Vishay - VEML6070: UV Light Sensor with I²C Interface

Vishay – VEML6070: UV Light Sensor with I²C Interface

VEML6070 is an advanced ultraviolet (UV) light sensor with I²C protocol interface and designed by the CMOS process. It is easily operated via a simple I²C command. The active acknowledge (ACK) feature with threshold windows setting allows the UV sensor to send out a UVI alert message. Under a strong solar UVI condition, the smart ACK signal can be easily implemented by the software programming.

VEML6070 incorporates a photodiode, amplifiers, and analog / digital circuits into a single chip. VEML6070’s adoption of FiltronTM UV technology provides the best spectral sensitivity to cover UV spectrum sensing. It has an excellent temperature compensation and a robust refresh rate setting that does not use an external RC low pass filter. VEML6070 has linear sensitivity to solar UV light and is easily adjusted by an external resistor. Software shutdown mode is provided, which reduces power consumption to be less than 1 μA. VEML6070’s operating voltage ranges from 2.7 V to 5.5 V.

Features

Package type: surface mount
Dimensions (L x W x H in mm): 2.35 x 1.8 x 1.0
Integrated modules: ultraviolet sensor (UV), and signal conditioning IC
Converts solar UV light intensity to digital data
Excellent UV sensitivity and linearity via FiltronTM technology
Excellent performance of UV radiation measurement under long time solar UV exposure
Excellent temperature compensation
High dynamic detection resolution
Standard I²C protocol interface
Support acknowledge feature (ACK)
Immunity on fluorescent light flicker software shutdown mode control
Package: OPLGA
Temperature compensation: -40 °C to +85 °C
Floor life: 168 h, MSL 3, according to J-STD-020
Output type: I²C bus
Operation voltage: 2.7 V to 5.5 V