AH1885
MICROPOWER, ULTRA-SENSITIVE HALL EFFECT
SWITCH
Typical Operating Characteristics
Switching Point
AH1885 Hysteresis vs Temperature (Vdd = 1.8V)
50
40
30
20
10
Gauss(G) 0
-10
-20
-30
-40
-50
-50 -25
0
Brpn
Bopn
Brps
Bops
Bhys_n
Bhys_s
25
50
75 100
Temperature
AH1885 Hysteresis vs Vdd (Ta =25 )
60
40
20
Gauss (G)
0
1.8
2.3
2.8
-20
-40
-60
Vdd(V)
Brpn
Bopn
Brps
Bops
Bhys_n
Bhys_s
10
9
8
7
Idd(avg.) 6
unit : uA
5
4
3
2
-50
Supply Current
AH1885 Idd(avg.) vs Temperature
AH1885 Idd(avg.) vs Vdd (Ta=25 )
Vdd = 2.5V
Vdd = 1.8V
-25
0
25
50
75
100
Temperature
12
10
8
Idd(avg.) 6
unit: uA
4
2
0
1.8
Icc (avg) uA
2.3
2.8
Vdd(V)
AH1885
Document number: DS31235 Rev. 4 - 2
4 of 7
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September 2010
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