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AH1891
MINIATURE MICROPOWER OMNIPOLAR
HALL EFFECT SWITCH
 
AH1891  
Document number: DS35207 Rev. 1 - 2 
3 of 7
www.diodes.com
April 2011
?Diodes Incorporated 
Electrical Characteristics (T
A
 = 25?/SPAN>C, Vdd
 
= 1.8V, unless otherwise specified)
 
Symbol
Parameter
Conditions
Min
Typ.
Max
Unit
V
OH
 
Output On Voltage (High side)
I
O
= -0.5mA
Vdd-0.2
-
-
V
V
OL
 
Output On Voltage (Low side)
I
O
= 0.5mA
-
-
0.2
V
Ioff
Output Leakage Current
Output off
-
<0.1
1
礎
Idd(en)
Supply Current
Chip enable
-
2
4
mA
Idd(dis)
Chip disable
-
5
8
uA
Idd(avg)
Average supply current
-
7
12
uA
Tawake
Awake Time
 
-
50
100
祍
Tperiod
Period
 
-
50
100
ms
D.C.
Duty Cycle
 
-
0.1
-
%
 
 
Magnetic Characteristics (T
A
= 25?/SPAN>C, Vdd = 1.8V~3.3V, Note 1) 
(1mT=10 Gauss)
Symbol
Parameter
(Note 2)
Min
Typ.
Max
Unit
Bops(south pole to brand side)
Operate Point
20
40
60
Gauss
Bopn(north pole to brand side)
-60
-40
-20
Brps(south pole to brand side)
Release Point
12
25
50
Brpn(north pole to brand side)
-50
-25
-12
Bhy(|Bopx|-|Brpx|)
Hysteresis
 
15
 
Notes:
1. Typical data is at T
A
 = 25癈, Vdd = 3V, and for design information only.
 
2. Operate point and release point will vary with supply voltage and operating temperature.
 
 
 
 
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