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Description

The A1301 and A1302 are continuous-time, ratiometric, linear

Hall-effect sensors. They are optimized to accurately provide

a voltage output that is proportional to an applied magnetic

field. These devices have a quiescent output voltage that is

50% of the supply voltage. Two output sensitivity options are

provided: 2.5 mV/G typical for the A1301, and 1.3 mV/G

typical for the A1302.

The Hall-effect integrated circuit included in each device

includes a Hall sensing element, a linear amplifier, and a

CMOS Class A output structure. Integrating the Hall sensing

element and the amplifier on a single chip minimizes many

of the problems normally associated with low voltage level

analog signals.

High precision in output levels is obtained by internal gain

and offset trim adjustments made at end-of-line during the

manufacturing process.

These features make the A1301 and A1302 ideal for use in

position sensing systems, for both linear target motion and

rotational target motion. They are well-suited for industrial

applications over extended temperature ranges, from –40°C

to 125°C.

Two device package types are available: LH, a 3-pin SOT23W

type for surface mount, and UA, a 3-pin ultramini SIP for

through-hole mount. They are lead (Pb) free (suffix, –T) with

100% matte tin plated leadframes.

A1301-DS, Rev. 5

Features and Benefits

▪ Low-noise output

▪ Fast power-on time

▪ Ratiometric rail-to-rail output

▪ 4.5 to 6.0 V operation

▪ Solid-state reliability

▪ Factory-programmed at end-of-line for optimum

performance

▪ Robust ESD performance

Continuous-Time Ratiometric Linear Hall Effect Sensors

Functional Block Diagram

Not to scale

Packages: 3 pin SOT23W (suffix LH), and

3 pin SIP (suffix UA)

A1301 and A1302

Amp

GND

VOUT

VCC

Out

Offset

Tri m

Control

Gain

V+

Voltage

Regulator

Filter

BYPASS

1 2 3 4 5 6 7 8

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Página 1 - A1301 and A1302

DescriptionThe A1301 and A1302 are continuous-time, ratiometric, linear Hall-effect sensors. They are optimized to accurately provide a voltage output

Página 2 - Linear Hall Effect Sensors

Continuous-Time Ratiometric Linear Hall Effect Sensors A1301 and A1302 2Allegro MicroSystems, Inc.115 Northeast Cutoff, Box 15036Worcester, Massachuse

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Continuous-Time Ratiometric Linear Hall Effect Sensors A1301 and A1302 3Allegro MicroSystems, Inc.115 Northeast Cutoff, Box 15036Worcester, Massachuse

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Continuous-Time Ratiometric Linear Hall Effect Sensors A1301 and A1302 4Allegro MicroSystems, Inc.115 Northeast Cutoff, Box 15036Worcester, Massachuse

Página 5

Continuous-Time Ratiometric Linear Hall Effect Sensors A1301 and A1302 5Allegro MicroSystems, Inc.115 Northeast Cutoff, Box 15036Worcester, Massachuse

Página 6

Continuous-Time Ratiometric Linear Hall Effect Sensors A1301 and A1302 6Allegro MicroSystems, Inc.115 Northeast Cutoff, Box 15036Worcester, Massachuse

Página 7

Continuous-Time Ratiometric Linear Hall Effect Sensors A1301 and A1302 7Allegro MicroSystems, Inc.115 Northeast Cutoff, Box 15036Worcester, Massachuse

Página 8

Continuous-Time Ratiometric Linear Hall Effect Sensors A1301 and A1302 8Allegro MicroSystems, Inc.115 Northeast Cutoff, Box 15036Worcester, Massachuse

Modelos relacionados A1301

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Allegro-multimedia A1302 Manual do Utilizador

Consulte online ou descarregue Manual do Utilizador para Sensores Allegro-multimedia A1302. Allegro Multimedia A1302 User Manual Manual do Utilizador

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Modelos relacionados A1301

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