Accelerometer opens cost-sensitive market opportunities for MEMS technology
26 February 2003
Electronics Technology
Analog Devices' ADXL311 accelerometer is a fully integrated, low-power, low-g device that the company claims is the lowest priced integrated MEMS accelerometer available. The company says that the new accelerometer makes MEMS technology more accessible to cost-sensitive markets and will create many new applications.
"Since introducing the industry's first commercially available MEMS accelerometer in 1993, Analog Devices has reduced MEMS accelerometer prices by more than a factor of 10." said Marlene Bourne, senior analyst, In-Stat/MDR.
"By leveraging our extensive high volume MEMS accelerometer experience, we have been able to continuously reduce costs to levels previously thought unattainable," said Paul Ganci, product line director, Micromachined Products Division, Analog Devices, "With less than one failure per billion hours of operation, our iMEMS products exemplify Analog Devices' commitment to world-class quality and reliability."
The ADXL311 is a dual axis, ±2 g (at full-scale) accelerometer with analog outputs that can measure both dynamic acceleration (eg, vibration) and static acceleration (eg, gravity). The accelerometer integrates moving microscopic silicon parts and sophisticated signal conditioning to produce a complete two-axis accelerometer on a single monolithic IC. It features low power requirements (200 µA per axis at 3 V operation) and the typical noise floor is 300 micro-g per root Hertz at 3 V operation. This allows signals below 5 milli-g to be resolved for bandwidths below 60 Hz.
The ADXL311 is packaged in a 5 x 5 x 2 mm 8-lead hermetic LCC package.
For more information contact Analog Data Products, 011 259 9400.
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