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What is A3122LT?

This electronic component, produced by the manufacturer "Allegro MicroSystems", performs the same function as "HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION".


A3122LT Datasheet PDF - Allegro MicroSystems

Part Number A3122LT
Description HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION
Manufacturers Allegro MicroSystems 
Logo Allegro MicroSystems Logo 


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A3121, A3122, and A3133
Hall Effect Switches for High Temperature Operation
Discontinued Product
These parts are no longer in production The device should not be
purchased for new design applications. Samples are no longer available.
Date of status change: October 31, 2005
Recommended Substitutions:
For new customers and applications, refer to the A110x family.
NOTE: For detailed information on purchasing options, contact your
local Allegro field applications engineer or sales representative.
Allegro MicroSystems, Inc. reserves the right to make, from time to time, revisions to the anticipated product life cycle plan for a
product to accommodate changes in production capabilities, alternative product availabilities, or market demand. The information
included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no responsibility for its use; nor
for any infringements of patents or other rights of third parties which may result from its use.

line_dark_gray
A3122LT equivalent
3121, 3122, AND 3123
HALL-EFFECT SWITCHES
FOR HIGH-TEMPERATURE
OPERATION
ELEMENT LOCATIONS
(±0.005" [0.13 mm] die placement)
Suffix “LT”
ACTIVE AREA DEPTH
0.0305"
0.775 mm
NOM
0.089"
2.26 mm
A
0.043"
1.09 mm
12
3
Dwg. MH-008-2D
Suffix “UA”
ACTIVE AREA DEPTH
0.0195"
0.50 mm
NOM
0.082"
2.07 mm
A
BRANDED
SURFACE
1
2
0.055"
1.38 mm
3
Dwg. MH-011-2D
OPERATION
The output of these devices (pin 3) switches low when the mag-
netic field at the Hall element exceeds the operate point threshold (BOP).
At this point, the output voltage is V .OUT(SAT) When the magnetic field
is reduced to below the release point threshold (BRP), the device output
goes high. The difference in the magnetic operate and release points is
called the hysteresis (Bhys) of the device. This built-in hysteresis allows
clean switching of the output even in the presence of external mechani-
cal vibration and electrical noise.
APPLICATIONS INFORMATION
Extensive applications information for Hall-effect devices is
available in:
Hall-Effect IC Applications Guide, Application Note 27701;
Hall-Effect Devices: Soldering, Gluing, Potting, Encapsulating, and
Lead Forming, Application Note 27703.1;
Soldering of Through-Hole Hall-Sensor Dervices, Application Note
27703; and
Soldering of Surface-Mount Hall-Sensor Devices, Application Note
27703.2.
All are provided in Allegro Electronic Data Book, AMS-702. or at
www.allegromicro.com
Allegro
CHANGE IN OPERATE POINT
20
15
TA = +25°C
10
5.0
0
-5.0
0
5 10 15
SUPPLY VOLTAGE IN VOLTS
20 25
Dwg. GH-042
115 Northeast Cutoff, Box 15036
4 Worcester, Massachusetts 01615-0036 (508) 853-5000


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for A3122LT electronic component.


Information Total 9 Pages
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Featured Datasheets

Part NumberDescriptionMFRS
A3122LTThe function is HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION. Allegro MicroSystemsAllegro MicroSystems

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