A1140, A1141,
A1142, and A1143
Sensitive Two-Wire Chopper-Stabilized
Unipolar Hall Effect Switches
Characteristic Data
Supply Current (Low) versus Ambient Temperature
at Various Levels of V
CC
(A1142 and A1143)
10
8
Supply Current (Low) versus Ambient Temperature
at Various Levels of V
CC
(A1140 and A1141)
10
8
V
CC
I
CC(L)
(mA)
3.5 V
12.0 V
24.0 V
I
CC(L)
(mA)
6
4
2
0
–50
6
4
2
0
–50
V
CC
3.5 V
12.0 V
24.0 V
0
50
100
150
200
0
50
100
150
200
Ambient Temperature, T
A
(°C)
Ambient Temperature, T
A
(°C)
Supply Current (High) versus Ambient Temperature
at Various Levels of V
CC
(A1140, A1141, A1142, and A1143)
20
18
V
CC
I
CC(H)
(mA)
16
14
12
10
–50
3.5 V
12.0 V
24.0 V
0
50
100
150
200
Ambient Temperature, T
A
(°C)
Operate Point versus Ambient Temperature
at Various Levels of V
CC
(A1140, A1141, A1142, and A1143)
110
100
90
Switchpoint Hysteresis versus Ambient Temperature
at Various Levels of V
CC
(A1140, A1141, A1142, and A1143)
10
8
V
CC
B
HYS
(G)
3.5 V
12.0 V
24.0 V
6
4
2
0
–50
V
CC
3.5 V
12.0 V
24.0 V
B
OP
(G)
80
70
60
50
–50
0
50
100
150
200
0
50
100
150
200
Ambient Temperature, T
A
(°C)
Ambient Temperature, T
A
(°C)
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
5
ALLEGRO [ ALLEGRO MICROSYSTEMS ]
