±2g/±4g/±8g, Low g, 12-Bit Digital Accelerometer

MMA8452Q
  • Not Recommended for New Designs
  • This page contains information on a product that is not recommended for new designs.

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The NXP MMA8452Q is a low-power, three-axis capacitive micromachined accelerometer with 12 bits of resolution, featuring:

  • Embedded functions with flexible user-programmable options, configurable to two interrupt pins
  • Embedded interrupt functions for overall power savings relieving the host processor from continuously polling data
  • User-selectable full scales of ±2g/±4g/±8g with high-pass filtered data as well as non-filtered data available real-time
  • Inertial wake-up interrupt signals from any combination of the configurable embedded functions allowing the MMA8452Q to monitor events and remain in a low-power mode during periods of inactivity

Product Details

Block Diagram

MMA8452Q Acceleration Sensor Block Diagram

MMA8452Q Acceleration Sensor Block Diagram
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Features

Key Features

  • 1.95 to a 3.6 V supply voltage
  • 1.6 to 3.6 V interface voltage
  • ±2g/±4g/±8g dynamically selectable full-scale
  • Output data rates (ODR) from 1.56 Hz to 800 Hz
  • 99 μg/√Hz noise
  • 12-bit and 8-bit digital output
  • I²C digital output interface (operates to 2.25 MHz with 4.7 kΩ pull-up)
  • Two programmable interrupt pins for six interrupt sources
  • 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
  • RoHS compliant
  • Current consumption: 6 μA–165 μA

Three Embedded Channels of Motion Detection

  • Freefall or motion detection: one channel
  • Pulse detection: one channel
  • Jolt detection: one channel

Product Longevity Program

Part numbers include: MMA8452Q, MMA8452QT.

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