Programmable Linear Hall Effect Sensor ICs with Analog Output

Available in a Miniature Thin Profile Surface Mount Package

A1381, A1382,

A1383, and A1384

2

Allegro MicroSystems, Inc.

115 Northeast Cutoff, Box 15036

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

www.allegromicro.com

Each BiCMOS monolithic circuit integrates a Hall element,

temperature-compensatingcircuitrytoreducetheintrinsicsensitivity

driftoftheHallelement,asmall-signalhigh-gainamplifier,aclamped

low-impedance output stage, and a proprietary dynamic

offset cancellation technique.

The A138x devices are provided in a 3 pin ultramini single-in-line

package (UA suffix), and a 3 pin surface mount SOT-23W package

(LH suffix).

Absolute Maximum Ratings

Characteristic

Symbol

Notes

Rating

Units

Forward Supply Voltage

8V

Reverse Supply Voltage

–0.1

V

Forward Output Voltage

28

V

Reverse Output Voltage

–0.1

V

Output Source Current

VOUT to GND

2

mA

Output Sink Current

VCC to VOUT

10

mA

Operating Ambient Temperature

Range E

–40 to 85

ºC

Range L

–40 to 150

ºC

Storage Temperature

–65 to 165

ºC

Maximum Junction Temperature

165

ºC

Description (continued)

Selection Guide

Part Number

Package

(°C)

Internal Bandwidth

(kHz)

Sensitivity Range

(mV/G)

A1381ELHLT-T

Tape and reel, 3000 pieces/reel

Surface mount

–40 to 85

12

6.00 to 9.00

A1381EUA-T

Bulk bag, 500 pieces/bag

Through hole

A1381LLHLT-T

Tape and reel, 3000 pieces/reel

Surface mount

–40 to 150

A1381LUA-T

Bulk bag, 500 pieces/bag

Through hole

Surface mount

–40 to 85

17

4.00 to 6.25

Surface mount

Bulk bag, 500 pieces/bag

Through hole

Surface mount

–40 to 150

Surface mount

Bulk bag, 500 pieces/bag

Through hole

A1383ELHLT-T

Tape and reel, 3000 pieces/reel

Surface mount

–40 to 85

21

2.75 to 4.25

A1383EUA-T

Bulk bag, 500 pieces/bag

Through hole

A1383LLHLT-T

Tape and reel, 3000 pieces/reel

Surface mount

–40 to 150

A1383LUA-T

Bulk bag, 500 pieces/bag

Through hole

A1384ELHLT-T

Tape and reel, 3000 pieces/reel

Surface mount

–40 to 85

27

2.00 to 3.00

A1384EUA-T

Bulk bag, 500 pieces/bag

Through hole

A1384LLHLT-T

Tape and reel, 3000 pieces/reel

Surface mount

–40 to 150

A1384LUA-T

Bulk bag, 500 pieces/bag

Through hole

been given. Sale of the variant is currently restricted to existing customer applications. The variant should not be purchased for new design applica-

tions because of obsolescence in the near future. Samples are no longer available. Status date change December 10, 2012. Deadline for receipt of

LAST TIME BUY orders is May 31, 2013.

Number

Name

Description

LH

UA

1

1

VCC

Input power supply; use bypass capacitor to connect to ground

3

2

GND

Ground

2

3

VOUT

Output signal; also used for programming

Pin-out Diagrams

LH Package

UA Package

12

3

12

3