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A3280LLT-T Datasheet(PDF) 4 Page - Allegro MicroSystems

Part # A3280LLT-T
Description  CHOPPER-STABILIZED, PRECISION HALL-EF FECT LATCHES
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A3280LLT-T Datasheet(HTML) 4 Page - Allegro MicroSystems

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3280, 3281, AND 3283
CHOPPER-STABILIZED,
PRECISION
HALL-EFFECT LATCHES
www.allegromicro.com
4
Part Numbers1
A3280
A3281
A3283
Characteristic
Test Conditions
Min.
Typ.
Max.
Min.
Typ.
Max.
Min.
Typ.
Max.
Units
Operate Point, BOP
at TA = +25°C and TA = max.
5.0
22
40
15
50
90
100
150
180
G
at TA = -40°C
5.0
40
15
90
100
200
G
Release Point, BRP
at TA = +25°C and TA = max.
-40
-23
-5.0
-90
-50
-15
-180
-150
-100
G
at TA = -40°C
-40
-5.0
-90
-15
-200
-100
G
Hysteresis, Bhys
at TA = +25°C and TA = max.
10
45
80
30
100
180
300
360
G
(BOP - BRP)
at TA = -40°C
80
180
360
G
NOTES:1. Complete part number includes a suffix to identify operating temperature range (E or L) and
package type (LH, LT, or UA).
2. As used here, negative flux densities are defined as less than zero (algebraic convention) and -50 G is less than +10 G.
3. Typical Data is at TA = +25°C and VCC = 12 V and is for design information only.
4. 1 gauss (G) is exactly equal to 0.1 millitesla (mT).
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Supply Voltage Range
VCC
Operating, TJ < 165°C1
4.2
24
V
Output Leakage Current
IOFF
VOUT = 24 V, B < BRP
––
10
µA
Output Saturation Voltage
VOUT(SAT)
IOUT = 20 mA, B > BOP
185
500
mV
Output Current Limit
IOM
B > BOP
30
60
mA
Power-On Time
tpo
VCC > 4.2 V
50
µs
Chopping Frequency
fC
340
kHz
Output Rise Time
tr
RL = 820 Ω, CL = 20 pF
0.2
2.0
µs
Output Fall Time
tf
RL = 820 Ω, CL = 20 pF
0.1
2.0
µs
Supply Current
ICC
B < BRP, VCC = 12 V
3.0
8.0
mA
B > BOP, VCC = 12 V
4.0
8.0
mA
Reverse Battery Current
ICC
VRCC = -30 V
-5.0
mA
Zener Voltage
VZ + VD
ICC = 15 mA, TA = 25°C
283237
V
Zener Impedance
zz + zD
ICC = 15 mA, TA = 25°C–
50
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.
ELECTRICAL CHARACTERISTICS over operating temperature range.
MAGNETIC CHARACTERISTICS over operating voltage range.


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