ATS693LSG datasheet(7/15 Pages) ALLEGRO

7 / 15 page

Three-Wire, Differential, Vibration Resistant

Sensor IC with Speed and Direction Output

ATS693LSG

Allegro MicroSystems, LLC

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

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

1.5

1.0

2.0

2.5

0.5

3.0

800

700

600

500

400

300

200

100

Reference Gear Magnetic Gradient Amplitude versus Air Gap

Reference Target 60-0

Air Gap (mm)

Reference Target 60-0 (60 Tooth Target)

Characteristics

Symbol

Test Conditions

Typ.

Units

Symbol Key

Outside Diameter

Outside diameter of target

120

Face Width

Breadth of tooth, with respect

to branded face

Angular Tooth Thickness

Length of tooth, with respect

to branded face

deg.

Angular Valley Thickness

Length of valley, with respect

to branded face

deg.

Tooth Whole Depth

Material

Low Carbon Steel

–

Air Gap

Branded Face of Sensor

Reference Target

60-0

of Sensor

Branded Face

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