MLX90288

SMD Programmable Linear Hall Sensor IC

Featuring Analog Ratiometric Output

3901090288

Page 2 of 19

Rev 002

May/12

2 Table of Contents

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

2 Table of Contents .................................................................................................................................................................................. 2

3 General Description............................................................................................................................................................................... 3

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

5 Specification .......................................................................................................................................................................................... 3

5.1 Absolute Maximum Ratings ............................................................................................................................................................ 3

5.2 Electrical Specification.................................................................................................................................................................... 4

5.3 Timing Specification ....................................................................................................................................................................... 5

5.4 Transfer Characteristic Specification .............................................................................................................................................. 5

5.5 Accuracy Specification ................................................................................................................................................................... 6

5.6 Diagnostic Specification ................................................................................................................................................................. 7

5.7 Startup, Undervoltage, Overvoltage and Reset Specification.......................................................................................................... 7

5.8 EMC/ESD Specification.................................................................................................................................................................. 8

6 EEPROM Mapping ................................................................................................................................................................................ 9

6.1 EEPROM Description..................................................................................................................................................................... 9

6.2 Melexis Programmable Parameters................................................................................................................................................ 9

6.2.1 OSCTRIM [4:0] ....................................................................................................................................................................... 9

6.2.2 TRIMCTAT [4:0]...................................................................................................................................................................... 9

6.2.3 ITRIM[2:0] ............................................................................................................................................................................... 9

6.2.4 IPLATE[3:0] ............................................................................................................................................................................ 9

6.2.5 TC1ST[6:0] ............................................................................................................................................................................. 9

6.2.6 TC2ND[5:0]........................................................................................................................................................................... 10

6.2.7 TC3RD[2:0]........................................................................................................................................................................... 10

6.2.8 PLATEPOL ........................................................................................................................................................................... 10

6.2.9 OFFCST[4:0] ........................................................................................................................................................................ 10

6.2.10 OFFDRIFT[5:0] ................................................................................................................................................................... 10

6.2.11 ROUGHGAIN[2].................................................................................................................................................................. 10

6.2.12 XA[13:0].............................................................................................................................................................................. 10

6.2.13 MLXID[31:0] ........................................................................................................................................................................ 10

6.2.14 CRC[9:0] ............................................................................................................................................................................. 11

6.3 End User Programmable Parameters ........................................................................................................................................... 11

6.3.1 FAULTONCLIP ..................................................................................................................................................................... 11

6.3.2 DIAGINFAULT ...................................................................................................................................................................... 11

6.3.3 FILTCODE[3:0] ..................................................................................................................................................................... 11

6.3.4 TEMPSENSOR..................................................................................................................................................................... 11

6.3.5 SECONDORDERTC ............................................................................................................................................................. 12

6.3.6 TEMPOFF[9:0]...................................................................................................................................................................... 12

6.3.7 TEMPTC[7:0] ........................................................................................................................................................................ 12

6.3.8 CLPLow[8:0] ......................................................................................................................................................................... 12

6.3.9 CLPHigh[9:0] ........................................................................................................................................................................ 12

6.3.10 ROUGHGAIN[1:0]............................................................................................................................................................... 12

6.3.11 ATTN2P5 ............................................................................................................................................................................ 12

6.3.12 FINEGAIN[12:0] .................................................................................................................................................................. 12

6.3.13 YA[13:0].............................................................................................................................................................................. 12

6.3.14 CSTID[15:0] ........................................................................................................................................................................ 12

7 Thermal Sensitivity Drift Compensation ............................................................................................................................................... 13

7.1 Introduction .................................................................................................................................................................................. 13

7.2 Linear Compensation (1

7.3 Quadratic Compensation (2

7.4 Additional Information................................................................................................................................................................... 14

8 Standard information regarding manufacturability of Melexis products with different soldering processes............................................ 15

9 Package Specification ......................................................................................................................................................................... 16

9.1 Package Dimensions.................................................................................................................................................................... 16

9.2 Package Marking.......................................................................................................................................................................... 16

9.3 Pinout........................................................................................................................................................................................... 17

10 Recommended Application Diagram .................................................................................................................................................. 18

11 Disclaimer.......................................................................................................................................................................................... 19