ADXL357 Three-Axis Accelerometer Sensor Module

The ADXL357 Three-Axis Accelerometer Sensor Module is designed for precision applications requiring low noise, low power consumption, and high stability. Encased in a hermetically sealed package, this module ensures long-term stability and reliability. It is suitable for a wide range of applications, including inertial measurement units (IMUs), structural health monitoring, robotics, and condition monitoring.

Specifications of ADXL357 Three-Axis Accelerometer Sensor Module

• Package: Hermetically sealed, 14-pin, 6 mm × 6 mm × 2.1 mm LCC package, 0.26 g
• 0 g Offset and Temperature (all axes): 0.15 mg/°C maximum
• Power Supply (LDO enabled):
  • Measurement mode: 200 μA (digital)
  • Standby mode: 21 μA
• Interface: Digital serial peripheral interface (SPI)/I2C interface
• ADC: 20-bit analog-to-digital converter (ADC)
• Filters: Programmable high-pass and low-pass digital filters
• Self-Test: Electromechanical self-test
• Temperature Sensor: Integrated
• Voltage Range Options:
  • VSUPPLY with internal regulator: 2.25 V to 3.6 V
  • V1P8ANA, V1P8DIG bypassed by internal LDO: 1.8 V (typical, ±10%)
• Operating Temperature Range: -40°C to 125°C
• Measurement Ranges: ±2g, ±4g, ±8g

How to Use the ADXL357 Three-Axis Accelerometer Sensor Module

1. Power Supply Connection:
   • Connect the power supply to the VSUPPLY pin. Ensure the voltage is between 2.25V and 3.6V for the internal regulator, or 1.8V for bypassed internal LDO.
2. Interface Connection:
   • Use the SPI or I2C interface to communicate with the sensor module. Configure the appropriate pins for the selected communication protocol.
3. Configuration:
   • Set up the measurement range according to your application requirements: ±2g, ±4g, or ±8g.
   • Program the high-pass and low-pass digital filters as needed for your application.
4. Calibration:
   • Perform initial calibration to ensure accurate readings. The module features low 0 g offset drift, reducing the need for frequent recalibration.
5. Data Acquisition:
   • Utilize the 20-bit ADC for high-resolution data capture.
   • Use the data interpolator for simultaneous sampling and improved accuracy.
6. Self-Test:
   • Use the electromechanical self-test function to verify sensor functionality and performance.

Applications of ADXL357 Three-Axis Accelerometer Sensor Module

• Inertial Measurement Unit (IMU) / Attitude and Heading Reference System (AHRS)
• Platform Stabilization Systems
• Structural Health Monitoring
• Seismic Imaging
• Tilt Detection
• Robotics
• Condition Monitoring

Datasheet of ADXL357 Three-Axis Accelerometer Sensor Module

ADXL357 Datasheet