AH1804
MICROPOWER OMNIPOLAR HALL EFFECT SENSORSWITCH
AH1804
Document number: DS35314 Rev. 2 - 2
4 of 9
www.diodes.com
September 2011
?Diodes Incorporated
Magnetic Characteristics (T
A
= 25?/SPAN>C, V
DD
= 3.3V, Note 6)
(1mT=10 Gauss)
Symbol
Characteristics
Min
Typ.
Max
Unit
Bops(south pole to brand side)
Operation Point
20
40
60
Gauss
Bopn(north pole to brand side)
-60
-40
-20
Brps(south pole to brand side)
Release Point
15
32
-
Brpn(north pole to brand side)
-
-32
-15
Bhy (|Bopx|-|Brpx|)
Hysteresis
8
-
Notes: 6. The magnetic characteristics may vary with operating temperature and after soldering.
Bhy
Vsat
Vcc
Bopn Brpn 0
( Magnetic flux density B )
Output
Turn on
Turn off
( off-state )
( on-state )
Bhy
Vsat
Vcc
Brps Bops
0
( Magnetic flux density B )
Output
Turn off
Turn on
( off-state )
( on-state )