LTR-390UV-01

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Optical sensors convert light energy into electrical signals which can then be used to measure ambient light, infrared light and ultraviolet light. One example of an optoelectronic device is the LTR-390UV-01, a general purpose, digital light-to-frequency converter which accurately measures and converts ultraviolet light into an output frequency.

The LTR-390UV-01 offers high output linearity, which mean that it can be used for a wide range of applications including medical ultraviolet analysis, solar cell production and laboratory testing. It is also capable of handling input levels up to 10,000 μW/cm2 where accuracy remains in the 0.1% range.

The working principle of the LTR-390UV-01 is based on its internal light-to-frequency converter circuit, which is used to detect and accurately convert the input ultraviolet light signal into a frequency proportional to the light intensity. The output frequency is regulated by an integrated ASIC, which ensures that the output frequency remains accurate over changes in temperature.

The LTR-390UV-01 is powered by a 5V DC supply and interfaces with a microcontroller via a digital output or analogue output. The analog output provides a 0-5V DC voltage whose amplitude is proportional to the light intensity detected in the ultraviolet range. The digital output provides a square wave signal that is proportional to the light intensity.

The LTR-390UV-01 is designed to work in the 280 nanometer to 410 nanometer wavelength range, and can accurately detect and measure light in any point within this range. It is also designed to operate in a wide range of temperatures (-20°C to +85°C), meaning that it can be used outdoors in hazardous environments.

Due to its wide-ranging applications and reliable performance, the LTR-390UV-01 provides an excellent choice for ambient light, infrared light and ultraviolet light sensing and measurement. Its accuracy, reliability, and temperature range make it an ideal choice for a variety of applications.

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