2

A1185-DS, Rev. 1

Worcester, Massachusetts 01615-0036 (508) 853-5000

115 Northeast Cutoff, Box 15036

www.allegromicro.com

Allegro MicroSystems, Inc.

Ultrasensitive Two-Wire Field-Programmable Chopper-Stabilized Unipolar Hall Effect Switches

A1185 and A1186

Product Selection Guide

Functional Block Diagram

Amp

Regulator

Program/Lock

Low-Pass

Filter

GND

VCC

GND

Programming

Logic

Package UA Only

Offset

Adjust

Clock/Logic

To all

subcircuits

0.01 uF

V+

Part Number

Pb-

free

Mounting

(°C)

Output

Supply Current at

(mA)

A1185ELHLT

–

7-in. reel, 3000 pieces/reel

Surface mount

–40 to 85

Low

5 to 6.9

A1185ELHLT-T

Yes

A1185EUA

–

Bulk, 500 pieces/bag

4-pin SIP through hole

A1185EUA-T

Yes

A1185LLHLT

–

7-in. reel, 3000 pieces/reel

Surface mount

–40 to 150

A1185LLHLT-T

Yes

A1185LUA

–

Bulk, 500 pieces/bag

4-pin SIP through hole

A1185LUA-T

Yes

A1186ELHLT

–

7-in. reel, 3000 pieces/reel

Surface mount

–40 to 85

High

A1186ELHLT-T

Yes

A1186EUA

–

Bulk, 500 pieces/bag

4-pin SIP through hole

A1186EUA-T

Yes

A1186LLHLT

–

7-in. reel, 3000 pieces/reel

Surface mount

–40 to 150

A1186LLHLT-T

Yes

A1186LUA

–

Bulk, 500 pieces/bag

4-pin SIP through hole

A1186LUA-T

Yes

a

Contact Allegro for additional packing options.