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Freescale Semiconductor Technical Data
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MMA68xx Rev 2, 06/2010
Dual Axis SPI Inertial Sensor
MMA68xx is a SPI-based, 2-axis, medium-g, over-damped lateral accelerometer designed for use in automotive airbag systems. Features • • • • • • • • ±20g to ±120 g full-scale range, independently specified for each axis 3.3 V or 5 V single supply operation SPI-compatible serial interface 10-bit digital signed or unsigned SPI data output Independent programmable arming functions for each axis Twelve low-pass filter options, ranging from 50 Hz to 1000 Hz Optional offset cancellation with > 6s averaging period and < 0.