MMA8451QR1

The MMA8451QR1 is a 3-axis micro machined Accelerometer with 14-bit 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. Three embedded channels of motion detection - Freefall or motion detection, pulse detection, jolt detection.

• 1.6 to 3.6V Interface voltage
• ±2g/±4g/±8g Dynamically selectable full scale
• Output data rates (ODR) from 1.56 to 800Hz
• 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
• 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 the FIFO
• Self-test function
• Current consumption 6 to 165μA

Aplicaciones

Dispositivos Portátiles, Computers & Computer Peripherals, Electrónica de Consumo, Comunicaciones y Red, Seguridad, Instrumentación y Medida

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Market demand for this product has caused an extension in lead times, delivery dates may fluctuate