6

A1321-DS Rev. 3

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

115 Northeast Cutoff, Box 15036

www.allegromicro.com

Allegro MicroSystems, Inc.

Ratiometric Linear Hall Effect Sensor for High-Temperature Operation

A1321/A1322/A1323

Typical Characteristics

(30 pieces, 3 fabrication lots)

Vcc =5 V

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

6

6.5

7

7.5

8

Average Positive Linearity (Lin+) vs Temperature

95

96

97

98

99

100

101

102

103

104

105

Average Negative Linearity (Lin–) vs Temperature

95

96

97

98

99

100

101

102

103

104

105

99

99.2

99.4

99.6

99.8

100

100.2

100.4

100.6

100.8

101

4.5 to 5.0 V

5.5 to 5.0 V

99

99.2

99.4

99.6

99.8

100

100.2

100.4

100.6

100.8

101

4.5 to 5.0V

5.5 to 5.0V

Continued on the next page...