ADIS16475

Data Sheet

Rev. D | Page 2 of 37

TABLE OF CONTENTS

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

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

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

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

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

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

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

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

Thermal Resistance ...................................................................... 7

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

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

Typical Performance Characteristics........................................... 10

Theory of Operation ...................................................................... 12

Introduction................................................................................ 12

Inertial Sensor Signal Chain ..................................................... 12

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

Serial Peripheral Interface (SPI)............................................... 14

Data Ready (DR) ........................................................................ 14

Reading Sensor Data.................................................................. 15

Device Configuration ................................................................ 16

User Register Memory Map.......................................................... 17

User Register Defintions ............................................................... 19

Gyroscope Data .......................................................................... 19

Delta Angles................................................................................ 22

Delta Velocity ............................................................................. 24

Calibration .................................................................................. 25

Applications Information ............................................................. 32

Assembly and Handling Tips ................................................... 32

Power Supply Considerations .................................................. 33

Serial Port Operation................................................................. 33

Digital Resolution of Gyroscopes and Accelerometers ........ 33

Evaluation Tools......................................................................... 34

Tray Drawing.............................................................................. 36

Packaging and Ordering Information......................................... 37

Outline Dimensions................................................................... 37

Ordering Guide .......................................................................... 37

REVISION HISTORY

4/2020—Rev. C to Rev. D

Change to Logic Inputs Parameter, Table 1 ................................. 4

Changes to Endnote 1, Table 3....................................................... 7

4/2019—Rev. B to Rev. C

Changes to Serial Peripheral Interface (SPI) Section ................ 14

Changes to Figure 32 ..................................................................... 15

Changes to Table 10 and Gyroscope Data Section.................... 19

Changes to Acceleration Data Section ........................................ 20

Added Accelerometer Data Formatting Section........................ 21

Deleted Accelerometer Resolution Section ................................ 21

Added Serial Port Operation Section, Maximum Throughput

Section, Serial Port SCLK Underrun/Overrun Conditions Section,

and Digital Resolution of Gyroscopes and Accelerometers Section

.....................................................................................................................33

Moved Gyroscope Data Width (Digital Resolution) Section... 33

Moved Accelerometer Data Width (Digital Resolution) Section. 33

Moved Figure 52 and Figure 53.................................................... 35

Added Tray Drawing Section ....................................................... 36

Added Figure 54 ............................................................................. 36

1/2019—Rev. A to Rev. B

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

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

Changes to Figure 5 ..........................................................................6

Changes to Figure 11 ..................................................................... 10

Added Figure 12 and Figure 13; Renumbered Sequentially..... 10

Added Figure 14, Figure 15, Figure 16, and Figure 17.............. 11

Changes to Figure 18, Figure 19, and Figure 20 ........................ 12

Changes to Figure 22 and Figure 23............................................ 13

Added Gyroscope Data Width (Digital Resolution) Section... 19

Changes to Gyroscope Measurement Range/Scale Factor Section,

Table 11, Table 12, Table 13, Table 17, Table 21, and Table 25 20

Added Accelerometer Data Width (Digital Resolution)

Section.............................................................................................. 21

Change to Calibration, Accelerometer Bias (XA_BIAS_LOW

and XA_BIAS_HIGH) Section..................................................... 26

Change to Filter Control Register (FILT_CTRL) Section........ 27

Changes to Direct Sync Mode Section and to Pulse Sync Mode

Section.............................................................................................. 28

Changes to Sensor Self Test Section ............................................ 30

11/2017—Rev. 0 to Rev. A

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

Deleted Endnote 1, Table 1; Renumbered Sequentially...............4

Added Endnote 2, Table 1; Renumbered Sequentially ................4

10/2017—Revision 0: Initial Version