參數(shù)資料
型號(hào): A3245LLHLT-T
廠商: Allegro Microsystems Inc
文件頁(yè)數(shù): 4/13頁(yè)
文件大?。?/td> 506K
描述: IC SW HALL EFFECT OMNI SOT23W
產(chǎn)品培訓(xùn)模塊: Current Sensor
標(biāo)準(zhǔn)包裝: 3,000
傳感范圍: ±55G 跳閘,±6G 釋放
類型: 全極開關(guān)
電源電壓: 3.6 V ~ 24 V
電流 - 電源: 3.5mA
輸出類型: 數(shù)字式,開漏極
特點(diǎn): 穩(wěn)壓電壓
工作溫度: -40°C ~ 150°C
封裝/外殼: SOT-23W
供應(yīng)商設(shè)備封裝: SOT-23W
包裝: 帶卷 (TR)
Chopper-Stabilized Omnipolar Hall Effect Switches
A3245
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
OPS
South pole adjacent to branded face of device
15    38    55    G
B
OPN
North pole adjacent to branded face of device
55   38   15   G
Release Point
B
RPS
South pole adjacent to branded face of device
5    20    50    G
B
RPN
North pole adjacent to branded face of device
50   20   5    G
Hysteresis
B
HYS
|B
OPX
 B
RPX
|
 
5    18    30    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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