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Low-noise one-axis accelerometers for industrial and inertial use

Silicon Designs 1525 Low G Series accelerometers

Model 1525 accelerometers come in ±2, 5, 10, 25 and 50g versions, and are aimed at low-frequency (including seismic) vibration and acceleration measurements in inertial and industrial applications: “particularly so where high-repeatability, low noise and maximum stability are required”, according to the company. “Key distinguishing features include in-run bias stability, zero cross-coupling by design, and Allan Variances from 5µg.” – The latter a typical figure from the ±2g version.

Inside is a sense element, a sense amplifier, temperature sensor and a ±4.0V differential analogue output stage. The packages are hermetically sealed in a nitrogen-damped 20pin JLCC surface mount package, with top and bottom surfaces serial number marked for traceability. Each unit comes with a calibration test sheet showing measured bias, scale factor, linearity, operating current and frequency response.


Operation is over -40 to +85°C.



For additional information on the Model 1525 Low-G Series, or other MEMS DC accelerometer technologies offered by Silicon Designs, please visit www.silicondesigns.com.

The 1525 accelerometer product page is here, and the data sheet is here

Operating since 1983, Silicon Designs is located near Seattle, Washington. It makes accelerometer chips and modules, and has in-house wafer production. All manufacturing is within the US, and it has an ISO9001:2015 certified quality management systems.