MLX90640ESF-BAA-000-TU

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The MLX90640ESF-BAA-000-TU is an infrared thermopile array of high-resolution temperature sensors, operating in the spectral range of 8-14 μm. Due to its high-resolution capabilities, the sensor can measure temperatures of up to 32x24 pixels in a single frame. It is an ideal solution for temperature measurement applications, such as in home automation, process control, smart energy, medical, automotive, and industrial automation systems.

The MLX90640ESF-BAA-000-TU operates in analog and digital output modes. In analog mode, the sensor’s output is an analog voltage that is proportional to the measured temperature. This voltage can be used to drive an amplifier to convert the signal to a measurable, digital signal. In digital output mode, the sensor’s output is a digital stream of data, with each pixel transmitting its data in a serial format.

The application field of the MLX90640ESF-BAA-000-TU is wide, due to its extreme accuracy and high resolution. It is especially useful in temperature sensing applications in home automation, process control, medical, automotive, and industrial automation systems. It can be used in measurements such as temperature monitoring of household appliances, medical devices and equipment in medical facilities, temperature monitoring of vehicles, and for process control of industrial manufacturing.

The working principle of the MLX90640ESF-BAA-000-TU is based on the thermopiles principle. Thermopiles are composed of two components: a thermopile sensitive element (the sensor) and a reference element. The thermopile sensitive element consists of two layers of thermocouples, made of two different metals, connected at their edges. When both materials are subjected to a temperature gradient, a voltage differential is created, which is proportional to the temperature.

The reference element consists of two layers of thermocouples that are also made from two different metals, however, these layers are not connected at their edges. The reference element is used to measure the background temperature, so the thermopile sensitive element can measure the relative temperature difference when both elements are exposed to the same environment.

The MLX90640ESF-BAA-000-TU is capable of collecting and converting the voltage differential from the thermopile sensitive element into a digital signal, which can then be processed by the microcontroller of the system. In this way, the accurate temperature values can be determined and applications such as temperature monitoring and process control can be implemented.

The MLX90640ESF-BAA-000-TU is a high resolution infrared thermopile array with an analog and digital output mode. It is an ideal solution for temperature sensing applications, such as in home automation, process control, smart energy, medical, automotive, and industrial automation systems. Its working principle is based on the thermopiles principle, where two components: a thermopile sensitive element and a reference element detect the temperature differences and convert them into a digital signal that can be measured and processed.

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