A1148 Allegro MicroSystems, A1148 Datasheet - Page 4

• Manufacturer Part Number: A1148
• Description: (A1147 / A1148) Low Current Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches
• Manufacturer: Allegro MicroSystems

A1147
A1148
60
70
50
40
30
20
10
10
0
4
8
6
2
0
–50
–50
Supply Current (Low) versus Ambient Temperature
Operate Point versus Ambient Temperature
and
0
0
Ambient Temperature, T
Ambient Temperature, T
at Various Levels of V
at Various Levels of V
(A1147 and A1148)
(A1147 and A1148)
50
50
100
100
Chopper-Stabilized Unipolar Hall Effect Switches
A
A
(°C)
(°C)
150
150
CC
CC
200
200
Characteristic Data
V
V
Low Current Ultrasensitive Two-Wire
CC
CC
12.0 V
24.0 V
12.0 V
24.0 V
3.5 V
3.5 V
20
18
16
14
12
10
40
35
30
25
20
15
10
Switchpoint Hysteresis versus Ambient Temperature
Supply Current (High) versus Ambient Temperature
–50
5
0
–50
0
0
Ambient Temperature, T
Ambient Temperature, T
at Various Levels of V
at Various Levels of V
(A1147 and A1148)
(A1147 and A1148)
50
50
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
100
100
A
A
(°C)
(°C)
CC
CC
150
150
200
200
V
V
CC
CC
12.0 V
24.0 V
12.0 V
24.0 V
3.5 V
3.5 V
4