True Zero-Speed High-Accuracy

Gear Tooth Sensor IC

ATS668LSM

12

Allegro MicroSystems, LLC

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

Package SM, 3-Pin SIP

For Reference Only – Not for Tooling Use

(Reference DWG-9084-B)

Dimensions in Millimeters – NOT TO SCALE

Dimensions exclusive of mold flash, gate burrs, and dambar protrusions

Exact case and lead configuration at supplier discretion within limits shown

0.90 REF

2

2

3

3

1

1

B

4 X 7°

4 X 10°

A

Branded

Face

2 X 2.40 ±0.10

5.80 REF

5.78±0.10

6.42 REF

2.66 REF

0.60 REF

0.79 REF

7.65±0.10

15.58±0.10

19.24 REF

23.36 REF

1.60 ±0.10

5.00 ±0.10

A

B

C

C

D Branding scale and appearance at supplier discretion

7.00±0.10

E

E

0.30 REF

3 X 1.00 ±0.10

3 X 0.51 ±0.10

0.25 ±0.05

2.00±0.10

2 X 1.27 ±0.10

1.15 ±0.05

E1

E2

2.72

3.12

0.72 REF

3.83 REF

2.2

F

F

F

FF

F

D

7.99 REF

LLLLLLL

NNN[NNNN]

YYWW

1

Standard Branding Reference View

= Supplier emblem

= Lot identifier

= Last three numbers of device part number and optional

subtype codes

= Last two digits of year of manufacture

= Week of manufacture

L

N

Y

W

Dambar removal protrusion (12X)

Gate and tie bar burr area

Active Area Depth 0.40 ±0.05 mm

Molded lead bar for preventing damage to leads during shipment

Hall elements (E1 and E2), not to scale