ADXL355 Low Noise, Low Drift, Low Power 3-Axis Accelerometer with digital output

The ADXL355 is part of a new family of low noise density, low 0 g offset drift, low power, 3-axis MEMS accelerometers with selectable measurement ranges. The ADXL355 supports the ±2.048 g, ±4.096 g, and ±8.192 g ranges, and offers industry leading noise, offset drift over temperature, and long term stability, enabling precision applications with minimal calibration and with very low power consumption.

The ADXL355 and ADXL354 (analog output. See ADXL354 Product Page) 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 lengthens battery life and allows extended product usage by reducing the time between battery changes. 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 ADXL354 and ADXL355 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, ADXL355 MEMS accelerometer offers performance level comparable to much more expensive devices with less power consumption and BOM cost.

Applications

Features and Benefits
  • Hermetic package offers excellent long-term stability
  • 0 g offset vs. temperature (all axes): 0.15 mg/°C maximum
  • Low power, VSUPPLY (LDO enabled)
  • 200 µA in measurement mode (digital)
  • 21 µA in standby mode
  • Digital output features
    • Digital serial peripheral interface (SPI)/I2C interfaces
    • 20-bit analog-to-digital converter (ADC)
    • Data interpolation routine for synchronous sampling
    • Programmable high- and low-pass digital filters
  • Digital serial peripheral interface (SPI)/I2C interfaces
  • 20-bit analog-to-digital converter (ADC)
  • Data interpolation routine for synchronous sampling
  • Programmable high- and low-pass digital filters
  • Electromechanical self-test
  • Integrated temperature sensor
  • Voltage range options
  • VSUPPLY with internal regulators: 2.25 V to 3.6 V
  • V1P8ANA, V1P8DIG with internal low dropout regulator (LDO) bypassed: 1.8 V typical ± 10%
  • Operating temperature range: -40°C to 125°C
  • 14-terminal, 6 mm × 6 mm × 2.1 mm, LCC package, 0.26 grams
  • MEMS
    Aerospace and Defense
      Process Control and Industrial Automation
        Energy
        • Renewable Energy Generation
        Healthcare
        • Clinical Monitoring
        • Health, Wellness and Fitness
        Data Sheets
        Documentnote
        ADXL354/ADXL355: Low Noise, Low Drift, Low Power, 3-Axis MEMS Accelerometers Data Sheet (Rev. 0)PDF 1.52 M
        User Guides
        Documentnote
        UG-1030: Evaluating the ADXL354/ADXL355 Low Noise, Low Drift, Low Power, 3-Axis MEMS Accelerometers (Rev. 0)PDF 198.84 K
        Evaluating the ADXL354 and ADXL355WIKI
        Order Information
        Part NumberPackagePacking QtyTemp RangePrice 100-499Price 1000+RoHS
        ADXL355BEZ ProductionLCC:CER LEADLESS CHIP CARROTH 0-40 to 125C3228.25E
        ADXL355BEZ-RL ProductionLCC:CER LEADLESS CHIP CARRREEL 2000-40 to 125C028.25E
        ADXL355BEZ-RL7 ProductionLCC:CER LEADLESS CHIP CARRREEL 500-40 to 125C3228.25E
        Evaluation Boards
        Part NumberDescriptionPriceRoHS
        EVAL-ADXL354BZEvaluation Board for ADXL354BEZ35Y
        EVAL-ADXL354CZEvaluation Board for ADXL354CEZ35Y
        EVAL-ADXL355ZEvaluation Board for ADXL355BEZ35Y
        Reference Materials