A1121ELHLX-T Allegro Microsystems Inc, A1121ELHLX-T Datasheet - Page 7

• Manufacturer Part Number: A1121ELHLX-T
• Description: CHOPPER STABILIZED PRECISION HALL EFFECT SWITCH
• Manufacturer: Allegro Microsystems Inc
• Type: Unipolar Switchr

Specifications of A1121ELHLX-T

• Sensing Range: 135G Trip, 40G Release
• Voltage - Supply: 3 V ~ 24 V
• Current - Supply: 4mA
• Current - Output (max): 60mA
• Output Type: Digital, Open Collector
• Features: High Temperature
• Operating Temperature: -40°C ~ 85°C
• Package / Case: SOT-23
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

A1120, A1121, A1122
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