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參數(shù)資料
| 型號(hào)： | A3242LLHLT-T |
| 廠(chǎng)商： | Allegro MicroSystems, Inc. |
| 英文描述： | Chopper-Stabilized Unipolar Hall-Effect Switches |
| 中文描述： | 斬波穩(wěn)定單極霍爾效應(yīng)開(kāi)關(guān) |
| 文件頁(yè)數(shù)： | 3/12頁(yè) |
| 文件大小： | 401K |
| 代理商： | A3242LLHLT-T |
3
A3241-DS, Rev. 2
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Chopper-Stabilized Unipolar Hall Effect Switches
A3241 and A3242
OPERATING CHARACTERISTICS
valid over full operating voltage and ambient temperature ranges, unless otherwise noted
Characteristic
Symbol
Electrical Characteristics
Supply Voltage
1
V
CC
Operating, T
J
< 165°C
Output Leakage Current
I
OUTOFF
V
OUT
= 24 V, B < B
RP
Output On Voltage
V
OUT(SAT)
I
OUT
= 20 mA, B > B
OP
Output Current Limit
I
OM
B > B
OP
Power-On Time
t
PO
V
CC
> V
CC(MIN)
Chopping Frequency
f
c
Output Rise Time
2
t
r
R
LOAD
= 820
Ω
, C
S
= 20 pF
Output Fall Time
2
t
f
R
LOAD
= 820
Ω
, C
S
= 20 pF
I
CCON
B > B
OP
I
CCOFF
B < B
RP
Reverse Battery Current
I
RCC
V
RCC
= –18 V
Supply Zener Clamp Voltage
V
ZSupply
I
CC
= 6.5 mA; T
A
= 25°C
Supply Zener Current
3
I
ZSupply
V
S
= 28 V
Magnetic Characteristics
4
Test Conditions
Min.
Typ.
Max.
Units
3.6
–
–
30
–
–
–
–
–
–
–
–
–
–
–
–
24
10
500
60
50
–
1
1
3.5
3.5
–2
V
μ
A
mV
mA
μ
s
kHz
μ
s
μ
s
mA
mA
mA
200
–
–
1.5
1.5
–
Supply Current
28
–
–
V
–
–
6.5
mA
Operate Point
B
OP
A3241
A3242
A3241
A3242
A3241
A3242
50
120
40
110
10
10
95
150
70
125
25
25
135
200
110
190
42
40
G
G
Release Point
B
RP
G
G
Hysteresis
B
HYS
B
OP
– B
RP
G
G
1
Maximum voltage must be adjusted for power dissipation and junction temperature, see
Power Derating
section.
2
C
S
= oscilloscope probe capacitance.
3
Maximum current limit is equal to the maximum I
CC(MAX)
+ 3 mA.
4
Magnetic
fl
ux density, B, is indicated as a negative value for north-polarity magnetic
fi
elds, and as a positive value for south-polarity magnetic
fi
elds.
This so-called algebraic convention supports arithmetic comparison of north and south polarity values, where the relative strength of the
fi
eld is indicated
by the absolute value of B, and the sign indicates the polarity of the
fi
eld (for example, a –100 G
fi
eld and a 100 G
fi
eld 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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