Chopper-Stabilized, Two Wire

Hall-Effect Latch

A1245

3

Allegro MicroSystems, LLC

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

NC

1

2

3

1

3

2

Pin-out Diagrams and Terminal List Table

LH Package, 3-pin

SOT23W Pin-out

UA Package, 3-pin SIP

Pin-out

Terminal List Table

Name

Number

Function

LH

UA

VCC

1

1

Connects power supply to chip

NC

2

N/A

No connection (tie to GND; improved thermal characteristics) or float

GND

3

2, 3

Ground (Tie both to GND for improved thermal characteristics, or float

unused GND pin)