ADXL343 查看數據表（PDF） - Analog Devices
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ADXL343 Datasheet PDF : 36 Pages
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ADXL343
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 5
Thermal Resistance ...................................................................... 5
Package Information .................................................................... 5
ESD Caution.................................................................................. 5
Pin Configuration and Function Descriptions............................. 6
Typical Performance Characteristics ............................................. 7
Theory of Operation ...................................................................... 11
Power Sequencing ...................................................................... 11
Power Savings.............................................................................. 12
Serial Communications ................................................................. 13
SPI................................................................................................. 13
I2C ................................................................................................. 16
Interrupts ..................................................................................... 18
FIFO ............................................................................................. 19
REVISION HISTORY
4/12—Revision 0: Initial Version
Data Sheet
Self-Test ....................................................................................... 20
Register Map ................................................................................... 21
Register Definitions ................................................................... 22
Applications Information .............................................................. 26
Power Supply Decoupling ......................................................... 26
Mechanical Considerations for Mounting.............................. 26
Tap Detection.............................................................................. 26
Threshold .................................................................................... 27
Link Mode ................................................................................... 27
Sleep Mode vs. Low Power Mode............................................. 28
Offset Calibration....................................................................... 28
Using Self-Test ............................................................................ 29
Data Formatting of Upper Data Rates..................................... 30
Noise Performance ..................................................................... 31
Operation at Voltages Other Than 2.5 V ................................ 31
Offset Performance at Lowest Data Rates............................... 32
Axes of Acceleration Sensitivity ............................................... 33
Layout and Design Recommendations ................................... 34
Outline Dimensions ....................................................................... 35
Ordering Guide .......................................................................... 35
Rev. 0 | Page 2 of 36
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