US2881

Bipolar Hall Switch – Very High Sensitivity

3901002881

Rev 013

Page 2 of 12

Data Sheet

Mar/12

Table of Contents

1 Functional Diagram ........................................................................................................ 2

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

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

4 Absolute Maximum Ratings ........................................................................................... 4

5 Pin Definitions and Descriptions................................................................................... 4

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

7 Magnetic Specifications ................................................................................................. 5

8 Output Behaviour versus Magnetic Pole ...................................................................... 5

9 Detailed General Description ......................................................................................... 6

10 Unique Features............................................................................................................ 6

11 Performance Graphs .................................................................................................... 7

12 Test Conditions............................................................................................................. 8

12.1 Supply Current.........................................................................................................................................8

12.2 Output Saturation Voltage .......................................................................................................................8

12.3 Output Leakage Current ..........................................................................................................................8

12.4 Magnetic Thresholds ...............................................................................................................................8

13 Application Information................................................................................................ 9

13.1 Typical Three-Wire Application Circuit ....................................................................................................9

13.2 Two-Wire Circuit ......................................................................................................................................9

13.3 Automotive and Harsh, Noisy Environments Three-Wire Circuit ............................................................9

14 Application Comments ................................................................................................. 9

15 Standard information regarding manufacturability of Melexis products with

different soldering processes..........................................................................................10

16 ESD Precautions ...........................................................................................................10

17 Package Information................................................................................................... 11

17.1 SE Package (TSOT-3L).........................................................................................................................11

17.2 UA Package (TO-92 flat) .......................................................................................................................12

18 Disclaimer.................................................................................................................... 13