A1383ELHLT-T Allegro, A1383ELHLT-T Datasheet

A1383ELHLT-T

Manufacturer Part Number

A1383ELHLT-T

Description

Manufacturer

Allegro

Datasheets

1.A1382LUATI-T.pdf (18 pages)

2.A1383ELHLT-T.pdf (19 pages)

3.A1383ELHLT-T.pdf (19 pages)

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Features and Benefits

▪ Customer programmable offset, sensitivity, sensitivity

▪ Programmability at end-of-line

▪ Ratiometric sensitivity, quiescent voltage output, and

▪ Temperature-stable quiescent voltage output

▪ Precise recoverability after temperature cycling

▪ Output voltage clamps provide short circuit

▪ Wide ambient temperature range: –40°C to 150°C

▪ Immune to mechanical stress

▪ Miniature package options

Packages

A1381-DS, Rev. 2

3 pin surface mount

SOT23-W (suffix LH)

temperature coefficient, and polarity

clamps for interfacing with application DAC

and sensitivity

diagnostic capabilities

Programmable Linear Hall Effect Sensors with Analog Output

Available in a Miniature Thin Profile Surface Mount Package

BYPASS

V+

VCC

Not to scale

3 pin ultramini SIP

(suffix UA)

To all subcircuits

Functional Block Diagram

GND

A1381, A1382, A1383, and A1384

Amp

Gain

Gain Temperature

Hall Drive Circuit

Description

New applications for linear output Hall effect sensors, such

as displacement, angular position, and current measurement,

require high accuracy in conjunction with small package size.

The Allegro

effect sensors was designed specifically to achieve both goals.

These temperature-stable devices are available in a miniature

surface mount package (SOT23-W) and an ultramini through-

hole single-in-line package. The accuracy of these devices is

enhanced via programmability on the output pin for end-of-line

optimization without the added complexity and cost of a fully

programmable device.

These ratiometric Hall effect sensors provide a voltage output

that is proportional to the applied magnetic field. Both the

quiescent voltage output and magnetic sensitivity are user-

adjustable. The quiescent voltage output can be set around

50% of the supply voltage, and the sensitivity adjusted between

2 mV/G and 9 mV/G over the device family. Programming

selections also exist for output polarity and temperature

compensation. The features of this linear family make it ideal

for high accuracy requirements of automotive and industrial

applications, and performance is guaranteed over an extended

temperature range, –40°C to 150°C.

Continued on the next page…

Trim Control

Coefficient

A138x family of programmable linear Hall

Offset

Out

VOUT

(Programming)

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