Enhancements to MEMS inertial accelerometer series for navigation uses introduced by Silicon Designs
KIRKLAND, Wash. – Silicon Designs Inc. in Kirkland, Wash., is introducing g-ranges and end-user enhancements to the company's model 2227 MEMS inertial accelerometer series.
Initially launched in October 2018 as a strictly ±25-g product, the series comes in ±10 g and ±50 g ranges, respectively. The model 2227 series includes a built-in adjustable scaling factor that enables an end-user to increase accelerometer voltage output flexibility, at any specified g-range, of as much as 25 percent.
Overall design of the Silicon Designs rugged model 2227 series combines two patented capacitive silicon sense elements and a precision custom CMOS integrated circuit.
The elements and circuit are housed together in a compact hermetically sealed LCC package. Modules are assembled on a high-temperature open printed circuit board (PCB) with a circuit that converts the MEMS accelerometer differential output voltage into a level of current directly proportional to the amount of applied acceleration.
The resulting design gives the series low-noise, high-stability, long-term repeatability and low power for inertial navigation applications. Final testing is on a temperature-tumble-system to ensure thermal calibration parameters that simplify accelerometer use with the customer's own real-time temperature compensation and modeling software.
For more information contact Silicon Designs online at www.silicondesigns.com.
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