US2881

Bipolar Hall Switch – Very High Sensitivity

3901002881

Page 2 of 12

Data Sheet

Rev 012

Aug/06

Table of Contents

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

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

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

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

5 Pin Definitions and Descriptions................................................................................... 3

6 General Electrical Specifications .................................................................................. 4

7 Magnetic Specifications ................................................................................................. 4

8 Output Behaviour versus Magnetic Pole ...................................................................... 4

9 Detailed General Description ......................................................................................... 5

10 Unique Features............................................................................................................ 5

11 Performance Graphs .................................................................................................... 6

12 Test Conditions............................................................................................................. 7

12.1 Supply Current.........................................................................................................................................7

12.2 Output Saturation Voltage .......................................................................................................................7

12.3 Output Leakage Current ..........................................................................................................................7

12.4 Magnetic Thresholds ...............................................................................................................................7

13 Application Information................................................................................................ 8

13.1 Typical Three-Wire Application Circuit ....................................................................................................8

13.2 Two-Wire Circuit ......................................................................................................................................8

13.3 Automotive and Harsh, Noisy Environments Three-Wire Circuit ............................................................8

14 Application Comments ................................................................................................. 8

15 Standard information regarding manufacturability of Melexis products with

different soldering processes........................................................................................... 9

16 ESD Precautions ........................................................................................................... 9

17 Package Information................................................................................................... 10

17.1 SE Package (TSOT-3L).........................................................................................................................10

17.2 UA Package (TO-92 flat) .......................................................................................................................11

18 Disclaimer.................................................................................................................... 12