Kionix Tri-Axis Acceleromter (KMX61)

Rohm Semiconductor
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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.


  • 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