Document Number: MMA685x NXP Semiconductors Rev. 7, 01/2016 Data Sheet: Technical Data MMA685x, Single-axis, SPI Inertial Sensor MMA685x MMA685x, 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 20 g to 120 g full-scale range 3.3 V or 5 V single supply operation SPI-compatible serial interface 10-bit digital signed or unsigned SPI data output Programmable arming functions 12 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 x 1.98 mm package Top View Referenced Documents AEC-Q100, Revision G, dated May 14, 2007 (xxxxxxx xxxxxxx Application Diagram V CC V CS CS A CS D CS CC V SCLK SCLK1 SCLK2 SCLK REG V MOSI MOSI1 MOSI2 MOSI REGA MISO MISO MISO1 MISO2 C1 C2 C3 Main MCU Deployment IC MMA685x V SSA ARM DEPLOY EN 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 ) REG C3 Ceramic 1 F, 10 %, 10 V Minimum, X7R Voltage Regulator Output Capacitor (C ) REGA Device Orientation xxxxxxx xxxxxxx X: 0 g X: 0 g X: 1 g X: 0 g X: 0 g X: +1 g EARTH GROUND Figure 2. Device Orientation Diagram Data Code Legend: A: Assembly Location WL: Wafer Lot Number (g-cell Lot Number) MMA685xx Y: Year BK(C or T)W AWLYWWZ WW: Work Week TTT Z: Assembly Lot Number Figure 3. Part Marking MMA685x Sensors 2 NXP Semiconductors xxxxxxx xxxxxxx xxxxxxx xxxxxxx