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Analog Devices’ New MEMS Accelerometers Enable Early Detection of Structural Defects

Analog Devices ADXL354 and ADXL355Analog Devices (ADI) announces three-axis, MEMS accelerometers that is sought to perform high resolution vibration measurement with very low noise to enable the early detection of structural defects via wireless sensor networks.

The low power consumption of the new ADXL354 and ADXL355 accelerometers is touted to lengthen battery life and allows extended product usage by reducing the time between battery changes.

Key Nuggets include

  • The low noise performance of the ADXL354 and ADXL355 with low power consumption makes it now possible to cost-effectively enable low-level vibration measurement applications such as Structural Health Monitoring (SHM).
  • Additionally, the tilt stability of ADXL354 and ADXL355 accelerometers delivers excellent repeatability over temperature and time, which is ideal for orientation and navigation systems in unmanned aerial vehicles using Inertial Measurement Units (IMUs) and inclinometers.
  • By providing repeatable tilt measurement under all conditions, the new accelerometers enable minimal tilt error without extensive calibration in harsh environments.
  • The new accelerometers offer guaranteed temperature stability with null offset coefficients of 0.15mg/C (max).
  • The stability minimizes resource and expense associated with calibration and testing effort, helping to achieve higher throughput for device OEMs.
  • In addition, the hermetic package helps ensure that the end product conforms to its repeatability and stability specifications long after they leave the factory.

With output of ±2g to ±8g full scale range (FSR), selectable digital filtering from 1 Hz to 1 kHz, and low noise density of 25µ/√Hz at less than 200µA current consumption, the ADXL354 and ADXL355 accelerometers offer performance level comparable to much more expensive devices with less power consumption and BOM cost.

Product Pricing and Availability

Product Output Interface Sample
Availability
Full
Production
Price Each
per 1,000
Packaging
ADXL354 Analog Now Now $25.42 6×6 mm 14-
lead LCC
ADXL355 SPI Now Now $28.25 6×6 mm 14-
lead LCC

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