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Tronics Microsystems


High Performance ± 14 G MEMS Accelerometer with Digital Interface

High performance and stability for precision navigation and positioning in severe environments

AXO®315 is a high performance, closed-loop, single-axis in-plane digital MEMS accelerometer which offers a digital and cost-effective alternative to quartz accelerometers at a fraction of their size, weight and power consumption. With a 1 year composite bias repeatability of 1 mg under demanding temperature and vibrations conditions, it overpasses all commercially available MEMS accelerometers.

AXO®315 is the perfect candidate for integration into high performance Inertial Measurement Units (IMU) and Inertial Navigation Systems (INS) operating in highly vibrating environments, such as land, railway and air transportation.

The hermetic ceramic SMD package combined with a 24 bits SPI interface eases the integration of AXO®315 and reduces the BOM. The built-in selftest ensures initial verification of the sensor’s integrity and continuous in-operation functionality test.

Key performances

  • ±14 g range, single-axis in-plane accelerometer
  • 1 year composite bias repeatability: 1 mg
  • 1 year composite scale factor repeatability: 600 ppm
  • Vibration rejection: 20 μg/g²
  • Noise: 15 μg/√Hz
  • Temperature range: from -55°C to +105°C

Key features

  • 24-bit digital SPI interface
  • Initial and continuous self-test
  • Factory-calibrated over temperature
  • Hermetic ceramic SMD package
  • Non classified under dual-use export control
  • REACH and RoHS compliant


  • IMU and INS for GNSS-assisted navigation and positioning of UAV and VTOL
  • AHRS (Attitude & Heading Reference Systems)
  • Flight control systems
  • Surveying and mapping instrumentation
  • Measurement While Drilling (MWD)
  • Borehole drilling guidance
  • IMU for Track Geometry Measurement Systems

Download the full PDF here.

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