ADXL312(RevB) 데이터 시트보기 (PDF) - Analog Devices

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ADXL312
(Rev.:RevB)

3-Axis, ±1.5 g/±3 g/±6 g/±12 g Digital Accelerometer

Analog Devices 

ADXL312

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

ESD Caution.................................................................................. 5

Pin Configuration and Function Descriptions............................. 6

Typical Performance Characteristics ............................................. 7

Theory of Operation ...................................................................... 10

Power Sequencing ...................................................................... 10

Power Savings.............................................................................. 10

Serial Communications ................................................................. 12

SPI................................................................................................. 12

I2C ................................................................................................. 15

Interrupts ..................................................................................... 17

REVISION HISTORY

4/2017—Rev. A to Rev. B

Changes to Standby Mode Leakage Current Parameter, Table 1...... 3

Updated Outline Dimensions ....................................................... 31

Changes to Ordering Guide .......................................................... 32

7/2015—Rev. 0 to Rev. A

Changes to Features Section............................................................ 1

Changes to Pin 22 Description, Table 4......................................... 6

Changes to Serial Communications Section, SPI Section,

Figure 21, and Figure 22 ................................................................ 12

Data Sheet

FIFO ............................................................................................. 18

Self-Test ....................................................................................... 19

Register Map ................................................................................... 20

Register Definitions ................................................................... 21

Applications Information .............................................................. 25

Power Supply Decoupling ......................................................... 25

Mechanical Considerations for Mounting.............................. 25

Threshold .................................................................................... 25

Link Mode ................................................................................... 25

Sleep Mode vs. Low Power Mode............................................. 25

Using Self-Test ............................................................................ 26

Data Formatting of Upper Data Rates..................................... 27

Noise Performance ..................................................................... 28

Axes of Acceleration Sensitivity ............................................... 29

Solder Profile................................................................................... 30

Outline Dimensions ....................................................................... 31

Ordering Guide .......................................................................... 32

Automotive Products ................................................................. 32

Added Serial Port I/O Default States Section ............................. 12

Added Preventing Bus Traffic Errors Section and Figure 23;

Renumbered Sequentially ............................................................. 13

Changes to FIFO Section............................................................... 18

Changes to Figure 41...................................................................... 31

12/2010—Revision 0: Initial Version

Rev. B | Page 2 of 32

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