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A3230 Datasheet(PDF) 3 Page - Allegro MicroSystems

Part No. A3230
Description  Chopper-Stabilized Hall-Effect Bipolar Switch
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Maker  ALLEGRO [Allegro MicroSystems]
Homepage  http://www.allegromicro.com
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A3230 Datasheet(HTML) 3 Page - Allegro MicroSystems

 
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A3230-DS
Worcester, Massachusetts 01615-0036 (508) 853-5000
115 Northeast Cutoff, Box 15036
www.allegromicro.com
Allegro MicroSystems, Inc.
Chopper-Stabilized Hall Effect Bipolar Switch
A3230
OPERATING CHARACTERISTICS valid over full operating voltage and ambient temperature ranges, unless otherwise noted
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Electrical Characteristics
Supply Voltage1
VCC
Operating, TJ < 165°C
3.6
24
V
Output Leakage Current
IOUTOFF
VOUT = 24 V, B < BRP
10
µA
Output On Voltage
VOUT(SAT)
IOUT = 20 mA, B > BOP
250
500
mV
Output Current Limit
IOM
B > BOP
30
60
mA
Power-On Time
tPO
VCC > 3.6 V
8
50
µs
Chopping Frequency
fc
200
kHz
Output Rise Time2
tr
RLOAD = 820 Ω, CS = 20 pF
0.2
1
µs
Output Fall Time2
tf
RLOAD = 820 Ω, CS = 20 pF
0.2
1
µs
Supply Current
ICCON
B > BOP
1.6
5
mA
ICCOFF
B < BRP
1.6
5
mA
Reverse Battery Current
IRCC
VRCC = –18 V
–2
mA
Supply Zener Clamp Voltage
VZ
ICC = 8 mA; TA = 25°C
28
V
Supply Zener Current3
IZ
VS = 28 V
8
mA
Magnetic Characteristics4
Operate Point
BOP
South pole adjacent to branded face of device
–10
7.5
25
G
Release Point
BRP
North pole adjacent to branded face of device
–25
–7.5
10
G
Hysteresis
BHYS
BOP – BRP
515
25
G
1 Maximum voltage must be adjusted for power dissipation and junction temperature, see Power Derating section.
2 CS = oscilloscope probe capacitance.
3 Maximum current limit is equal to the maximum ICC(MAX) + 3 mA.
4 Magnetic flux density, B, is indicated as a negative value for north-polarity magnetic fields, and as a positive value for south-polarity magnetic fields.
This so-called algebraic convention supports arithmetic comparison of north and south polarity values, where the relative strength of the field is indicated
by the absolute value of B, and the sign indicates the polarity of the field (for example, a –100 G field and a 100 G field have equivalent strength, but
opposite polarity).
DEVICE QUALIFICATION PROGRAM
Contact Allegro for information.
EMC (Electromagnetic Compatibility) REQUIREMENTS
Contact Allegro for information.


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