Document Number: MMA655x NXP Semiconductors Rev. 7.0, 01/2017 Data sheet: Technical data MMA655x, Single-Axis, SPI Inertial MMA655x Sensor MMA655x, a SafeAssure solution, is a SPI-based, single-axis, medium-g, over- damped lateral accelerometer designed for use in Automotive Airbag systems. Bottom View Features 105 g or 120 g full-scale range 3.3 V or 5 V single supply operation SPI-compatible serial interface 12-bit digital signed or unsigned SPI data output Programmable arming function Twelve low-pass filter options, ranging from 50 Hz to 1000 Hz Pb-free 16-Pin QFN Optional offset cancellation with > 6 s averaging period and < 0.25 LSB/s slew 6 mm x 6 mm x 1.98 mm package rate Pb-free 16-pin QFN, 6 mm x 6 mm package Referenced Documents AEC-Q100, Revision G, dated May 14, 2007 (1 General Description 1.1 Application diagram V CC V CC CS V SCLK REG MOSI V REGA MISO C1 C2 C3 MMA655x V SSA ARM V SS V /TEST PP Figure 1. Application Diagram Table 1. External Component Recommendations Ref Des Type Description Purpose C1 Ceramic 0.1 F, 10%, 10 V Minimum, X7R V Power Supply Decoupling CC C2 Ceramic 1 F, 10%, 10 V Minimum, X7R Voltage Regulator Output Capacitor (C ) VREG C3 Ceramic 1 F, 10%, 10 V Minimum, X7R Voltage Regulator Output Capacitor (C ) VREGA MMA655x Sensor 2 NXP Semiconductors