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Table of Contents
PRODUCT DESCRIPTION .............................................................................................................................................................. 1
FEATURES ................................................................................................................................................................................... 1
TABLE OF CONTENTS ................................................................................................................................................................... 2
FUNCTIONAL DIAGRAM .............................................................................................................................................................. 4
PRODUCT SPECIFICATIONS .......................................................................................................................................................... 5
MECHANICAL .................................................................................................................................................................................. 5
ELECTRICAL ..................................................................................................................................................................................... 6
Start Up Time Profile .................................................................................................................................................................. 7
Current Profile ............................................................................................................................................................................ 7
Power-On Procedure .................................................................................................................................................................. 8
ENVIRONMENTAL ........................................................................................................................................................................... 9
Handling, Mounting, Soldering................................................................................................................................................... 9
Floor Life ..................................................................................................................................................................................... 9
TERMINOLOGY .............................................................................................................................................................................. 10
g ................................................................................................................................................................................................ 10
Sensitivity ................................................................................................................................................................................. 10
Zero-g offset ............................................................................................................................................................................. 10
Self-test..................................................................................................................................................................................... 10
FUNCTIONALITY ............................................................................................................................................................................ 11
Sense element .......................................................................................................................................................................... 11
ASIC interface ........................................................................................................................................................................... 11
Factory calibration ................................................................................................................................................................... 11
APPLICATION SCHEMATIC ............................................................................................................................................................. 12
PIN DESCRIPTION .......................................................................................................................................................................... 12
PACKAGE DIMENSIONS AND ORIENTATION ................................................................................................................................. 13
Dimensions ............................................................................................................................................................................... 13
Orientation ............................................................................................................................................................................... 14
DIGITAL INTERFACE ................................................................................................................................................................... 18
I
2
C SERIAL INTERFACE ................................................................................................................................................................... 18
I
2
C OPERATION .............................................................................................................................................................................. 19
WRITING TO AN 8-BIT REGISTER ................................................................................................................................................... 20
READING FROM AN 8-BIT REGISTER ............................................................................................................................................. 21
DATA TRANSFER SEQUENCES ....................................................................................................................................................... 22
HS-MODE ...................................................................................................................................................................................... 23
I
2
C TIMING DIAGRAM.................................................................................................................................................................... 24
EMBEDDED REGISTERS.............................................................................................................................................................. 25
REGISTER DESCRIPTIONS........................................................................................................................................................... 26
ACCELEROMETER OUTPUTS .......................................................................................................................................................... 26