ATS468 datasheet(7/15 Pages) ALLEGRO

7 / 15 page

Three-Wire True Zero-Speed Differential Peak-Detecting

Sensor IC with Continuous Calibration

ATS468

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

Reference Target 60-0

Characteristics

Symbol

Test Conditions

Typ.

Unit

Symbol Key

Outside Diameter

Outside diameter of target

120

Air Gap

Branded Face

of Package

Face Width

Breadth of tooth, with respect to

branded face

Angular Tooth Thickness

Length of tooth, with respect to

branded face; measured at Do

deg.

Angular Valley Thickness

Length of valley, with respect to

branded face; measured at Do

deg.

Tooth Whole Depth

Material

Low Carbon Steel

–

Reference Gear Magnetic Profile

Two Tooth-to-Valley Transitions

-500

-400

-300

-200

-100

100

200

300

400

500

Gear Rotation (°)

0.50

(mm)

Air Gap

0.50 mm AG

3.00 mm AG

0.75

1.00

1.25

1.50

1.75

2.00

2.25

2.50

2.75

3.00

Reference Gear Magnetic Gradient Amplitude

With Reference to Air Gap

Air Gap (mm)

1.5

0.5

2.5

1400

1200

1000

800

600

400

200

Reference Target 60-0

Pin1

Pin4

of Package

Branded Face

REFERENCE TARGET CHARACTERISTICS

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