NXP MMA8452QR1

数字±2g，4g，8gI²C

Overview

The NXP® MMA8452QR1 is a low-power, three-axis capacitive micromachined accelerometer with 12 bits of resolution, featuring:

Features

1.95 V to 3.6 V supply voltage

1.6 V to 3.6 V interface voltage

±2 g/±4 g/±8 g 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

Two programmable interrupt pins for six interrupt sources

Applications

E-compass applications

Static orientation detection (portrait/landscape, up/down, left/right, back/front position identification)

Notebook, e-reader, and laptop tumble and freefall detection

Real-time orientation detection (virtual reality and gaming 3D user position feedback)

Real-time activity analysis (pedometer step counting, freefall drop detection for HDD, dead-reckoning GPS backup)

Motion detection for portable product power saving (auto-sleep and auto-wake for cell phone, PDA, GPS, gaming)

Shock and vibration monitoring (mechatronic compensation, shipping, and warranty usage logging)

User interface (menu scrolling by orientation change, pulse detection for button replacement)