A1121 ALLEGRO [Allegro MicroSystems], A1121 Datasheet - Page 7

• Manufacturer Part Number: A1121
• Description: Chopper Stabilized Precision Hall Effect Switches
• Manufacturer: ALLEGRO [Allegro MicroSystems]

A1120, A1121
and A1125
50
45
40
35
30
25
20
15
10
50
45
40
35
30
25
20
15
10
20
18
16
14
12
10
5
0
5
0
Average Switchpoint Hysteresis versus Ambient Temperature
8
6
4
2
0
-60 -40 -20
-60
-60
Average Release Point versus Ambient Temperature
Average Operate Point versus Ambient Temperature
-40
-40
-20
-20
0
0
0
20
20
20
T
T
T
40
40
A
A
A
40
(°C)
(°C)
(°C)
60
60
60
Chopper Stabilized Precision Hall Effect Switches
80
80
80
100 120 140 160
100 120 140 160
100 120 140 160
A1120 and A1125 Magnetic Characteristics
V
V
V
CC
CC
CC
(V)
(V)
(V)
3.0
3.0
3.0
24
24
24
50
45
40
35
30
25
20
15
10
20
18
16
14
12
10
50
45
40
35
30
25
20
15
10
8
6
4
2
0
5
0
5
0
Average Release Point versus Average Supply Voltage
Average Operate Point versus Average Supply Voltage
Average Switchpoint Hysteresis versus Supply Voltage
2
2
2
6
6
6
10
10
10
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
V
V
V
CC
CC
CC
14
14
14
(V)
(V)
(V)
18
18
18
22
22
22
26
26
26
T
T
T
A
A
A
(°C)
(°C)
(°C)
–40
150
–40
150
–40
150
25
25
25
7