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  2. Sensors and MEMS
  3. Accelerometers
  4. ADXL372


Features and Benefits

  • ±200g measurement range
  • 200 Hz to 3200 Hz user-selectable bandwidth with 4-pole anti-aliasing filter
  • Selectable over-sampling ratio 
  • Adjustable high-pass filter 
  • Ultralow power
    • Power can be derived from a coin cell battery
    • 22 µA @ 3200 Hz ODR, 2.5 V supply
    • Low power, wake-up mode for low g activity detection
    • 1.4 μA instant on mode with adjustable threshold
    • <0.1 μA standby mode
  • Built-in features for system-level power savings
    • Autonomous interrupt processing without processor intervention
    • Deep embedded FIFO to minimize host processor load
  • Ultralow power event monitoring detects impacts and wakes up fast enough to capture the transient events
  • Ability to capture and store peak acceleration values of events 
  • Adjustable, low g threshold activity/inactivity detection
  • Wide supply range: 1.6 V to 3.5 V 
  • Acceleration sample synchronization via external trigger
  • SPI digital interface and limited I2C interface format support 
  • 12-bit output at 100 mg/LSB scale factor
  • Wide temperature range: −40°C to 105°C
  • Small, thin, 3 mm × 3.25 mm × 1.06 mm package

Product Details

The ADXL372 is an ultralow power, 3-axis, ±200 g MEMS accelerometer that consumes 22 μA at a 3200 Hz output data rate (ODR). The ADXL372 does not power cycle its front end to achieve its low power operation and therefore does not run the risk of aliasing the output of the sensor.

In addition to its ultralow power consumption, the ADXL372 has many features to enable impact detection while providing system level power reduction. The device includes a deep multimode output first in, first out (FIFO), several activity detection modes, and a method for capturing only the peak acceleration of over threshold events.

Two additional lower power modes with interrupt driven, wake-up features are available for monitoring motion during periods of inactivity. In wake-up mode, acceleration data can be averaged to obtain a low enough output noise to trigger on low g thresholds. In instant on mode, the ADXL372 consumes 1.4 μA while continuously monitoring the environment for impacts. When an impact event that exceeds the internally set threshold is detected, the device switches to normal operating mode fast enough to record the event.

High g applications tend to experience acceleration content over a wide range of frequencies. The ADXL372 includes a 4-pole low-pass antialiasing filter to attenuate out of band signals that are common in high g applications. The ADXL372 also incorporates a high-pass filter to eliminate initial and slow changing errors, such as ambient temperature drift.

The ADXL372 provides 12-bit output data at 100 mg/LSB scale factor. The user can access configuration and data registers via the serial peripheral interface (SPI) or limited I2C protocol. The ADXL372 operates over a wide supply voltage range and is available in a 3 mm × 3.25 mm × 1.06 mm package.

Multifunction pin names may be referenced by their relevant function only.


  • Impact and shock detection
  • Asset health assessment
  • Portable Internet of Things (IoT) edge nodes
  • Concussion and head trauma detection

Product Lifecycle icon-recommended Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

Evaluation Kits (3)

Documentation & Resources

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  • Data Sheet (1)
  • User Guide (2)
  • Product Information (1)
  • Webcast (1)
  • Solutions Bulletin & Brochure (1)
  • Video (8)
  • Technical Article (3)
  • Software & Systems Requirements

    Design Resources

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    Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
    ADXL372BCCZ-RL Material Declaration Reliability Data 16-Lead LGA (3mm x 3.25mm)
    ADXL372BCCZ-RL7 Material Declaration Reliability Data 16-Lead LGA (3mm x 3.25mm)
    Wafer Fabrication Data

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