A3280ELT Allegro Microsystems Inc, A3280ELT Datasheet - Page 9
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A3280ELT
Manufacturer Part Number
A3280ELT
Description
Manufacturer
Allegro Microsystems Inc
Datasheet
1.A3280ELT.pdf
(12 pages)
Specifications of A3280ELT
Magnetic Type
Latch
Operating Supply Voltage (min)
4.2V
Operating Supply Voltage (typ)
5/9/12/15/18V
Operating Supply Voltage (max)
24V
Output Current
25mA
Mag Sensor Operate Point (g)
40Gs
Mag Sensor Release Point (g)
-40Gs
Mag Sensor Hysteresis(g)
45Gs
Package Type
SOT-89
Pin Count
3 +Tab
Mounting
Surface Mount
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Lead Free Status / RoHS Status
Not Compliant
be con nect ed (in close proximity to the Hall sensor) between the supply and ground of the device to reduce both external noise and
noise generated by the chopper-sta bi li za tion tech nique.
are possible.
• Hall-Effect IC Applications Guide, Application Note 27701;
• Guidelines for Designing Subassemblies Using Hall-Effect Devices, Application Note 27703.1
More detailed descriptions of the chopper-stabilized circuit operation can be found in:
• Monolithic Magnetic Hall Sensor Using Dynamic Quadrature Offset Cancelation, Technical Paper STP 97-10; and
• Chopper-Stabilized Amplifi ers With A Track-and-Hold Signal Demodulator, Technical Paper STP 99-1.
All are provided at
A3280, A3281
and
The sim plest form of magnet that will op er ate these devices is a ring magnet. Oth er meth ods of operation, such as linear magnets,
Extensive applications information for Hall-effect sensors is available in:
A3283
X
APPLICATIONS INFORMATION
www.allegromicro.com
Chopper-Stabilized, Precision
0.1 F
SUPPLY
Dwg. EH-013
OUTPUT
Hall-Effect Latches
SUPPLY
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
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