Allegro Multimedia A1321 manual Package LH, 3-Pin SOT-23W, Pin-out Drawings

A1321, A1322, and A1323

Ratiometric Linear Hall Effect Sensor for High-Temperature Operation

Package LH, 3-Pin; (SOT-23W)

2.975

1.49 B

3

2.90 1.91

1 2

10º

10º 0.95 0.40

A	4º
0.28

0.180

0.96B

B

0.38

0.25

Seating Plane Gauge Plane

1.00

All dimensions nominal, not for tooling use

Dimensions in millimeters

0.05 A Active Area Depth

BHall element, not to scale

	Pin-out Drawings
Package LH	Package UA
3

1 2 1 2 3

Terminal List
Symbol	Number		Description
	Package LH	Package UA
VCC	1	1	Connects power supply to chip
VOUT	2	3	Output from circuit
GND	3	2	Ground

Allegro MicroSystems, Inc. 10

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com