ADXL357B

RECOMMENDED FOR NEW DESIGNS

Low Noise, Low Drift, Low Power, 3-Axis MEMS Accelerometers

Data Sheet (Rev. D) Product Selection Table
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Part Details

  • 0 g offset vs. temperatures (all axes): 0.75mg/°C maximum
  • Ultralow noise spectral density (all axes): 75 µg/√Hz
  • Low power, VSUPPLY (LDO regulator enabled)
    • ADXL356 in measurement mode: 150 µA
    • ADXL357/ADXL357B in measurement mode: 200 µA
    • ADXL356/ADXL357/ADXL357B in standby mode: 21 µA
  • ADXL356 has user adjustable analog output bandwidth
  • ADXL357/ADXL357B digital output features
    • Digital SPI and limited I2C interfaces supported
    • 20-bit ADC
    • Data interpolation routine for synchronous sampling
    • Programmable high- and low-pass digital filters
  • Integrated temperature sensor
  • Voltage range options
    • VSUPPLY with integral regulators: 2.25 V to 3.6 V
    • V1P8ANA, V1P8DIG with internal LDO regulator bypassed: 1.8 V typical ± 10%
  • Operating temperature range: -40°C to +125°C
  • 14-terminal, 6 mm × 5.6 mm × 2.2 mm, LCC package
ADXL357B
Low Noise, Low Drift, Low Power, 3-Axis MEMS Accelerometers
ADXL357_ADXL357B Functional Block Diagram ADXL357_ADXL357B Circuit Diagram ADXL357_ADXL357B Pin Configuration
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Documentation

Data Sheet 1

User Guide 1

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Evaluation Kits

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EVAL-ADXL357B

Evaluating the ADXL357B Low Noise, Low Drift, Low Power 3-Axis MEMS Accelerometer

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Features and Benefits

  • 2 sets of spaced vias for population of 5-pin headers
  • Easily attached to a prototyping board or PCB
  • Small size and board stiffness minimize the impact on the system and acceleration measurement

Product Details

The EVAL-ADXL357B is a simple evaluation board that allows quick evaluation of the performance of the ADXL357B, low noise, low power accelerometer. The EVAL-ADXL357B is ideal for evaluating the ADXL357B in an existing system because the stiffness and the small size of the EVAL-ADXL357B minimize the effect of the board on both the system and acceleration measurements.

The ADXL357B is a low noise density, low 0 g offset drift, low power, 3-axis microelectromechanical system (MEMS) accelerometer with selection measurement ranges (±10 g, ±20 g, and ±40 g). The ADXL357B offers industrial leading noise, minimal offset drift over temperature, and long-term stability, enabling precision applications with minimal calibration.

The low drift, low noise, and low power ADXL357B enables accurate tilt measurement in an environment with high vibration, such as airborne inertial measurement units (IMUs). The low noise over higher frequencies is ideal for wireless condition monitoring.

The ADXL357B multifunction pin names are referenced only by their relevant function for either the serial peripheral interface (SPI) or limited I2C interface.

For full details on the ADXL357B, see the ADXL357B data sheet, which can be consulted in conjunction with this user guide when using the EVAL-ADXL357B evaluation board.
EVAL-ADXL357B
Evaluating the ADXL357B Low Noise, Low Drift, Low Power 3-Axis MEMS Accelerometer
EVAL-ADXL357B Board Photo Angle View EVAL-ADXL357B Board Photo Top View EVAL-ADXL357B Board Photo Bottom View

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