A3280ELT 查看數據表（PDF） - Allegro MicroSystems
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A3280ELT Datasheet PDF : 12 Pages
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3280, 3281, AND 3283
CHOPPER-STABILIZED,
PRECISION
HALL-EFFECT LATCHES
ELECTRICAL CHARACTERISTICS over operating temperature range.
Limits
Characteristic
Symbol
Test Conditions
Min. Typ. Max. Units
Supply Voltage Range
Output Leakage Current
Output Saturation Voltage
Output Current Limit
Power-On Time
Chopping Frequency
Output Rise Time
Output Fall Time
Supply Current
Reverse Battery Current
Zener Voltage
Zener Impedance
VCC
IOFF
VOUT(SAT)
IOM
tpo
fC
tr
tf
ICC
ICC
VZ + VD
zz + zD
Operating, TJ < 165°C1
VOUT = 24 V, B < BRP
IOUT = 20 mA, B > BOP
B > BOP
VCC > 4.2 V
RL = 820 Ω, CL = 20 pF
RL = 820 Ω, CL = 20 pF
B < BRP, VCC = 12 V
B > BOP, VCC = 12 V
VRCC = -30 V
ICC = 15 mA, TA = 25°C
ICC = 15 mA, TA = 25°C
4.2
–
24
V
–
–
10
µA
–
185
500
mV
30
–
60
mA
–
–
50
µs
–
340
–
kHz
–
0.2
2.0
µs
–
0.1
2.0
µs
–
3.0
8.0
mA
–
4.0
8.0
mA
–
–
-5.0
mA
28
32
37
V
–
50
–
Ω
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.
MAGNETIC CHARACTERISTICS over operating voltage range.
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
(BOP - BRP)
at TA = +25°C and TA = max.
10 45 80 30 100 180 – 300 360
G
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).
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