BU52273NUZ Datasheet, PDF (2/20 Pages) Rohm – Omnipolar Detection Hall IC

BU52273NUZ
Contents
General Description ........................................................................................................................................................................1
Features.......................................................................................................................................................................................... 1
Applications ....................................................................................................................................................................................1
Key Specifications ..........................................................................................................................................................................1
Package .......................................................................................................................................................................................... 1
Typical Application Circuit, and Block Diagram ...............................................................................................................................1
Pin Descriptions..............................................................................................................................................................................1
Pin Configurations ..........................................................................................................................................................................1
Absolute Maximum Ratings ............................................................................................................................................................3
Thermal Resistance........................................................................................................................................................................3
Recommended Operating Conditions .............................................................................................................................................4
Magnetic, Electrical Characteristics ................................................................................................................................................4
Measurement Circuit.......................................................................................................................................................................5
Typical Performance Curves...........................................................................................................................................................6
Figure 5. Operate Point, Release Point vs Ambient Temperature ................................................................................................6
Figure 6. Operate Point, Release Point vs Supply Voltage ..........................................................................................................6
Figure 7. Period vs Ambient Temperature ....................................................................................................................................6
Figure 8. Period vs Supply Voltage ..............................................................................................................................................6
Figure 9. Supply Current vs Ambient Temperature ......................................................................................................................7
Figure 10. Supply Current vs Supply Voltage...............................................................................................................................7
Description of Operations ...............................................................................................................................................................8
Intermittent Operation at Power ON.............................................................................................................................................. 11
Magnet Selection .......................................................................................................................................................................... 11
Position of the Hall Element.......................................................................................................................................................... 11
I/O Equivalence Circuit ................................................................................................................................................................. 11
Operational Notes.........................................................................................................................................................................12
Ordering Information.....................................................................................................................................................................14
Marking Diagrams.........................................................................................................................................................................14
Physical Dimension, Tape and Reel Information...........................................................................................................................15
Revision History............................................................................................................................................................................16
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