參數(shù)資料
型號(hào): A3245
廠商: Allegro MicroSystems, Inc.
英文描述: Chopper-Stabilized Omnipolar Hall-Effect Switches
中文描述: 斬波穩(wěn)定全極霍爾效應(yīng)開(kāi)關(guān)
文件頁(yè)數(shù): 3/12頁(yè)
文件大?。?/td> 392K
代理商: A3245
3
A3245-DS, Rev. 1
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Chopper-Stabilized Omnipolar Hall Effect Switches
A3245
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
South pole adjacent to branded face of device
North pole adjacent to branded face of device
South pole adjacent to branded face of device
North pole adjacent to branded face of device
Hysteresis
B
HYS
|B
OP
X
– B
RP
X
|
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).
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
OPS
B
OPN
B
RPS
B
RPN
15
–55
5
–50
5
38
–38
20
–20
18
55
–15
50
–5
30
G
G
G
G
G
Release Point
DEVICE QUALIFICATION PROGRAM
Contact Allegro for information.
EMC (Electromagnetic Compatibility) REQUIREMENTS
Contact Allegro for information.
相關(guān)PDF資料
PDF描述
A3245EUA Chopper-Stabilized Omnipolar Hall-Effect Switches
A3245EUA-T Chopper-Stabilized Omnipolar Hall-Effect Switches
A3245LLHLT-T Chopper-Stabilized Omnipolar Hall-Effect Switches
A3245LUA Chopper-Stabilized Omnipolar Hall-Effect Switches
A3245LUA-T Chopper-Stabilized Omnipolar Hall-Effect Switches
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