VCNL4040M3OE-H5 Sensors, Transducers

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Optical Sensors - Ambient Light, IR, UV Sensors

The VCNL4040M3OE-H5 is an ambient light, infrared, and ultra-violet (UV) sensor that measures light in both the visible and invisible wavelengths. It is a single-chip device designed to detect ambient light from ambient light sources including incandescent, LED, fluorescent, and halogen lamps. With its built-in IR photodiode, the VCNL4040M3OE-H5 can measure ambient light levels down to 0.1 µW/cm² with excellent accuracy.

The sensor’s main application is ambient light sensing for applications like optical switches, light intensity sensing for display backlighting control, and temperature/humidity sensing for environmental control systems. Additionally, due to its built-in photodiode, it can also be used for proximity sensing, such as gesture recognition. Its wide sensing range, low power consumption, high level of accuracy, and low noise make it ideal for a variety of ambient light sensing applications, both indoors and outdoors.

The VCNL4040M3OE-H5 works by sampling the light intensity of its sensing element and then transmitting it to the host processor. The measurement range of the sensor is 0.1 to 6100 lx, and it is highly sensitive to both visible and invisible infrared radiation. The output of the sensor is read through an I2C interface, and the sampling rate can be adjusted up to 2000x/second.

The device features an adaptive sensitivity technology which can adjust the resolution of the sensor to provide the most accurate output for each application. The low power consumption of the VCNL4040M3OE-H5 means that it can be left on for extended periods of time without draining the batteries, which is particularly useful for applications with very low light levels. Furthermore, the low noise of the device makes it very suitable for use in extremely sensitive projects.

Overall, the VCNL4040M3OE-H5 is a reliable, accurate, and low-power ambient light sensor that can be used in a variety of applications. Its wide range of operation and excellent accuracy make it an ideal choice for ambient light sensing, as well as for various proximity sensing applications. Its low noise and low power consumption make it an ideal choice for a wide variety of applications, including those requiring extended operation times.

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