参数资料
型号: A3241EUA-T
厂商: Allegro Microsystems Inc
文件页数: 4/13页
文件大小: 482K
描述: IC SWITCH HALL EFFECT 3-SIP
产品培训模块: Current Sensor
标准包装: 500
传感范围: 135G 跳闸,40G 释放
类型: 单极开关
电源电压: 3.6 V ~ 24 V
电流 - 电源: 3.5mA
输出类型: 数字式,开漏极
特点: 稳压电压
工作温度: -40°C ~ 85°C
封装/外壳: 3-SIP
供应商设备封装: 3-SIP
包装: 散装
Chopper-Stabilized Unipolar Hall Effect Switches
A3241 and
A3242
3
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
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 Voltage
1
V
CC
Operating, T
J
 < 165癈
3.6        24    V
Output Leakage Current
I
OUTOFF
V
OUT
 = 24 V, B < B
RP
        10   糀
Output On Voltage
V
OUT(SAT)
I
OUT
 = 20 mA, B > B
OP
        500   mV
Output Current Limit
I
OM
B > B
OP
30        60   mA
Power-On Time
t
PO
V
CC
 > V
CC(MIN)
        50    約
Chopping Frequency
f
c
    200       kHz
Output Rise Time
2
t
r
R
LOAD
 = 820 ? C
S
  = 20 pF
        1    約
Output Fall Time
2
t
f
R
LOAD
 = 820 ? C
S
  = 20 pF
        1    約
Supply Current
I
CCON
B > B
OP
    1.5   3.5   mA
I
CCOFF
B < B
RP
    1.5   3.5   mA
Reverse Battery Current
I
RCC
V
RCC
 = 18 V
        2   mA
Supply Zener Clamp Voltage    V
ZSupply
I
CC
 = 6.5 mA; T
A
 = 25癈
28            V
Supply Zener Current
3
I
ZSupply
V
S
 = 28 V
        6.5   mA
Magnetic Characteristics
4
Operate Point
B
OP
A3241
50    95   135
G
A3242
120   150   200   G
Release Point
B
RP
A3241
40    70   110
G
A3242
110   125   190   G
Hysteresis
B
HYS
A3241
B
OP
 B
RP
10    25    42    G
A3242
10    25    40
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  ux density, B, is indicated as a negative value for north-polarity magnetic  elds, and as a positive value for south-polarity magnetic  elds.
This so-called algebraic convention supports arithmetic comparison of north and south polarity values, where the relative strength of the  eld is indicated
by the absolute value of B, and the sign indicates the polarity of the  eld (for example, a 100 G  eld and a 100 G  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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