MMA8451Q

NXP Semiconductors Data sheet: Technical data Document Number: MMA8451Q Rev. 10.3, 02/2017 MMA8451Q, 3-axis, 14-bit/8-bit digital accelerometer MMA8451Q The MMA8451Q 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 wakeup interrupt signals from any combination of the configurable embedded functions allowing the MMA8451Q to monitor events and remain in a low-power mode during periods of inactivity. The MMA8451Q is available in a 16-pin QFN, 3 mm x 3 mm x 1 mm package. Top and bottom view 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 14-bit and 8-bit digital output I2C digital output interface Two programmable interrupt pins for seven interrupt sources Three embedded channels of motion detection — Freefall or motion detection: one channel — Pulse detection: one channel — Jolt detection: one channel Or...