APDS-9130-140

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Optical sensors are typically used to measure the intensity of light in an environment. The common types of optical sensors include ambient light sensors, infrared (IR) sensors, and ultraviolet (UV) sensors.

The APDS-9130-140 is a digital ambient light sensor capable of measuring low to high levels of ambient light intensity in a range of 0.45 to 68,000 lux. It features a low supply voltage of 1.2 to 3.6V, as well as an operating temperature range of -35 to +85°C. The APDS-9130-140 also has a low power consumption of 2.2mW at standard levels and 2.5mW at peak levels. Moreover, it also offers excellent noise immunity, which makes it suitable for ambient light sensing in both commercial and industrial environments.

The sensor also offers light-to-frequency and light-to-digital conversion for accurate sensing of low light levels. It can filter out visible and infrared light with a proprietary blocking filter that allows it to measure only the visible portion of light from 400 to 700 nanometers. This filter is also suitable for measuring sunlight and artificial light and provides a rigid protection from harmful radiation and lighting.

The APDS-9130-140 works on an output mode principle, where it measures the ambient light levels and outputs a digital signal to a controlling device such as a microcontroller. Its operating frequency is determined by the capacitance of the infrared blocking filter and by the surrounding ambient light levels. The frequency output is proportional to the light intensity measured by the sensor through its light-to-frequency conversion. The output of the sensor is then sampled by the microcontroller and used to determine the ambient light levels.

The APDS-9130-140 is used in a variety of applications areas, including night vision systems, camera exposure control systems, digital white-balance systems, vehicle navigation systems, light intensity monitors, security systems, and other automation systems. It is also used in media players, tablets, smartphones, and other portable electronic devices that require ambient light sensing.

The APDS-9130-140 is a high-performance digital ambient light sensor that is suitable for a wide range of applications. Its high sensitivity and low power consumption make it popular in a variety of applications, ranging from industrial automation to consumer electronics. The sensor’s excellent noise immunity and robust blocking filter make it a good choice for accurately measuring ambient light levels.

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