ATS632LSC

HALL-EFFECT

GEAR-TOOTH SENSOR

SUBASSEMBLY

115 Northeast Cutoff, Box 15036

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

Limits

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Operating Air Gap Range

AG

Operating,

0.3

–

1.9

mm

Target Speed > 20 RPM

Output Polarity

–

Operating, Over Tooth

Low

Low

Low

–

Operating, Over Valley

High

High

High

–

Timing Accuracy

Target Speed < 3500 RPM,

–

±0.25

±0.50

°

0.3 mm

≤ AG ≤ 1.9 mm

OPERATION over operating voltage and temperature range with reference target (unless oth-

erwise specified).

Limits

Characteristic

Symbol

Description

Min.

Typ.

Max.

Units

Valley Depth

–

5.0

–

mm

Valley Width

–

5.0

–

mm

Tooth Width

T

–

5.0

–

mm

Thickness

F

–

5.0

–

mm

Eccentricity

–

Timing accuracy may change

–

–

±0.25

mm

TARGET DESIGN CRITERIA

Diameter

Thickness

Tooth Width

Valley Width

Valley Depth

Type

(F)

(T)

Reference Target

84 mm

16 mm

9 mm

13 mm

5 mm

Characterization Target #1

84 mm

16 mm

1 tooth, 180

°

5 mm

Characterization Target #2

35 mm

7 mm

1 tooth, 180

°

6 mm

TARGET DIMENSIONS

NOTE: Timing accuracy data is taken by recalibrating the unit at each air gap.

NOTE: Air Gap is defined as the distance from the face of the sensor subassembly to the target.