ADIS16480SLASHPCBZ datasheet(2/40 Pages) AD

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ADIS16480

Data Sheet

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

Timing Specifications .................................................................. 6

Absolute Maximum Ratings............................................................ 7

ESD Caution.................................................................................. 7

Pin Configuration and Function Descriptions............................. 8

Typical Performance Characteristics ............................................. 9

Basic Operation............................................................................... 10

SPI Communication................................................................... 11

Device Configuration ................................................................ 11

Reading Sensor Data.................................................................. 11

User Registers.................................................................................. 12

Output Data Registers.................................................................... 16

Inertial Sensor Data Format...................................................... 16

Rotation Rate (Gyroscope)........................................................ 16

Acceleration................................................................................. 17

Delta Angles ................................................................................ 17

Delta Velocity.............................................................................. 18

Magnetometers ........................................................................... 19

Roll, Pitch, Yaw Angles .............................................................. 19

Barometer .................................................................................... 21

Internal Temperature ................................................................. 21

Status/Alarm Indicators............................................................. 22

Firmware Revision...................................................................... 23

Product Identification................................................................ 23

Digital Signal Processing ............................................................... 24

Gyroscopes/Accelerometers...................................................... 24

Averaging/Decimation Filter .................................................... 24

Magnetometer/Barometer......................................................... 24

FIR Filter Banks.......................................................................... 25

Extended Kalman Filter................................................................. 27

Algorithm .................................................................................... 27

Covariance Terms....................................................................... 27

Reference Frame......................................................................... 28

Reference Transformation Matrix............................................ 28

Declination.................................................................................. 29

Adaptive Operation.................................................................... 29

Calibration....................................................................................... 30

Gyroscopes.................................................................................. 30

Accelerometers ........................................................................... 31

Magnetometers........................................................................... 31

Barometers .................................................................................. 33

Restoring Factory Calibration .................................................. 33

Point of Percussion Alignment................................................. 33

Alarms.............................................................................................. 34

Static Alarm Use......................................................................... 34

Dynamic Alarm Use .................................................................. 34

System Controls.............................................................................. 36

Global Commands ..................................................................... 36

Memory Management ............................................................... 36

General-Purpose I/O ................................................................. 37

Power Management.................................................................... 37

Applications Information .............................................................. 39

Prototype Interface Board......................................................... 39

Installation Tips.......................................................................... 39

Outline Dimensions....................................................................... 40

Ordering Guide .......................................................................... 40

REVISION HISTORY

5/12—Revision 0: Initial Version

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