MLX90251_12 Datasheet, PDF (3/20 Pages) Melexis Microelectronic Systems – Programmable Linear Hall Effect Sensor

MLX90251
Programmable Linear Hall Effect Sensor
Table of Contents
1 Functional Diagram ........................................................................................................... 2
2 General Description .......................................................................................................... 2
3 Glossary of Terms............................................................................................................. 4
4 Maximum Ratings ............................................................................................................. 4
5 Detailed Block Diagram..................................................................................................... 5
5.1 Detailed Description .................................................................................................... 5
6 General Electrical Specifications....................................................................................... 6
7 Programming Range ......................................................................................................... 7
8 Timing Specifications ........................................................................................................ 7
9 Accuracy ........................................................................................................................... 7
10 Programmable Features ................................................................................................. 8
10.1 Output Quiescent Voltage (V_OQ)................................................................................ 9
10.2 Thermal V_OQ Drift (DRIFT) ........................................................................................ 9
10.3 Sensitivity, Rough Gain and Fine Gain ..................................................................... 9
10.4 Sensitivity Range Selection..................................................................................... 10
10.5 Sensitivity Polarity (INVERT)................................................................................... 12
10.6 Clamping Levels (CLAMPLOW, CLAMPHIGH)....................................................... 12
10.7 Filter (FILTER) ........................................................................................................ 13
10.8 Sensitivity Temperature Compensation (TC, TCW, TC²) ........................................ 13
10.9 Diagnostic Output Level (FAULTLEV)..................................................................... 14
10.10 The EEPROM, Parity, and Melexis CRC .............................................................. 14
10.11 Output Amplifier Configuration (MODE) ................................................................ 14
10.12 Memory Lock (MEMLOCK) ................................................................................... 14
10.13 IC traceability ........................................................................................................ 15
11 Performance Graphs..................................................................................................... 15
12 Applications Information................................................................................................ 16
12.1 Application Circuits – VA-package .......................................................................... 16
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 VA Package Outline and Hall Plate Position ........................................................... 19
16 Disclaimer ..................................................................................................................... 20
3901090251
Rev 012
Page 3 of 20
Data Sheet
Oct/2012