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3141 Datasheet(PDF) 2 Page - Allegro MicroSystems

Part No. 3141
Description  SENSITIVE HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION
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Maker  ALLEGRO [Allegro MicroSystems]
Homepage  http://www.allegromicro.com
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3141 Datasheet(HTML) 2 Page - Allegro MicroSystems

   
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3141 THRU 3144
SENSITIVE
HALL-EFFECT SWITCHES
FOR HIGH-TEMP. OPERATION
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
FUNCTIONAL BLOCK DIAGRAM
VCC
X
REG.
Dwg. FH-005-2
GROUND
OUTPUT
3
2
1
MAGNETIC CHARACTERISTICS in gauss over operating supply voltage range.
NOTES: Typical values are at TA = +25°C and VCC = 8 V.
BOP = operate point (output turns ON); BRP = release point (output turns OFF); Bhys = hysteresis (BOP - BRP).
1 gauss (G) is exactly equal to 0.1 millitesla (mT).
*Complete part number includes a suffix to identify operating temperature range (E- or L-) and package type ( -LT or -UA).
ELECTRICAL CHARACTERISTICS at V
CC
= 8 V over operating temperature range.
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Supply Voltage
VCC
Operating
4.5
24
V
Output Saturation Voltage
VOUT(SAT)
IOUT = 20 mA, B > BOP
175
400
mV
Output Leakage Current
IOFF
VOUT = 24 V, B < BRP
<1.010
µA
Supply Current
ICC
B < BRP (Output OFF)
4.4
9.0mA
Output Rise Time
tr
RL = 820 Ω, CL = 20 pF
0.04
2.0
µs
Output Fall Time
tf
RL = 820 Ω, CL = 20 pF
0.18
2.0
µs
Part Numbers*
A3141–
A3142–
A3143–
A3144–
Characteristic
Min.
Typ.
Max.
Min.
Typ.
Max.
Min.
Typ.
Max.
Min.
Typ.
Max.
BOP at TA = 25°C
5010
0160 130180230 220280340
70 —
350
over operating temp. range
3010
0175
115
180245
20
5
280355
35
450
BRP at TA = 25°C
1045
130
75
125
175
165
225
285
50—
330
over operating temp. range
1045
145
60
125
190 150
225
30
0 25
430
Bhys at TA = 25°C
2055
80
3055
80 3055
80 2055
over operating temp. range
2055
80
3055
80 3055
80 2055
Copyright © 1993, 2002 Allegro MicroSystems, Inc.


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