations, and saves space by incorporating the circuitry needed for these applications in one compact unit. A robust refresh rate setting lowers costs and simplifies designs by eliminating the need for an external RC low-pass filter.

The VEML6070 offers high dynamic detection resolution and excellent performance under long-term solar UV exposure, while an active acknowledge (ACK) feature with threshold window settings sends out UVI alert messages under strong solar conditions.

The sensor’s built-in photo-pin-diode offers spectral sensitivity from 280 nm to 400 nm, with a peak sensitivity wavelength of 355 nm. It provides fluorescent light flicker immunity, a software shutdown mode to reduce power consumption to below 1 µA, and excellent temperature compensation stability from -40°C to +85°C. It features an operating voltage and I²C bus voltage range of 2,7 V to 5,5 V and is offered in a lead-free OPLGA package.

For more information contact EBV Electrolink, +27 (0)21 402 1940, [email protected], www.ebv.com



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