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KX022-1020 Datasheet, PDF (2/75 Pages) List of Unclassifed Manufacturers – Accelerometer Specifications
± 2g / 4g / 8g Tri-axis Digital
Accelerometer Specifications
PART NUMBER:
KX022-1020
Rev. 11.0
10-Sep-15
Table of Contents
PRODUCT DESCRIPTION ....................................................................................................................................................................1
FEATURES .........................................................................................................................................................................................1
TABLE OF CONTENTS.........................................................................................................................................................................2
FUNCTIONAL DIAGRAM ....................................................................................................................................................................5
PRODUCT SPECIFICATIONS................................................................................................................................................................6
MECHANICAL ............................................................................................................................................................................................ 6
ELECTRICAL............................................................................................................................................................................................... 7
Start Up Time Profile ........................................................................................................................................................................ 8
Current Profile .................................................................................................................................................................................. 8
Power-On Procedure......................................................................................................................................................................... 9
ENVIRONMENTAL..................................................................................................................................................................................... 10
TERMINOLOGY ........................................................................................................................................................................................ 11
g...................................................................................................................................................................................................... 11
Sensitivity........................................................................................................................................................................................ 11
Zero-g offset ................................................................................................................................................................................... 11
Self-test........................................................................................................................................................................................... 11
FUNCTIONALITY ....................................................................................................................................................................................... 12
Sense element................................................................................................................................................................................. 12
ASIC interface ................................................................................................................................................................................. 12
Factory calibration.......................................................................................................................................................................... 12
APPLICATION SCHEMATIC .......................................................................................................................................................................... 13
PIN DESCRIPTIONS ................................................................................................................................................................................... 13
TEST SPECIFICATIONS................................................................................................................................................................................ 14
PACKAGE DIMENSIONS AND ORIENTATION ................................................................................................................................................... 15
Dimensions ..................................................................................................................................................................................... 15
Orientation ..................................................................................................................................................................................... 16
DIGITAL INTERFACE.........................................................................................................................................................................18
I2C SERIAL INTERFACE............................................................................................................................................................................... 18
I2C Operation .................................................................................................................................................................................. 19
Writing to 8-bit Register ................................................................................................................................................................. 20
Reading from 8-bit Register............................................................................................................................................................ 20
Data Transfer Sequences ................................................................................................................................................................ 21
HS-mode ......................................................................................................................................................................................... 22
I2C Timing Diagram......................................................................................................................................................................... 23
SPI COMMUNICATIONS............................................................................................................................................................................. 24
4-Wire SPI Interface ........................................................................................................................................................................ 24
4-Wire SPI Timing Diagram ............................................................................................................................................................ 25
4-Wire Read and Write Registers ................................................................................................................................................... 26
3-Wire SPI Interface ........................................................................................................................................................................ 27
3-Wire SPI Timing Diagram ............................................................................................................................................................ 28
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