High-Performance Single Axis MEMS Capacitive Accelerometers for Automotive, Industrial, and Robotics Applications

High-Performance Single Axis MEMS Capacitive Accelerometers for Automotive, Industrial, and Robotics Applications

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ByRajni Setia 0

Model 2276 Series- High-Performance Single Axis MEMS Capacitive Accelerometers

Silicon Designs Inc. has released high-performance single-axis MEMS capacitive accelerometers to support zero-to-medium frequency automotive, industrial vibration monitoring, and robotics instrumentation applications. The Model 2276 Series is available in eight standard ranges from ±2 g to ±400 g and combines an integrated low-noise, nitrogen-damped, fully calibrated MEMS capacitive accelerometer chip along with high-drive, low-impedance buffering.

The design of Model 2276 Series is ideal for vibration and acceleration measurements within industrial and commercial environments, especially in applications where an accelerometer’s low mass (9 g) and small size (0.94″ by 0.63″ by 0.425″) can help to minimize mass loading effects on the test article. The sense elements that are included in the series are contained within the epoxy-sealed, rugged anodized aluminum housing.

The accelerometers can reliably withstand shock inputs of up to 5000 g, as well as standard operating temperature ranges from –55°C to +125°C. Moreover, they offer superior bias performance, including a temperature shift coefficient of -100 to +100 PPM of span/°C, and a scale factor temperature shift coefficient of -150 to +50 PPM/°C. These respond to both DC and AC acceleration with choice of either two analog ±4 V (differential); or 0.5 to 4.5 V (single-ended) outputs, both of which vary with acceleration. At zero acceleration, the output differential voltage is nominally 0 VDC (DC response). Onboard voltage regulation also minimizes supply voltage variation effects.

Aircraft flight and flutter testing, automotive RLDA, industrial vibration monitoring and analysis, robotics, biomechanics, industrial machinery and equipment control, modal and structural analysis, crash event detection, and general in-laboratory testing are the areas where Model 2276 Series accelerometers find their application.

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