MLX90277

Dual Programmable Linear Hall Effect Sensor

3901090277

Page 2 of 21

Data Sheet

Rev 004

Nov/06

Table of Contents

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

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

3 Glossary of Terms............................................................................................................. 3

4 Maximum Ratings ............................................................................................................. 3

5 Detailed Block Diagram..................................................................................................... 4

5.1 Detailed Description .................................................................................................... 4

6 General Electrical Specifications....................................................................................... 5

7 Programming Range ......................................................................................................... 6

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

9 Accuracy ........................................................................................................................... 6

10 Programmable Features ................................................................................................. 7

10.3 Sensitivity, Rough Gain and Fine Gain ..................................................................... 8

10.4 Sensitivity Range Selection....................................................................................... 9

10.5 Sensitivity Polarity (INVERT)................................................................................... 11

10.6 Clamping Levels (CLAMPLOW, CLAMPHIGH)....................................................... 11

10.7 Filter (FILTER) ........................................................................................................ 12

10.8 Sensitivity Temperature Compensation (TC, TCW, TC

10.9 Diagnostic Output Level (FAULTLEV)..................................................................... 13

10.10 The EEPROM, Parity and Melexis CRC ............................................................... 13

10.11 Output Amplifier Configuration (MODE) ................................................................ 14

10.12 Memory Lock (MEMLOCK) ................................................................................... 14

10.13 IC traceability ........................................................................................................ 14

11 Performance Graphs..................................................................................................... 14

12 Applications Information................................................................................................ 15

12.1 Application Circuits.................................................................................................. 15

12.2 Programming the Sensor ........................................................................................ 16

12.3 Calibration Procedure ............................................................................................. 17

13 Standard information regarding manufacturability of Melexis products with different

soldering processes ........................................................................................................... 18

14 ESD Precautions........................................................................................................... 18

15 Package Information ..................................................................................................... 19

15.1 Package Dimensions .............................................................................................. 19

15.2 Pin-out and Marking ................................................................................................ 20

15.3 Hall Plate Positioning .............................................................................................. 20

16 Disclaimer ..................................................................................................................... 21