US5781

Unipolar Hall Switch – Medium Sensitivity

3901005781

Page 2 of 11

Data Sheet

Rev 013

Nov/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

11.2 Magnetic Switch Points vs Temperature .................................................................................................6

12 Application Information................................................................................................ 7

12.1 Typical Three-Wire Application Circuit ....................................................................................................7

12.2 Two-Wire Circuit ......................................................................................................................................7

12.3 Automotive and Harsh, Noisy Environments Three-Wire Circuit ............................................................7

13 Application Comments ................................................................................................. 7

14 Standard information regarding manufacturability of Melexis products with

different soldering processes........................................................................................... 8

15 ESD Precautions ........................................................................................................... 8

16 Package Information..................................................................................................... 9

16.1 SE Package (TSOT-3L)...........................................................................................................................9

16.2 UA Package (TO-92 flat) .......................................................................................................................10

17 Disclaimer.................................................................................................................... 11