A3280(2010) 查看數據表（PDF） - Allegro MicroSystems

零件编号

产品描述 (功能)

生产厂家

A3280
(Rev.:2010)

Chopper-Stabilized, Precision Hall-Effect Latches

Allegro MicroSystems 

A3280, A3281

and A3283

Chopper-Stabilized, Precision

Hall-Effect Latches

APPLICATIONS INFORMATION

be connected (in close proximity to the Hall element) between the vices, Application Note 27703.1

supply and ground of the device to reduce both external noise and More detailed descriptions of the chopper-stabilized circuit opera-

noise generated by the chopper-stabilization technique.

tion can be found in:

The simplest form of magnet that will operate these devices is • Monolithic Magnetic Hall Sensing Using Dynamic Quadrature

a ring magnet. Other methods of operation, such as linear mag- Offset Cancelation, Technical Paper STP 97-10; and

nets, are possible.

• Chopper-Stabilized Amplifiers With A Track-and-Hold Signal

Extensive applications information for Hall-effect devices is Demodulator, Technical Paper STP 99-1.

available in:

All are provided at

• Hall-Effect IC Applications Guide, Application Note 27701;

www.allegromicro.com

• Guidelines for Designing Subassemblies Using Hall-Effect De-

SUPPLY

OUTPUT

0.1 MF

SUPPLY

Dwg. EH-013

Allegro MicroSystems, Inc.

9

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

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