A1321, A1322,
and
A1323
Ratiometric Linear Hall Effect Sensor
for High-Temperature Operation
Typical Characteristics
(30 pieces, 3 fabrication lots)
Average Supply Current (I
CC
) vs Temperature
Vcc = 5 V
8
7.5
7
6.5
6
5.5
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
I
CC
(mA)
115
125
T
A
(°C)
105
104
103
102
Average Positive Linearity (Lin+) vs Temperature
V
cc
= 5 V
105
104
103
102
Average Negative Linearity (Lin–) vs Temperature
V
cc
= 5 V
Lin+ (%)
100
99
98
97
96
95
Lin
–
(%)
101
101
100
99
98
97
96
115
125
150
25
-40
-20
85
0
95
-40
-20
0
150
25
-40
-20
85
0
25
85
115
125
T
A
(°C)
T
A
(°C)
Average Ratiometry, V
OUT(q)(ΔV)
vs Temperature
101
100.8
100.6
100.4
4.5 to 5.0 V
5.5 to 5.0 V
Average Ratiometry,
ΔSens
(ΔV),
vs Temperature
101
100.8
100.6
100.4
4.5 to 5.0V
5.5 to 5.0V
Ratiometry (%)
Ratiometry (%)
100.2
100
99.8
99.6
99.4
99.2
99
100.2
100
99.8
99.6
99.4
99.2
99
115
125
150
115
125
T
A
(°C)
T
A
(°C)
Continued on the next page...
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
150
-40
-20
25
85
0
25
-40
-20
85
0
150
6
ALLEGRO [ ALLEGRO MICROSYSTEMS ]
