3134 Ver la hoja de datos (PDF) - Allegro MicroSystems
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3134 Datasheet PDF : 6 Pages
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3134
LOW-HYSTERESIS
BIPOLAR HALL-EFFECT SWITCH
FOR HIGH-TEMP. OPERATION
FUNCTIONAL BLOCK DIAGRAM
1 VCC
REG.
X
3 OUTPUT
2 GROUND
Dwg. FH-005-3
ELECTRICAL CHARACTERISTICS over operating temperature range, at VCC = 12 V.
Limits
Characteristic
Symbol
Test Conditions
Min. Typ. Max.
Supply Voltage
Output Saturation Voltage
Output Leakage Current
Supply Current
Output Rise Time
Output Fall Time
VCC
VOUT(SAT)
IOFF
ICC
tr
tf
Operating
IOUT = 20 mA, B > BOP
VOUT = 24 V, B < BRP
B < BRP (Output OFF)
B > BOP (Output ON)
RL = 820 Ω, CL = 20 pF
RL = 820 Ω, CL = 20 pF
4.5
—
24
—
175 400
— 0.05 1.0
—
3.2 9.0
—
5.0
—
—
100
—
—
100
—
Units
V
mV
µA
mA
mA
ns
ns
MAGNETIC CHARACTERISTICS over oper. temp. and oper. supply voltage ranges.
Limits
Characteristic
Symbol
Test Conditions
Min. Typ. Max.
Operate Point
BOP
Release Point
BRP
Hysteresis
Bhys
-40 8.5
60
-50
-19
50
5.0
27
55
NOTES: BOP = 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 TA = +25°C and VCC = 12 V.
1 gauss (G) is exactly equal to 0.1 millitesla (mT).
Units
G
G
G
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 1995, 2003 Allegro MicroSystems, Inc.
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