Ah1802 – Diodes AH1802 User Manual
Page 4
AH1802
MICROPOWER, ULTRA-SENSITIVE OMNIPOLAR
HALL-EFFECT SENSOR SWITCH
AH1802
Document number: 31170 Rev. 8 - 2
4 of 11
December 2010
© Diodes Incorporated
Magnetic Characteristics
(T
A
= 25
°C, Vdd = 3V, Note 4 & 5)
(1mT=10 Gauss)
Symbol
Characteristic
Min
Typ.
Max
Unit
Bops(south pole to brand side)
Operate Point
20 28 40
Gauss
Bopn(north pole to brand side)
-40
-28
-20
Brps(south pole to brand side)
Release Point
10 20 -
Brpn(north pole to brand side)
-
-20
-10
Bhy(
Brpx
Bopx
−
)
Hysteresis 5
8
-
Notes:
4. Typical data is at T
A
= 25
°C, Vdd = 3V, and for design information only.
5. The magnetic characteristics may vary with supply voltage, operating temperature and after soldering.
B
hy
V
sat
V
cc
( O
u
tp
u
t
Vo
lt
ag
e
)
B
opn
B
rpn
0
( Magnetic flux density B )
Output
Turn on
Turn off
( off-state )
( on-state )
B
hy
V
sat
V
cc
( O
u
tp
u
t
Vo
lt
ag
e
)
B
rps
B
ops
0
( Magnetic flux density B )
Output
Turn off
Turn on
( off-state )
( on-state )