MLX90366

Triaxis



Position Sensor Assembly feat. SENT

MLX90366

Page 4 of 34

Datasheet

Rev. 1.0

25/Jun/13

TABLE of CONTENTS

FEATURES AND BENEFITS ....................................................................................................................... 1

APPLICATIONS............................................................................................................................................ 1

ORDERING INFORMATION......................................................................................................................... 1

1.

FUNCTIONAL DIAGRAM...................................................................................................................... 2

2.

DESCRIPTION....................................................................................................................................... 3

3.

GLOSSARY OF TERMS

 ABBREVIATIONS  ACRONYMS ............................................................ 6

4.

PINOUT.................................................................................................................................................. 6

5.

ABSOLUTE MAXIMUM RATINGS ....................................................................................................... 7

6.

DESCRIPTION....................................................................................................................................... 7

7.

MLX90366 ELECTRICAL SPECIFICATION......................................................................................... 9

8.

MLX90366 TIMING SPECIFICATION ................................................................................................. 10

8.1.

TIMING DIAGRAMS ........................................................................................................................................11

8.2.

APPLICATION DIAGRAM USED FOR RISE AND FALL TIME MEASUREMENT.......................................................12

9.

MLX90366 ACCURACY SPECIFICATION ......................................................................................... 13

10. MLX90366 MAGNETIC SPECIFICATION .......................................................................................... 14

11. MLX90366 CPU & MEMORY SPECIFICATION ................................................................................. 14

12. MLX90366 END-USER PROGRAMMABLE ITEMS ........................................................................... 15

13. SENT OUTPUT PROTOCOL .............................................................................................................. 16

13.1.

GENERALITY .............................................................................................................................................16

13.2.

SINGLE SECURE FAST CHANNEL ...............................................................................................................16

13.2.1.

Frame Content......................................................................................................................................16

13.2.2.

Diagnostic Reporting through the fast channel....................................................................................16

13.2.3.

Pause pulse...........................................................................................................................................17

13.2.4.

Fast Channel CRC................................................................................................................................17

13.3.

SLOW CHANNEL........................................................................................................................................17

13.3.1.

Enhanced Serial Message ....................................................................................................................17

13.3.2.

Serial Message Sequence .....................................................................................................................18

13.3.3.

Serial message sequence period ...........................................................................................................19

13.3.4.

Serial Message Error Code ..................................................................................................................19

13.4.

START-UP..................................................................................................................................................20

13.5.

FIELD SENSING (ADC CONVERSIONS) AND THE FRAME SYNCHRO PULSE ..................................................20

14. DESCRIPTION OF END-USER PROGRAMMABLE ITEMS.............................................................. 21

14.1.

OUTPUT TRANSFER CHARACTERISTIC.......................................................................................................21

14.1.1.

CLOCKWISE Parameter......................................................................................................................21

14.1.2.

Discontinuity Point (or Zero Degree Point).........................................................................................22

14.1.3.

17-Pts LNR Parameters........................................................................................................................22

14.1.4.

CLAMPING Parameters ......................................................................................................................23

14.2.

IDENTIFICATION ........................................................................................................................................23

14.3.

SENSOR FRONT-END .................................................................................................................................23

14.3.1.

MAPXYZ...............................................................................................................................................24

14.3.2.

SMISM, k and SEL_k Parameters ........................................................................................................24

14.3.3.

GAINMIN and GAINMAX Parameters ................................................................................................24

14.4.

FILTER ......................................................................................................................................................25

14.5.

DIAGNOSTIC FEATURES ............................................................................................................................25

14.6.

EEPROM ENDURANCE .............................................................................................................................25