Ratiometric Linear Hall Effect Sensor

for High-Temperature Operation

A1321, A1322,

and

A1323

7

Allegro MicroSystems, Inc.

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

www.allegromicro.com

Typical Characteristics, continued

(30 pieces, 3 fabrication lots)

Vcc =5 V

2.425

2.45

2.475

2.5

2.525

2.55

2.575

Average Absolute Sensitivity, Sens, vs Temperature

Vcc =5 V

2

2.5

3

3.5

4

4.5

5

5.5

6

A1322

A1321

A1323

Average Delta Quiescent Output Voltage, Vout(q)(

Vcc =5V

-10

-8

-6

-4

-2

0

2

4

6

8

10

Quiescent Output Voltage, Vout(q),vsVcc

2

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

2.9

3

4.5

5

5.5

Vcc (V)

1321

1322

1323

Average Sensitivity, Sens, vs Vcc

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

6

4.5

5

5.5

Vcc (V)

1321

1322

1323

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