Dual-Axis SPI Inertial Sensor
Freescale Semiconductor Data Sheet: Technical Information
Document Number: MMA65XX Rev. 3, 03/2012
Dual-Axis SPI Inert...
Description
Freescale Semiconductor Data Sheet: Technical Information
Document Number: MMA65XX Rev. 3, 03/2012
Dual-Axis SPI Inertial Sensor
MMA65xx, a SafeAssure solution, is a SPI-based, dual-axis, medium-g, overdamped lateral accelerometer designed for use in Automotive Airbag systems.
Features
±80g, ±105g or ±120g full-scale range, independently specified for each axis 3.3V or 5V single supply operation SPI-compatible serial interface 12-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 < 0.25 LSB/s slew
rate Pb-Free 16-Pin QFN, 6 by 6 Package
Referenced Documents AECQ100, Revision G, dated May 14, 2007 (http://www.aecouncil.com/)
Device MMA6519KW MMA6525KW MMA6527KW MMA6519KWR2 MMA6525KWR2 MMA6527KWR2
ORDERING INFORMATION
X-Axis Range
Y-Axis Range
±80g
±80g
±105g
±105g
±120g
±120g
±80g
±80g
±105g
±105g
±120g
±120g
Shipping Tubes Tubes Tubes
Tape & Reel Tape & Reel Tape & Reel
For user register array programming, please consult your Freescale representative.
MMA65xx
Bottom View
16 LEAD QFN 6 mm by 6 mm CASE 2086-01
© 2011-2012 Freescale Semiconductor, Inc. All rights reserved.
VCC
VCC
CS
VREG
SCLK
VREGA
MOSI
MISO
C1 C2 C3
MMA65xx
VSSA VSS VPP/TEST
ARM_X ARM_Y
Figure 1. Application Diagram
Table 1. External Component Recommendations
Ref Des
Type
Descripti...
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