Ratiometric Linear Hall Effect Sensor ICs

for High-Temperature Operation

A1321, A1322,

and

A1323

12

Allegro MicroSystems, Inc.

115 Northeast Cutoff

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

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Copyright ©2004-2010, Allegro MicroSystems, Inc.

Allegro MicroSystems, Inc. reserves the right to make, from time to time, such departures from the detail specifications as may be required to per-

mit improvements in the performance, reliability, or manufacturability of its products. Before placing an order, the user is cautioned to verify that the

information being relied upon is current.

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nor for any infringement of patents or other rights of third parties which may result from its use.

Package UA, 3-Pin SIP

23

1

0.79 REF

1.27 NOM

2.16

MAX

0.51

REF

45°

C

45°

B

E

E

E

2.04

1.44

Gate burr area

A

B

C

Dambar removal protrusion (6X)

A

D

E

D

Branding scale and appearance at supplier discretion

Hall element, not to scale

Active Area Depth, 0.50 mm REF

For Reference Only; not for tooling use (reference DWG-9049)

Dimensions in millimeters

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

Exact case and lead configuration at supplier discretion within limits shown

Standard Branding Reference View

= Supplier emblem

N = Last two digits of device part number

T = Temperature code

NNT

1

Mold Ejector

Pin Indent

Branded

Face

4.09 +0.08

–0.05

0.41 +0.03

–0.06

3.02 +0.08

–0.05

0.43 +0.05

–0.07

15.75 ±0.51

1.52 ±0.05