FREESCALE SEMICONDUCTOR  MMA8452QT  MEMS Accelerometer, 3-Axis, Digital, X, Y, Z, ± 2g, ± 4g, ± 8g, QFN, 3.6 V, 1.95 V

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Product Information

  • Acceleration Range: ± 2g, ± 4g, ± 8g
  • MEMS Sensor Output: Digital
  • MSL: MSL 3 - 168 hours
  • Measurement Axis: X, Y, Z
  • No. of Pins: 16
  • Packaging: Each
  • SVHC: No SVHC (17-Dec-2014)
  • Sensitivity Max: -
  • Sensitivity Min: -
  • Sensitivity Typ: 1024counts/g, 512counts/g, 256counts/g
  • Sensor Case Style: QFN
  • Supply Voltage Max: 3.6V
  • Supply Voltage Min: 1.95V
  • Supply Voltage Range: 1.95V to 3.6V


The MMA8452QT is a smart low-power, three-axis, capacitive Micromachined Accelerometer with 12 bits of resolution. This accelerometer is packed with embedded functions with flexible user-programmable options, configurable to two interrupt pins. Embedded interrupt functions allow for overall power savings relieving the host processor from continuously polling data. It has user-selectable full scales of ±2/±4/±8g with high-pass filtered data as well as non-filtered data available real-time. The device can be configured to generate inertial wake-up interrupt signals from any combination of the configurable embedded functions allowing the accelerometer to monitor events and remain in a low-power mode during periods of inactivity.


  • 1.6 to 3.6V Interface Voltage
  • ±2/±4/±8g Dynamically Selectable Full-scale
  • Output Data Rates (ODR) from 1.56 to 800Hz
  • 99μg/√Hz Noise
  • 12-bit and 8-bit Digital Output
  • I²C Digital Output Interface (Operates to 2.25MHz with 4.7kΩ Pull-up)
  • Two Programmable Interrupt Pins for Six Interrupt Sources
  • Three Embedded Channels of Motion Detection, such as Freefall or Motion, Pulse and Jolt Detection
  • Orientation (Portrait/Landscape) Detection with Set Hysteresis
  • Automatic ODR Change for Auto-wake and Return to Sleep
  • High Pass Filter Data Available Real-time
  • Self-test
  • 6 to 165μA Current Consumption


  • Sensing & Instrumentation
  • Consumer Electronics
  • Computers & Computer Peripherals


ESD sensitive device, take proper precaution while handling the device, device is sensitive to mechanical shock, improper handling can cause permanent damage of part or cause part to otherwise fail.

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