Two-Wire, Zero-Speed

Differential Gear Tooth Sensor IC

ATS684LSN

15

Allegro MicroSystems, LLC

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

PACKAGE OUTLINE DRAWING

For Reference Only –Not for Tooling Use

(Reference DWG-9206, Rev.1)

Dimensions in millimeters – NOT TO SCALE

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

Exact case and lead configuration at supplier discretion within limits shown

Dambar removal protrusion (12×)

Tie bars (8×)

Molded lead bar for preventing damage to leads during shipment

Hall elements (E1 and E2); not to scale

Active Area Depth, 0.40 ±0.05 mm

Branding scale and appearance at supplier discretion

A

B

C

D

E

F

= 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

Standard Branding Reference View

Notes:

LLLLLLL

NNN[NNNN]

YYWW

D

0.90 REF

2

2

3

3

1

1

G

2 × 7°

2 × 10°

45°

45°

A

Branded

Face

3.03 ±0.10

2.54 ±0.10

5.80 REF

1.10 REF

5.78 ±0.10

2.72

3.12

2.20

7.65 ±0.10

15.58 ±0.10

23.36 REF

19.24 REF

1.60 ±0.10

5.00 ±0.10

1.15 ±0.05

E1

E2

F

F

E

C

F

F

F

7.00 ±0.10

2 × 1.00 ±0.10

0.25 ±0.05

2.00 ±0.10

0.90 REF

9.20 REF

0.60 REF

0.30 REF

2.73 REF

0.49 REF

1.18 REF

4 × Ø1.00 REF

Ejector Pin

Ø2.00 REF

Ejector Pin

F

Gate location

G

B

B

0.51 REF

Figure 10: Package SN, 3-Pin SIP