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3134 Datasheet(PDF) 2 Page - Allegro MicroSystems

Part No. 3134
Description  BIPOLAR HALL-EFFECT SWITCH FOR HIGH-TEMPERATURE OPERATION
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Maker  ALLEGRO [Allegro MicroSystems]
Homepage  http://www.allegromicro.com
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3134 Datasheet(HTML) 2 Page - Allegro MicroSystems

   
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3134
LOW-HYSTERESIS
BIPOLAR HALL-EFFECT SWITCH
FOR HIGH-TEMP. OPERATION
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Supply Voltage
V
CC
Operating
4.5
24
V
Output Saturation Voltage
V
OUT(SAT)
I
OUT = 20 mA, B > BOP
175
400
mV
Output Leakage Current
I
OFF
V
OUT = 24 V, B < BRP
0.05
1.0
µA
Supply Current
I
CC
B < B
RP (Output OFF)
3.2
9.0mA
B > B
OP (Output ON)
5.0—
mA
Output Rise Time
t
r
R
L = 820 Ω, CL = 20 pF
100
ns
Output Fall Time
t
f
R
L = 820 Ω, CL = 20 pF
100
ns
ELECTRICAL CHARACTERISTICS over operating temperature range, at V
CC = 12 V.
MAGNETIC CHARACTERISTICS over oper. temp. and oper. supply voltage ranges.
VCC
X
REG.
Dwg. FH-005-3
GROUND
OUTPUT
1
3
2
FUNCTIONAL BLOCK DIAGRAM
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Operate Point
B
OP
-408.5
60 G
Release Point
B
RP
-50-19
50 G
Hysteresis
B
hys
5.027
55
G
Copyright © 1995, 2003 Allegro MicroSystems, Inc.
NOTES: B
OP = operate point (output turns ON); BRP = release point (output turns OFF); Bhys = hysteresis (BOP - BRP).
As used here, negative flux densities are defined as less than zero (algebraic convention).
Typical values are at T
A = +25°C and VCC = 12 V.
1 gauss (G) is exactly equal to 0.1 millitesla (mT).


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