ATS672LSB datasheet(7/12 Pages) ALLEGRO

7 / 12 page

ATS672LSB

SELF-CALIBRATING TPOS GEAR-TOOTH SENSOR WITH 9-BIT SIGNAL CAPTURE

Preliminary – Subject to Change

Rev. 1.2 May 1, 2002

Page 7 of 12

115 Northeast Cutoff, Box 15036

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

Reference Target Dimensions

Target

Diameter

(Do)

Thickness

(F)

Tooth Width

(T)

Valley Width

(PC – T)

Valley Depth

(ht)

Reference Target

120 mm

6.0 mm

23.6 mm

5.0 mm

GEAR PARAMETERS FOR CORRECT TPOS OPERATION

Limits

Characteristic

Description

Min.

Typ.

Max.

Units

Valley Depth (ht)

Depth of target valley

5.0

Valley Width (PC – T)

Length and width of target valley

Tooth Width (T)

Width of target tooth

5.0

Thickness (F)

Thickness or length of target tooth

5.0

1MATERIAL PROPERTIES: CRS 1018

1 The target must generate a minimum of 120 gauss difference between the tooth field and the valley field at the Maximum Installation

Air Gap. With the materiel and dimensions mentioned above the target will generate the required 120 gauss.

Reference Target

Reference Target Dimensions

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