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ADXL346ACCZ-RL Datasheet(Arkusz danych) 2 Page - Analog Devices

Numer części ADXL346ACCZ-RL
Szczegółowy opis  3-Axis, ±2 g/±4 g/±8 g/±16 g Ultralow Power DIgital Accelerometer
Pobierz  40 Pages
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Producent  AD [Analog Devices]
Strona internetowa  http://www.analog.com
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ADXL346
Rev. 0 | Page 2 of
40
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 ...................................................................... 12
 
Power Sequencing ...................................................................... 12
 
Power Savings ............................................................................. 13
 
Serial Communications ................................................................. 14
 
SPI................................................................................................. 14
 
I2C ................................................................................................. 17
 
Interrupts..................................................................................... 19
 
FIFO ............................................................................................. 20
 
Self-Test........................................................................................ 21
 
Register Map.................................................................................... 22
 
Register Definitions ................................................................... 23
 
Applications Information .............................................................. 29
 
Power Supply Decoupling ......................................................... 29
 
Mechanical Considerations for Mounting.............................. 29
 
Tap Detection.............................................................................. 29
 
Improved Tap Detection............................................................ 30
 
Tap Sign ....................................................................................... 30
 
Threshold .................................................................................... 31
 
Link Mode ................................................................................... 31
 
Sleep Mode vs. Low Power Mode............................................. 31
 
Offset Calibration....................................................................... 31
 
Using Self-Test ............................................................................ 32
 
Orientation Sensing ................................................................... 32
 
Data Formatting of Upper Data Rates..................................... 34
 
Noise Performance ..................................................................... 35
 
Operation at Voltages Other Than 2.6 V ................................ 35
 
Offset Performance at Lowest Data Rates............................... 36
 
Axes of Acceleration Sensitivity ............................................... 37
 
Layout and Design Recommendations ................................... 38
 
Outline Dimensions ....................................................................... 39
 
Ordering Guide .......................................................................... 39
 
REVISION HISTORY
5/10—Revision 0: Initial Version




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