3121, 3122,
AND
3123
HALL-EFFECT SWITCHES
FOR HIGH-TEMPERATURE
OPERATION
TYPICAL OPERATING CHARACTERISTICS
SWITCH POINTS
400
OUTPUT SATURATION VOLTAGE
0
OPERATE POINT
300
I
OUT
= 20 mA
V
CC
= 4.5–24 V
SWITCH POINT IN GAUSS
0
RELEASE POINT
200
V
CC
= 12 V
100
0
0
-50
-25
0
25
50
75
100
125
150
0
-50
-25
0
25
50
75
100
125
150
AMBIENT TEMPERATURE IN °C
Dwg. GH-038
AMBIENT TEMPERATURE IN °C
Dwg. GH-040
SUPPLY CURRENT
7.0
SUPPLY CURRENT
10
V
CC
= 12 V
8.0
SUPPLY CURRENT IN mA
6.0
B
≥
B
OP
SUPPLY CURRENT IN mA
B
≥
B
OP
6.0
5.0
4.0
B
≤
B
RP
4.0
B
≤
B
RP
2.0
T
A
= +25°C
-50
-25
0
25
50
75
100
125
150
0
0
5
10
15
20
25
Dwg. GH-041
AMBIENT TEMPERATURE IN °C
Dwg. GH-039
SUPPLY VOLTAGE IN VOLTS
* Complete part number includes a suffix denoting operating temperature range (E- or L-) and package type ( -LT, -U, or -UA).
ALLEGRO [ ALLEGRO MICROSYSTEMS ]
