A1326LUA-T Allegro Microsystems Inc, A1326LUA-T Datasheet

A1326LUA-T

Manufacturer Part Number

A1326LUA-T

Description

IC HALL EFFECT SENSOR 3-SIP

Manufacturer

Allegro Microsystems Inc

Datasheets

1.A1326LUA-T.pdf (11 pages)

2.A1326LUA-T.pdf (11 pages)

Specifications of A1326LUA-T

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

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Features and Benefits

• Temperature-stable quiescent output voltage and sensitivity

• Output voltage proportional to magnetic flux density

• Low-noise output increases accuracy

• Precise recoverability after temperature cycling

• Ratiometric rail-to-rail output

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

• Immune to mechanical stress

• Solid-state reliability

• Enhanced EMC performance for stringent automotive

Packages

A1324-DS

applications

3-pin ultramini SIP

1.5 mm × 4 mm × 3 mm

(suffix UA)

Low Noise, Linear Hall Effect Sensor ICs with Analog Output

Approximate footprint

Preliminary Datasheet

V+

3-pin SOT23-W

2 mm × 3 mm × 1 mm

(suffix LH)

GND

Functional Block Diagram

To All Subcircuits

Subject to Change Without Notice February 25, 2011

Sensitivity and

Sensitivity TC

Description

New applications for linear output Hall-effect devices, such

as displacement, angular position, and current measurement,

require high accuracy in conjunction with small package size.

The Allegro

sensor ICs are designed specifically to achieve both goals. This

temperature-stable device is available in a miniature surface

mount package (SOT23W) and an ultra-mini through-hole

single in-line package.

These ratiometric Hall effect sensor ICs provide a voltage

output that is proportional to the applied magnetic field. They

feature a quiescent voltage output of 50% of the supply voltage.

The A1324/25/26 feature factory programmed sensitivities of

5.0 mV/G, 3.125 mV/G, and 2.5 mV/G, respectively.

The features of these linear devices make them ideal for use in

automotive and industrial applications requiring high accuracy,

and are guaranteed through an extended temperature range,

–40°C to 150°C.

Each BiCMOS monolithic circuit integrates a Hall element,

temperature-compensating circuitry to reduce the intrinsic

sensitivity drift of the Hall element, a small-signal high-gain

amplifier, a clamped low-impedance output stage, and a

proprietary dynamic offset cancellation technique.

These devices are available in a 3-pin ultra-mini SIP package

(UA), and a 3-pin surface mount SOT-23 style package (LH). Both

are lead (Pb) free, with 100% matte tin leadframe plating.

A1324, A1325, and A1326

Trim Control

Offset

A1324, A1325, and A1326 linear Hall-effect

VOUT

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