MMA2718JW

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In the field of motion sensors, accelerometers are among the most popular tools used. One such accelerometer is the MMA2718JW, which is capable of detecting motion in any direction on a single device. This device is especially useful in detecting inertial forces, such as those generated in shock and vibration, enabling it to be an ideal choice for impact studies and other similar applications.

The MMA2718JW uses a piezoelectric accelerometer to measure the motion of an object. Piezoelectric accelerometers are an innovative type of device and use the piezoelectric effect to generate a charge proportional to the acceleration imparted on the object. This type of device consists of a piezoelectric transducer, a sensitive element, and a support frame, as well as some other components as required.

The piezoelectric transducer is the heart of the device, and is made up of two quartz wafers, each separated by metal electrodes. When the wafers are subjected to a changing acceleration, an electric charge accumulates at each electrode proportional to the change in acceleration. This charge is then captured by the sensitive element and read out by the support frame.

The MMA2718JW has a range of features that makes it an ideal choice for applications where precise measurements are required. It has a wide dynamic range, from ±2g* to ±20g for both shock and vibration measurements, and a wide frequency range of up to 50 kHz. It also has a low power consumption with a typical operating voltage of 4.75V. In addition, it has a low overall power dissipation and is capable of taking measurements in both high and low temperature ranges.

The MMA2718JW also has a number of features that make it especially useful for applications such as automotive suspension and occupant safety. It has a low profile design, so that it fits into tight spaces, and an independent spring mounting which helps to reduce the amount of transmitted vibration and shock. It also has built-in self-test capabilities for detecting errors and faults.

In summary, the MMA2718JW is an excellent choice for any application that requires precise and accurate measurements of motion in any direction. Its wide dynamic range, low power consumption, and low profile design make it an ideal choice for applications such as automotive suspensions, occupant safety, and shock and vibration studies.

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