AH1803
MICROPOWER, ULTRA-SENSITIVE HALL EFFECT
SWITCH
AH1803 Rev. 9 5 of 9 OCTOBER 2009
DS31193 www.diodes.com ?/SPAN> Diodes Incorporated
(1mT = 10G)
Symbol
Parameter
Min
Typ.
Max
Unit
Bops(south pole to brand side)
2
3
4
Bopn(north pole to brand side)
Operation Point
-4
-3
-2
Brps(south pole to brand side)
1
2
-
Brpn(north pole to brand side)
Release Point
-
-2
-1
Bhy(
Brpx
Bopx
)
Hysteresis
0.5
1
-
mT
Notes: 6. Typical data is at T
A
=25 癈, Vdd=3V, and for design information only.
7. Magnetic characteristics are for design information, which will vary with supply voltage, 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 )
(1) SC59 (commonly known as SOT23 in Asia) and DFN2020-6
TA (?/SPAN>C)
25
50
60
70
80
85
90
100
110
120
130
140
150
PD (mW)
230 184 166 147 129
120
110
92
74
55
37
18
0
P ower Dissipation C urve
0
100
200
300
0
2 5
50
75
100
12 5
150
TA (
o
C)
P D (m W)
85
-40
Magnetic Characteristics (TA = 25?/SPAN>C, Vdd = 3V, Note 6, 7)
Performance Characteristics
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