NXP  MMA8451QT  MEMS Accelerometer, 3-Axis, Digital, X, Y, Z, ± 2g, ± 4g, ± 8g, 1.95 V, 3.6 V, QFN

NXP MMA8451QT

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  • Manufacturer:
  • Newark Part No.: 84R7351
  • Manufacturer Part No MMA8451QT

Product Overview


The MMA8451QT is a smart low-power, three-axis capacitive Micromachined Accelerometer with 14 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. There is access to both low-pass filtered data as well as high-pass filtered data, which minimizes the data analysis required for jolt detection and faster transitions. 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
  • 14-bit and 8-bit Digital Output
  • I²C Digital Output Interface (Operates to 2.25MHz with 4.7kΩ Pull-up)
  • Two Programmable Interrupt Pins for Seven Interrupt Sources
  • Three Embedded Channels of Motion Detection, such as Freefall or Motion, Pulse and Jolt Detection
  • Orientation (Portrait/Landscape) Detection with Programmable Hysteresis
  • Automatic ODR Change for Auto-wake and Return to Sleep
  • 32 Sample FIFO
  • High Pass Filter Data Available per Sample and Through FIFO
  • Self-test
  • 6 to 165μA Current Consumption

Applications

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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Product Information


  • MEMS Sensor Output Digital
  • Measurement Axis X, Y, Z
  • Acceleration Range ± 2g, ± 4g, ± 8g
  • Supply Voltage Min 1.95V
  • Supply Voltage Max 3.6V
  • Sensor Case Style QFN
  • No. of Pins 16Pins
  • Sensitivity Typ 1024counts/g, 2048counts/g, 4096counts/g
  • Sensitivity Min
  • Sensitivity Max
  • Packaging Each
  • MSL MSL 3 - 168 hours
  • Supply Voltage Range 1.95V to 3.6V
  • SVHC No SVHC (17-Dec-2015)

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  • CAD CadSoft_EAGLE (2.83KB) EN
  • Application Note (224.24KB) EN
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