A3280(2010) Просмотр технического описания (PDF) - Allegro MicroSystems
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A3280 Datasheet PDF : 13 Pages
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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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