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Tri-Axis Magnetometer / Tri-Axis Accelerometer - KMX61

The KMX61 is a 6-axis E-compass device with auto-calibration software. The KMX61 delivers high sensitivity (0.05 µT/count) with stability over temperature (± 0.05 %/ºC) and is well-suited for a range of smartphone, tablet and health and fitness applications.

Not Recommended for New Designs.


  • Ultra low power: 1 µA typical in standby, 130 µA typical (accelerometer only), 350 µA typical (magnetometer only), and 450µA (operating, both magnetometer and accelerometer)
  • 3x3x0.9mm, 16-pin LGA package
  • 512-byte FIFO buffer with watermarking capability
  • User-selectable ± 2g, 4g, 8g full-sale accelerometer range
  • ±1200µT total magnetometer measurement range
  • Embedded temperature sensor
  • User-selectable ODR from 0.781Hz to 1.6KHz
  • Magnetometer algorithms for auto-calibration and MI rejection
  • Outputs with up to 14-bit resolution
  • Digital (I2C) Output
  • Supply voltages between 1.8 V and 3.3 V
  • Excellent bias stability over temperature. Bias errors resulting from assembly can be trimmed digitally by the user.
  • Embedded features
  • User-configurable motion wake-up and back-to-sleep and wake-up functions
  • Programmable interrupt engine
  • Accelerometer self-test function


  • E-compass solution
  • Small footprint
  • Magetometer auto-calibration and MI rejection
  • User-configurable motion wake-up function
  • 512-byte FIFO buffer with watermarking capability

Related Products

Product Specifications

Axis Magnetometer Range G Range Sensitivity Resolution Package Size Pins Package Type Interface Output Wakeup Operating Temperature (Min.)[°C] Operating Temperature (Max.)[°C] Supply Voltage [V] Magnetic Sensitivity
6 ±1200 µT 2g, 4g, 8g 16384 (± 2g), 8192 (± 4g), 4096 (± 8g), counts/g 16-bit 3x3x0.9mm 16-pin LGA Digital (I²C) No -40 85 1.8-3.3 -


EVAL-KMX61 Cart KMX61 Evaluation Board Board Schematic
Board Layout