MLX90323KDF-AAA-000-TU

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The MLX90323KDF-AAA-000-TU is a high-resolution, high-accuracy, contactless linear and angular sensor capable of reading rotational motion within a range of ±6.25°. This sensor offers outstanding repeatability and temperature stability, enabling accurate and reliable measurements of angular changes over a wide range of temperatures and environments. The sensor is based on the principle of eddy current and utilizes two sets of concentric coils—sensing and compensation—to accurately measure the angular position of a rotating element, such as a shaft, to an accuracy of 0.1°, or 0.02° for narrow range measurements.

From a practical standpoint, the MLX90323KDF-AAA-000-TU is ideal for use in a variety of industries such as automotive and industrial machinery, industrial automation, robotics, and automation and control systems. The sensor is particularly suited for applications such as monitoring the movement of a shaft in a hydraulic pump, or measuring the angular position of a robotic arm. Additionally, the sensors can be used in aviation, marine and medical equipment, as well as in applications that require precise, continuous measurement of angular position, speed, and acceleration.

In general, the implementation of the MLX90323KDF-AAA-000-TU involves the sensing coil and the compensation coil being affixed to, or integrated with, the rotating element. The sensing coil is used to generate an eddy current in the rotating element in response to an applied excitation signal. The resulting eddy current generates an equally strong counter-signal in the sensing coil, which is proportional to the rotational speed of the torque shaft attached to the rotating element. The excitation frequency and counter-signal are measured, and the angular position of the torque shaft is computed.

The compensation coil is used to cancel out any external environmental signals that may interfere with the sensing signal, such as radial vibration or other noise. The compensated signal is then fed into the sensor’s analog-to-digital converter, where the signal is converted into a digital result. The resulting digital signal is further processed through a signal conditioning circuit, which performs further filtering, calibration and signal precision that is then output as a precise angular measurement.

Overall, the MLX90323KDF-AAA-000-TU is an extremely accurate, contactless linear and angular sensor that offers outstanding repeatability, temperature stability, and noise immunity. Its unique design makes it well-suited for applications in a variety of industries. As such, it is an ideal solution for engineers and developers looking for precise, reliable measures of angular position, speed, and acceleration.

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