115 Northeast Cutoff, Box 15036

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

RATIOMETRIC,

LINEAR HALL-EFFECT SENSORS

FOR HIGH-TEMP. OPERATION

600

400

200

20

60

100

140

0

AMBIENT TEMPERATURE in

°C

Dwg. GH-046A

"U" PACKAGE

°C/W

"UA" PACKAGE

°C/W

40

80

120

160

700

500

300

100

X

Dwg. FH-011

GROUND

2

OUTPUT

3

1

Copyright © 1994, 2000, Allegro MicroSystems, Inc.

noted).

Limits

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Supply Voltage

V

CC

Operating

4.5

5.0

5.5

V

Supply Current

I

CC

B = 0, V

–

–

10

mA

Quiescent

V

OQ

B = 0, I

2.0

2.5

3.0

V

Voltage Output

B = 0, I

1.8

2.5

3.2

V

Output Voltage

V

OH

4.5

4.8

–

V

V

OL

–

0.2

0.5

V

Bandwidth (-3 dB)

BW

20

–

–

kHz

Output Resistance

r

O

–2.5

10

Ω

Wide-Band

e

o

B = 0, BW = 10 Hz to 10 kHz,

–

125

–

µV

Output Noise

T

Negative current is defined as coming out of (sourcing) the output.

* This test requires positive and negative fields sufficient to swing the output driver between fully OFF and saturated (ON), respec-

tively. It is NOT intended to indicate a range of linear operation.

FUNCTIONAL BLOCK DIAGRAM