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Freescale Semiconductor - Dual-Axis SPI Inertial Sensor

Numéro de référence MMA6821BKW
Description Dual-Axis SPI Inertial Sensor
Fabricant Freescale Semiconductor 
Logo Freescale Semiconductor 





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MMA6821BKW fiche technique
Freescale Semiconductor
Data Sheet: Technical Data
Document Number: MMA68xx
Rev. 5, 03/2012
Dual-Axis SPI Inertial Sensor
MMA68xx, a SafeAssure solution, is a SPI-based, 2-axis, medium-g, over-
damped lateral accelerometer designed for use in automotive airbag systems.
Features
• ±20g to ±120g full-scale range, independently specified for each axis
• 3.3V or 5V single supply operation
• SPI-compatible serial interface
• 10-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/)
MMA68xx
Bottom View
16 LEAD QFN
6 mm by 6 mm
CASE 2086-01
Top View
ORDERING INFORMATION
Device
X-Axis
Range
Y-Axis
Range
MMA6811BKW
MMA6813BKW
MMA6821BKW
MMA6823BKW
MMA6825BKW
MMA6826BKW
MMA6827BKW
MMA6811BKWR2
MMA6813BKWR2
MMA6821BKWR2
MMA6823BKWR2
MMA6825BKWR2
MMA6826BKWR2
MMA6827BKWR2
±60g
±50g
±120g
±120g
±100g
±60g
±120g
±60g
±50g
±120g
±120g
±100g
±60g
±120g
±25g
±50g
±25g
±60g
±100g
±60g
±120g
±25g
±50g
±25g
±60g
±100g
±60g
±120g
Shipping
Tubes
Tubes
Tubes
Tubes
Tubes
Tubes
Tubes
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
16 15 14 13
VREGA 1
VSS 2
VREG 3
VSS 4
17
56
12 CS
11 MOSI
10 SCLK
9 VCC
78
Pin Connections
© 2010-2012 Freescale Semiconductor, Inc. All rights reserved.

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