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MMA5212KWR2 Dataheets PDF



Part Number MMA5212KWR2
Manufacturers Freescale Semiconductor
Logo Freescale Semiconductor
Description PSI5 Inertial Sensor
Datasheet MMA5212KWR2 DatasheetMMA5212KWR2 Datasheet (PDF)

Freescale Semiconductor Data Sheet: Technical Data Document Number: MMA52xxKW Rev. 11, 08/2012 Xtrinsic MMA52xxKW PSI5 Inertial Sensor The MMA52xxKW family, a SafeAssure solution, includes the AKLV27 and PSI5 Version 1.3 compatible overdamped X-axis satellite accelerometers. Features • ±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 Co.

  MMA5212KWR2   MMA5212KWR2



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Freescale Semiconductor Data Sheet: Technical Data Document Number: MMA52xxKW Rev. 11, 08/2012 Xtrinsic MMA52xxKW PSI5 Inertial Sensor The MMA52xxKW family, a SafeAssure solution, includes the AKLV27 and PSI5 Version 1.3 compatible overdamped X-axis satellite accelerometers. Features • ±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 μs Resolution – Selectable Baud Rate: 125 kBaud or 190.5 kBaud – 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 • 16 μs Internal Sample Rate, with Interpolation to 1 μs • Pb-Free 16-Pin QFN, 6 by 6 Package • Qualified AECQ100, Revision G, Grade 1 (-40°C to +125°C) (http://www.aecouncil.com/) Typical Applications • Airbag Front and Side Crash Detection Device MMA5206KW MMA5212KW MMA5224KW MMA5248KW MMA5206KWR2 MMA5212KWR2 MMA5224KWR2 MMA5248KWR2 ORDERING INFORMATION Axis Range Package X 60g 2086-01 X 120g 2086-01 X 240g 2086-01 X 480g 2086-01 X 60g 2086-01 X 120g 2086-01 X 240g 2086-01 X 480g 2086-01 Shipping Tubes Tubes Tubes Tubes Tape & Reel Tape & Reel Tape & Reel Tape & Reel For user register array programming, please consult your Freescale representative. MMA52xxKW Bottom View 16-PIN QFN CASE 2086-01 Top View VSSA BUS_SW TEST VBUF 16 15 14 13 VCC 1 VSS 2 IDATA 3 VSS 4 17 56 12 VSSA 11 VREGA 10 CS 9 VREG 78 PCM SLCK DOUT DIN PIN CONNECTIONS © 2010-2012 Freescale Semiconductor, Inc. All rights reserved. Application Diagram C4 C5 C6 Note: Pin names and references may differ from PSI5 V1.3 pin names and references VVBVUBFUF VCC VREG IDATA VREGA MMA52xx R1 R2 C2 C3 CS VSSA SCLK DO DI PCM VSS R3 BUS_SW Optional for Daisy Chain VCE C1 VSS M1 VSS_OUT Ref Des C1 C3 C2 C4, C5, C6 R1 R2 R3 M1 Type Ceramic Ceramic Ceramic Ceramic General Purpose General Purpose General Purpose N-Channel MOSFET Figure 1. Application Diagram External Component Recommendations Description 2.2 nF, 10%, 50V minimum, X7R 470 pF, 10%, 50V minimum, X7R 15 nF, 10%, 50V minimum, X7R 1 μF, 10%, 10V minimum, X7R Purpose VCC Power Supply Decoupling and Signal Damping IDATA Filtering and Signal Damping VCC Power Supply Decoupling Voltage Regulator Output Capacitor(s) 82Ω, 5%, 200 PPM 27Ω, 5%, 200 PPM 20 kΩ, 5%, 200 PPM VCC Filtering and Signal Damping IDATA Filtering and Signal Damping Gate Resistor for External Low-Side Daisy Chain FET — Low-Side Daisy Chain Transistor Device Orientation xxxxxxx xxxxxxx xxxxxxx xxxxxxx xxxxxxx xxxxxxx X: 0g X: +1g X: 0g xxxxxxx xxxxxxx X: -1g X: 0g EARTH GROUND Figure 2. Device Orientation Diagram X: 0g MMA52xxKW 2 Sensors Freescale Semiconductor, Inc. Internal Block Diagram VCC CS SCLK SPI DIN DOUT Bu.


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