A3280LUA Allegro Microsystems Inc, A3280LUA Datasheet - Page 10
A3280LUA
Manufacturer Part Number
A3280LUA
Description
IC SWITCH HALL EFFECT 3-SIP
Manufacturer
Allegro Microsystems Inc
Type
Bipolar Latchr
Specifications of A3280LUA
Sensing Range
40G Trip, -40G Release
Voltage - Supply
4.2 V ~ 24 V
Current - Supply
8mA
Current - Output (max)
25mA
Output Type
Digital, Open Collector
Features
Regulated Voltage
Operating Temperature
-40°C ~ 150°C
Package / Case
3-SIP
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
Ultra Mini SIP
Pin Count
3
Mounting
Through Hole
Operating Temp Range
-40C to 150C
Operating Temperature Classification
Automotive
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
A3280LUA
Manufacturer:
FSC
Quantity:
2 709
A3280, A3281
and
be con nect ed (in close proximity to the Hall element) 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.
a ring magnet. Oth er meth ods of operation, such as linear mag-
nets, are possible.
available in:
• Hall-Effect IC Applications Guide, Application Note 27701;
• Guidelines for Designing Subassemblies Using Hall-Effect De-
The sim plest form of magnet that will op er ate these devices is
Extensive applications information for Hall-effect devices is
A3283
X
APPLICATIONS INFORMATION
vices, Application Note 27703.1
More detailed descriptions of the chopper-stabilized circuit opera-
tion can be found in:
• Monolithic Magnetic Hall Sensing 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
Chopper-Stabilized, Precision
0.1 F
SUPPLY
www.allegromicro.com
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.
9