MEMS SENSORS: Soldier-worn sensor uses MEMS accelerometer from Analog Devices

Infantry technology experts at the U.S. Defense Advanced Research Projects Agency (DARPA) needed a small, low-power accelerometer for the second generation of DARPA's Blast Gauge to protect U.S. Armed Forces personnel. They found their solution at Analog Devices Inc. in Norwood, Mass.

Blast Gauge is a soldier-worn sensor developed at Rochester Institute of Technology in Rochester, N.Y., that serves as a screening tool for medical personnel performing triage on infantrymen exposed to a blast. It provides detailed data for researchers looking into the causes of traumatic brain injury.

The initial generation of the Blast Gauge, commercialized by BlackBox Biometrics (B3) in Rochester, N.Y., used the ADXL345 MEMS accelerometer from Analog Devices. Analog Devices' ADXL362 accelerometer based on microelectromechanical systems technology is planned for the second generation. "The ADXL362 will significantly extend battery life in these sealed devices which utilize a non-rechargeable battery," says David Borkholder, chief technology officer of BlackBox Biometrics.

The ADXL362 is a three-axis digital MEMS accelerometer that operates on power of as little as at 300 nano-amps in motion-sensing wake-up mode. In full measurement mode, the ADXL362 uses 2 micro-amps at a 100 Hz data rate.

FOR MORE INFORMATION visit Analog Devices at www.analog.com and BlackBox Biometrics at www.blastgauge.com.


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February 2014
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