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05-04-2017

Analog Devices' MEMS Accelerometers Provide Low Power Vibration Measurements, Enabling Wireless Condition Monitoring

Analog Devices » ADXL356, ADXL357

Analog Devices, Inc. (ADI) announced the addition of two devices to its popular series of low noise, low drift, low power, three-axis MEMS accelerometers. The low noise performance over high frequencies provided by the new ADXL356 and ADXL357 MEMS accelerometers delivers high resolution vibration measurements that enable the early detection of machine failure in condition monitoring applications. This performance comes with very low power consumption, making the ADXL356 and ADXL357 ideal for wireless sensor networks. These new MEMS accelerometers are also designed to provide accurate and reliable tilt measurements for environments high in shock and vibration without saturating the sensor, an important requirement for tilt measurement applications on heavy equipment or airborne platforms such as unmanned aerial vehicles (UAVs). The ADXL356 and ADXL357 MEMS accelerometers are the latest examples of high performance sensor technology from Analog Devices that provides high-quality data for Internet of Things (IoT) applications and enables intelligent sensing from the edge of the network.

Analog Devices - ADXL356, ADXL357

The analog output ADXL356 and the digital output ADXL357 three-axis accelerometers provide selectable measurement ranges of ±10 g, ±20 g and ±40 g for greater flexibility. The ADXL356 and ADXL357 also offer industry leading noise density of 80 µg/root Hz, with guaranteed maximum 0 g offset drift over temperature of 0.75 mg/°C, enabling precision applications with minimal calibration. In addition, the hermetic package helps ensure that the end product conforms to its repeatability and stability specifications long after it leaves the factory. Highly integrated in a compact form factor, the low power ADXL357 requires only 200 uA, extending the life of battery powered applications including wireless networks for condition monitoring, airborne platforms such as UAVs or IoT applications.

Key features:

  • Hermetic package offers excellent long-term stability
  • 0g offset vs. temperature (all axes): 0.75 mg/°C maximum
  • Ultralow noise density (all axes):80 μg/√Hz
  • Low power:
    • ADXL356 in measurement mode: 150 μA
    • ADXL357 in measurement mode: 200 μA
    • ADXL356/ADXL357 in standby mode: 21 μA
  • ADXL356 has user adjustable analog output bandwidth
  • ADXL357 digital output features:
    • Digital serial peripheral interface (SPI)/limited I2C interfaces supported
    • 20-bit analog-to-digital converter (ADC)
    • Data interpolation routine for synchronous sampling
    • Programmable high- and low-pass digital filters
  • Integrated temperature sensor
  • Voltage range options with internal regulators: 2.25 V to 3.6 V
  • Operating temperature range: −40 °C to + 125 °C
  • 14-terminal, 6 mm × 5.6 mm × 2.05 mm, LCC package
The EVAL-ADXL355-Z Evaluation Board
The EVAL-ADXL355-Z Evaluation Board.

Pricing and Availability

ADXL356 and ADXL356 in full production now. Price Each per 1,000: ADXL356 - $28.60, ADXL357 - $31.78.

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