TAILIEUCHUNG - MMA8452Q, 3-Axis, 12-bit/8-bit Digital Accelerometer

The MMA8452Q 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. | Freescale Semiconductor Data Sheet Technical Data An Energy Efficient Solution by Freescale Document Number MMA8452Q Rev. 06 2015 VRoHS MMA8452Q MMA8452Q 3-Axis 12-bit 8-bit Digital Accelerometer The MMA8452Q 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. The MMA8452Q has user selectable full scales of 2g 4g 8g with high-pass filter filtered data as well as non-filtered data available real-time. The device can be configured to generate inertial wakeup 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 The MMA8452Q is available in a 3 mm x 3 mm x 1 mm QFN package. Features to supply voltage to interface voltage 2g 4g 8g dynamically selectable full-scale Output Data Rates ODR from Hz to 800 Hz 99 ựg Hz noise 12-bit and 8-bit digital output I2C digital output interface Two programmable interrupt pins for six interrupt sources Three embedded channels of motion detection Freefall or Motion Detection 1 channel Pulse Detection 1 channel Transient Detection 1 channel - 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 pA to 165 1A Typical 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 .

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