A3240ELH Ver la hoja de datos (PDF) - Allegro MicroSystems
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A3240ELH Datasheet PDF : 10 Pages
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3240
CHOPPER-STABILIZED,
PRECISION
HALL-EFFECT SWITCH
ELECTRICAL CHARACTERISTICS over operating temperature range.
Characteristic
Symbol
Test Conditions
Min.
Supply Voltage Range
Output Leakage Current
VCC
Operating, TJ < 165°C1
4.2
IOFF
VOUT = 24 V, B < BRP
–
Output Saturation Voltage
Output Current Limit
Power-On Time
VOUT(SAT)
IOUT = 20 mA, B > BOP
–
IOM
B > BOP
30
tpo
VCC > 4.2 V
–
Chopping Frequency
Output Rise Time
Output Fall Time
fC
–
tr
RL = 820 Ω, CL = 20 pF
–
tf
RL = 820 Ω, CL = 20 pF
–
Supply Current
ICC
B < BRP, VCC = 12 V
–
Reverse Battery Current
Zener Voltage
Zener Impedance
B > BOP, VCC = 12 V
–
ICC
VRCC = -30 V
–
VZ + VD
ICC = 15 mA, TA = 25°C
28
zz + zD
ICC = 15 mA, TA = 25°C
–
NOTES:1. Maximum voltage must be adjusted for power dissipation and junction temperature.
2. BOP = operate point (output turns on); BRP = release point (output turns off).
3. Typical Data is at TA = +25°C and VCC = 12 V and is for design information only.
Limits
Typ. Max.
–
24
–
10
185
500
–
60
–
50
340
–
0.2
2.0
0.1
2.0
3.0
6.0
4.0
6.0
–
-5.0
32
37
50
–
Units
V
µA
mV
mA
µs
kHz
µs
µs
mA
mA
mA
V
Ω
MAGNETIC CHARACTERISTICS over operating supply voltage and temperature ranges.
Limits
Characteristic
Symbol
Test Conditions
Min. Typ. Max. Units
Operate Point
Release Point
Hysteresis
BOP
BRP
Bhys
BOP - BRP
–
35
50
G
5.0
25
–
G
–
10
–
G
NOTES: 1. Typical Data is at TA = +25°C and VCC = 12 V and is for design information only.
2. 1 gauss (G) is exactly equal to 0.1 millitesla (mT).
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