Document Number: MMA51xxKW Freescale Semiconductor Rev. 11, 08/2012 Data Sheet: Technical Data Xtrinsic MMA51xxKW PSI5 Inertial Sensor MMA51xxKW The MMA51xxKW family, a SafeAssure solution, includes the AKLV27 and PSI5 Version 1.3 compatible overdamped Z-axis satellite accelerometers. Features Bottom View 60g to 480g Full-Scale Range Selectable 400 Hz, 3-Pole, or 4-pole Low-Pass Filter Single Pole High Pass Filter with Fast Startup and Output Rate Limiting PSI5 Version 1.3 Compatible PSI5-P10P-500/3L Compatible Programmable Time Slots with 0.5 s Resolution Selectable Baud Rate: 125 kBaud or 190.5 kBaud 16-PIN QFN CASE 2086-01 Selectable Data Length: 8 or 10 bits Selectable Error Detection: Even Parity, or 3-bit CRC Optional Daisy Chain with External Low-Side Switch Two-Wire Programming Mode Top View 16 s Internal Sample Rate, with Interpolation to 1 s Pb-Free 16-Pin QFN, 6 by 6 Package Qualified AECQ100, Revision G, Grade 1 (-40C to +125C) (xxxxxxx xxxxxxx Application Diagram VV V BUF CE V V BUF CC R1 V I REG DATA R2 MMA51xx V REGA C2 C3 C1 CS V C4 C5 C6 SSA V SS SCLK V SS DO R3 M1 Note: Pin names and references BUS SW DI may differ from PSI5 V1.3 Optional for V SS OUT PCM pin names and references Daisy Chain Figure 1. Application Diagram External Component Recommendations Ref Des Type Description Purpose C1 Ceramic 2.2 nF, 10%, 50V minimum, X7R V Power Supply Decoupling and Signal Damping CC C3 Ceramic 470 pF, 10%, 50V minimum, X7R I Filtering and Signal Damping DATA C2 Ceramic 15 nF, 10%, 50V minimum, X7R V Power Supply Decoupling CC C4, C5, C6 Ceramic 1 F, 10%, 10V minimum, X7R Voltage Regulator Output Capacitor(s) R1 General Purpose 82, 5%, 200 PPM V Filtering and Signal Damping CC R2 General Purpose 27, 5%, 200 PPM I Filtering and Signal Damping DATA R3 General Purpose 20 k, 5%, 200 PPM Gate Resistor for External Low-Side Daisy Chain FET M1 N-Channel MOSFET Low-Side Daisy Chain Transistor Device Orientation xxxxxxx xxxxxxx Z: 0g Z: 0g Z: 0g Z: +1g Z: -1g Z: 0g EARTH GROUND Figure 2. Device Orientation Diagram MMA51xxKW Sensors 2 Freescale Semiconductor, Inc. xxxxxxx xxxxxxx xxxxxxx xxxxxxx