A1321_06 Datasheet, PDF (7/11 Pages) Allegro MicroSystems – Ratiometric Linear Hall Effect Sensor for High-Temperature Operation

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, Vout(q), vs Temperature
2.575
Vcc = 5 V
2.55
2.525
2.5
2.475
2.45
2.425
TA (°C)
Average Absolute Sensitivity, Sens, vs Temperature
Vcc = 5 V
6
5.5
5
4.5
4
3.5
A1322
A1321
A1323
3
2.5
2
TA (°C)
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
2
0
-2
-4
-6
-8
-10
TA (°C)
Quiescent Output Voltage, Vout(q), vs Vcc
T_A = 25°C
3
2.9
2.8
2.7
2.6
1321
2.5
1322
2.4
1323
2.3
2.2
2.1
2
4.5
5
5.5
Vcc (V)
Average Sensitivity, Sens, vs Vcc
TA = 25°C
6
5.5
5
1321
4.5
1322
4
1323
3.5
3
2.5
2
1.5
1
4.5
5
5.5
Vcc (V)
Average Delta Sensitivity, ΔSens, vs Temperature
Δ in readings at each temperature are relative to 25°C
Vcc = 5 V
10
8
6
4
2
0
-2
-4
-6
-8
-10
TA (°C)
Allegro MicroSystems, Inc.
7
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com