MMA2712WR2

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Motion Sensors - Accelerometers are as important as any other area in developing applications to support objects moving in space. These devices help to measure the acceleration and dynamics of such moving objects and assist in the engineering development and research of these objects. MMA2712WR2 is one such accelerometer designed to measure acceleration in three orthogonal axes. It is an ideal device for aerospace applications in telemetry observatory, geology and seismology.

The MMA2712WR2 Application Field

With a high bandwidth frequency at 10kHz and a range of +/-2g acceleration, the MMA2712WR2 accelerometer is suitable for harsh environments, like aerospace applications. It is suitable for environment shock monitoring in aircraft, launch vehicles, satellites and inter-continental rockets. Along with this, it is suitable for ground vibration monitoring, especially in sports and recreational vehicles where rapid and reliable data acquisition is essential. The device is also useful for precision control systems in oscillators, vibration analysis, and sensitive machinery diagnostics. Other application fields include inertial navigation systems, stabilization systems, and robotics.

The MMA2712WR2 Working Principle

The MMA2712WR2 accelerometer adopts a capacitive-type accelerometer structure. It houses a cantilevered solid product containing a small mass cell with three orthogonal electrodes. It has a compact profile and a closed-loop micro-accelerometer. An integrated low voltage cmos ASIC chip provides analog to digital conversion that determines the acceleration of the device, converting it an electrical signal.

The device works by measuring the acceleration response in the statically applied stresses and strains to the electrodes. This response is measured by capacitance changes. With either AC or DC excitation, the capacitive changes measured by the unit is converted into an electrical signal with amplitude and phase relationship to the excitation. The signal is then digitized and integrated by a low-pass filter.

The MMA2712WR2 is capable of measuring the actual acceleration of the moving object in a three-dimensional direction. With an onboard temperature sensor, the accelerometer is capable of measuring temperature as well as inertial acceleration generated by the moving object. This accelerometer is suitable for applications in harsh environment, such as aerospace and impact-resistance vibrations.

The MMA2712WR2 Accelerometer is a reliable device suitable for real-time acceleration measurement in harsh conditions. With its wide range of application fields and working principle, it is an ideal choice for designing projects that require precision, accuracy and reliability.

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