A1321, A1322,
and
A1323
Ratiometric Linear Hall Effect Sensor
for High-Temperature Operation
Typical Characteristics, continued
(30 pieces, 3 fabrication lots)
Average Absolute Quiescent Output Voltage, V
out(q)
, vs Temperature
2.575
2.55
Vout(q)
(V)
V
cc
= 5 V
3
2.9
2.8
Vout(q)
(V)
Quiescent Output Voltage, Vout(q), vs Vcc
T
A
= 25°C
2.525
2.5
2.475
2.45
2.425
2.7
2.6
2.5
2.4
2.3
2.2
2.1
1321
1322
1323
-40
-20
25
85
115
125
150
2
4.5
5
Vcc (V)
5.5
0
T
A
(°C)
6
5.5
5
Average Absolute Sensitivity, Sens, vs Temperature
Vcc = 5 V
6
5.5
5
4.5
A1322
A1321
A1323
Average Sensitivity, Sens, vs Vcc
T
A
= 25°C
Sens (mV/G)
4.5
4
3.5
3
2.5
2
Sens (mV/G)
4
3.5
3
2.5
2
1.5
1321
1322
1323
-40
-20
25
85
115
125
150
0
1
4.5
5
Vcc (V)
5.5
T
A
(°C)
10
8
6
Vout(q)(ΔT)
(G)
Average Delta Quiescent Output Voltage, Vout(q)(ΔT), vs Temperature
Δ
in
readings at each temperature are relative to 25°C
Vcc = 5 V
10
8
6
4
ΔSens
(%)
2
0
-2
-4
-6
-8
-10
Average Delta Sensitivity,
ΔSens,
vs Temperature
Δ
in readings at each temperature are relative to 25°C
V
cc
= 5 V
4
2
0
-2
-4
-6
-8
-10
-40
-20
25
85
115
125
150
0
-40
-20
25
85
115
125
T
A
(°C)
T
A
(°C)
150
0
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
7
ALLEGRO [ ALLEGRO MICROSYSTEMS ]
