ADIS16227 View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

ADIS16227

Digital Triaxial Vibration Sensor with FFT Analysis and Storage

Analog Devices 

ADIS16227

Data Sheet

TABLE OF CONTENTS

Features .............................................................................................. 1

Spectral Alarms............................................................................... 13

Applications....................................................................................... 1

Alarm Definition ........................................................................ 13

General Description ......................................................................... 1

Alarm Indicator Signals............................................................. 14

Functional Block Diagram .............................................................. 1

Alarm Flags and Conditions..................................................... 15

Revision History ............................................................................... 2

Alarm Status................................................................................ 15

Specifications..................................................................................... 3

Worst-Condition Monitoring ................................................... 15

Timing Specifications .................................................................. 4

Reading Output Data ..................................................................... 16

Absolute Maximum Ratings............................................................ 5

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

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

Theory of Operation ........................................................................ 7

E Sensing Element ........................................................................... 7

Signal Processing .......................................................................... 7

T User Interface ................................................................................ 7

Basic Operation................................................................................. 8

SPI Write Commands .................................................................. 8

E SPI Read Commands ................................................................... 8

Data Recording and Signal Processing ........................................ 10

Recording Modes........................................................................ 10

L Recording Times......................................................................... 10

Power-Down ............................................................................... 11

Record Storage Mode ................................................................. 11

O Sample Rate Options.................................................................. 11

Windowing Options................................................................... 11

S Range............................................................................................ 12

Offset Correction........................................................................ 12

FFT Averaging ............................................................................ 12

B FFT Record Flash Endurance ................................................... 12

REVISION HISTORY

O 5/12—Rev. A to Rev. B

Reading Data from the Data Buffer ......................................... 16

Accessing FFT Record Data...................................................... 16

Data Format ................................................................................ 16

Power Supply/Temperature....................................................... 17

FFT Event Header ...................................................................... 17

System Tools.................................................................................... 18

Global Commands ..................................................................... 18

Status/Error Flags ....................................................................... 18

Operation Managment .............................................................. 18

Input/Output Functions ............................................................ 19

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

Flash Memory Management ..................................................... 20

Device Identification.................................................................. 20

Applications Information .............................................................. 21

Mounting Guidelines ................................................................. 21

Getting Started............................................................................ 21

Interface Board ........................................................................... 21

Outline Dimensions ....................................................................... 22

Ordering Guide .......................................................................... 22

Changes to Alarm Trigger Settings Section, Enable Alarm

Changes to Table 10........................................................................ 10

Settings Section, Table 27, Table 28, Table 30, and

Table 31 ............................................................................................ 14

2/12—Rev. 0 to Rev. A

Change to Alarm Indicator Section ............................................. 19

Changes to Dual Memory Structure Section ................................ 7

Change to Table 14 ......................................................................... 11

10/10—Revision 0: Initial Version

Rev. B | Page 2 of 24

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