ADIS16250/ADIS16255

Rev. D | Page 2 of 20

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

 

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

 

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

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