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ADIS16250

Dual-Axis Digital Inclinometer and Accelerometer

Analog Devices 

ADIS16250/ADIS16255

TABLE OF CONTENTS

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

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

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

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

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

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

Timing Specifications .................................................................. 5

Absolute Maximum Ratings............................................................ 6

ESD Caution.................................................................................. 6

Pin Configuration and Function Descriptions............................. 7

Recommended Layout ................................................................. 7

Typical Performance Characteristics ............................................. 8

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

Overview...................................................................................... 10

Relative Angle Estimate ............................................................. 10

REVISION HISTORY

11/09—Rev. C to Rev. D

Changes to Flash Memory, Endurance Parameter, Table 1......... 4

Changes to Figure 16........................................................................ 9

Changes to Control Register Structure Section.......................... 13

11/08—Rev. B to Rev. C

Deleted Temperature Sensor Parameter, Table 1.......................... 3

Added Logic Inputs Conditions and Digital Outputs

Conditions ......................................................................................... 4

3/07—Rev. A to Rev. B

Changes to Table 2 and Figure 2..................................................... 5

Changes to Table 8.......................................................................... 13

Changes to Table 9 and Table 11................................................... 14

Changes to Table 24........................................................................ 16

Changes to Data-Ready I/O Indicator Section ........................... 17

Changes to Self-Test Section ......................................................... 17

Factory Calibration .................................................................... 10

Auxiliary ADC Function........................................................... 10

Basic Operation .............................................................................. 11

Serial Peripheral Interface (SPI)............................................... 11

Data Output Register Access .................................................... 12

Programming and Control............................................................ 13

Control Register Overview ....................................................... 13

Control Register Structure ........................................................ 13

Calibration................................................................................... 14

Global Commands ..................................................................... 14

Operational Control................................................................... 15

Status and Diagnostics............................................................... 16

Outline Dimensions ....................................................................... 20

Ordering Guide .......................................................................... 20

2/07—Rev. 0 to Rev. A

Added ADIS16255..............................................................Universal

Changes to Table 1.............................................................................3

Changes to Table 2.............................................................................5

Changes to Figure 2...........................................................................5

Changes to Typical Performance Characteristics..........................8

Deleted Temperature Sensor Section........................................... 11

Added Factory Calibration Section.............................................. 11

Changes to Table 7.......................................................................... 12

Changes to Table 8.......................................................................... 13

Changes to Table 11 ....................................................................... 14

Changes to Table 19 ....................................................................... 16

Changes to Flash Memory Endurance Section .......................... 18

Changes to Ordering Guide .......................................................... 20

10/06—Revision 0: Initial Version

Rev. D | Page 2 of 20

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