A1121 ALLEGRO [Allegro MicroSystems], A1121 Datasheet - Page 8

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

A1120, A1121
and A1125
110
100
140
130
120
110
100
90
80
70
60
50
40
40
35
30
25
20
15
10
90
80
70
60
50
- 60 - 40 - 20
- 60 - 40 - 20
- 60 - 40 - 20
Switchpoint Hysteresis versus Ambient Temperature
Release Point versus Ambient Temperature
Operate Point versus Ambient Temperature
0
0
0
20
20
20
T
T
T
A
A
40
A
40
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
A1121 Magnetic Characteristics
V
V
V
CC
CC
CC
(V)
3.0
(V)
3.0
(V)
3.0
12
24
12
24
12
24
110
100
140
130
120
110
100
90
80
70
60
50
40
40
35
30
25
20
15
10
90
80
70
60
50
2
2
2
Operate Point versus Average Supply Voltage
Release Point versus Average Supply Voltage
Switchpoint Hysteresis versus Supply Voltage
6
6
6
10
10
10
V
V
V
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
CC
CC
CC
14
14
14
(V)
(V)
(V)
18
18
18
22
22
22
26
26
T
T
T
A
A
A
(°C)
(°C)
(°C)
–40
150
–40
150
–40
150
25
25
25
8