MLX90288 Datasheet, PDF (2/19 Pages) Melexis Microelectronic Systems – SMD Programmable Linear Hall Sensor IC Featuring Analog Ratiometric Output

MLX90288
SMD Programmable Linear Hall Sensor IC
Featuring Analog Ratiometric Output
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^st Order) .................................................................................................................................................. 13
7.3 Quadratic Compensation (2^nd Order) ............................................................................................................................................ 13
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
3901090288
Rev 002
Page 2 of 19
May/12