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PDF A3260UA-TL Data sheet ( Hoja de datos )
| Número de pieza | A3260UA-TL | |
| Descripción | 2-WIRE/ CHOPPER-STABILIZED/ PRECISION HALL-EFFECT BIPOLAR SWITCH | |
| Fabricantes | Allegro MicroSystems | |
| Logotipo |  |
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3260
2-WIRE, CHOPPER-STABILIZED,
PRECISION HALL-EFFECT BIPOLAR SWITCH
Suffix Code 'LH' Pinning
3
NC
12
Dwg. PH-003-5
Pinning is shown viewed from branded side.
ADVANCE INFORMATION
(subject to change without notice)
June 30, 2000
The A3260-- Hall-effect bipolar switch is an extremely
temperature-stable and stress-resistant sensor especially suited for
operation over extended temperature ranges to +150°C. Superior
high-temperature performance is made possible through dynamic
offset cancellation, which reduces the residual offset voltage normally
caused by device overmolding, temperature dependencies, and thermal
stress.
The device includes on a single silicon chip a voltage regulator,
Hall-voltage generator, small-signal amplifier, chopper stabilization,
Schmitt trigger, and a constant-current open-collector output. A south
pole of sufficient strength will turn the output OFF. An on-board
regulator permits operation with supply voltages of 3.5 to 24 volts.
Noise radiation is limited by control of the output current slew rate.
The first character of the part number suffix determines the device
operating temperature range; suffix ‘E–’ is -40°C to +85°C and ‘L–’ is
-40°C to +150°C. Three package styles provide a magnetically opti-
mized package for most applications. Suffix ‘–LH’ is a miniature low-
profile surface-mount package, ‘–LT’ is a miniature SOT-89/TO-
243AA transistor package for surface-mount applications; while suffix
‘–UA’ is a three-lead ultra-mini-SIP for through-hole mounting.
ABSOLUTE MAXIMUM RATINGS
at TA=+25°C
Supply Voltage, VCC ........................... 27 V
Reverse Battery Voltage, VRCC .......... -16 V
Magnetic Flux Density, B ........... Unlimited
Package Power Dissipation, PD . See Graph
Junction Temperature, TJ ............... +170°C
Operating Temperature Range, TA
Suffix ‘E–’ .................. -40°C to +85°C
Suffix ‘L–’ ................ -40°C to +150°C
Storage Temperature Range,
TS .............................. -65°C to +170°C
FEATURES
I Internal Current Regulator for 2-Wire Operation
I Output Slew Rate Controlled
I Resistant to Physical Stress
I Superior Temperature Stability
I Operation From Unregulated Supply
I Reverse Battery Protection
I Solid-State Reliability
I Small Size
Always order by complete part number: the prefix 'A' + the basic four-digit
part number + a suffix to indicate operating temperature range +
a suffix to indicate package style, e.g., A3260ELH .
1 page  
SENSOR LOCATIONS
(±0.005” [0.13 mm] die placement)
Package Designator “LH”
ACTIVE AREA DEPTH
0.011"
0.28 mm
NOM
0.059"
1.49 mm
3
0.038"
0.96 mm
A
1
2
Dwg. MH-025
Package Designator “LT”
ACTIVE AREA DEPTH
0.030"
0.76 mm
NOM
A
0.088"
2.24 mm
0.045"
1.14 mm
12
3
Dwg. MH-008-8
Package Designators “UA” and "UA-TL"
ACTIVE AREA DEPTH
0.018"
0.46 mm
NOM
A
BRANDED
SURFACE
1
0.080"
2.04 mm
0.056"
1.44 mm
23
Dwg. MH-011-9A
Although sensor location is accurate to three sigma for a
particular design, product improvements may result in small
changes to sensor location.
3260
2-WIRE, CHOPPER-STABILIZED,
PRECISION HALL-EFFECT
BIPOLAR SWITCH
Allegro
700
600
500 Suffix "–UA"
RθJA = 206°C/W
400
Suffix "–LT"
RθJA = 258°C/W
Suffix "–LH"
RθJA = 248°C/W
300
200
100
Suffix "E–"
Suffix "L–"
0
20 40 60 80 100 120 140 160 180
AMBIENT TEMPERATURE in °C
Dwg. GH-046-2C
www.allegromicro.com
5
5 Page 
3260
2-WIRE, CHOPPER-STABILIZED,
PRECISION HALL-EFFECT
BIPOLAR SWITCH
www.allegromicro.com
The products described herein are manufactured under one or
more of the following U.S. patents: 5,045,920; 5,264,783; 5,442,283;
5,389,889; 5,581,179; 5,517,112; 5,619,137; 5,621,319; 5,650,719;
5,686,894; 5,694,038; 5,729,130; 5,917,320; and other patents
pending.
Allegro MicroSystems, Inc. reserves the right to make, from time to
time, such departures from the detail specifications as may be
required to permit improvements in the performance, reliability, or
manufacturability of its products. Before placing an order, the user is
cautioned to verify that the information being relied upon is current.
Allegro products are not authorized for use as critical components
in life-support appliances, devices, or systems without express written
approval.
The information included herein is believed to be accurate and
reliable. However, Allegro MicroSystems, Inc. assumes no responsi-
bility for its use; nor for any infringements of patents or other rights
of third parties that may result from its use.
11
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| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet A3260UA-TL.PDF ] | |
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