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LT140A 数据表(PDF) 1 Page - Sharp Electrionic Components

部件名 LT140A
功能描述  Hall Voltage 160mV Thin-Type Package GaAs Hall Device
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制造商  SHARP [Sharp Electrionic Components]
网页  http://sharp-world.com/
标志 SHARP - Sharp Electrionic Components

LT140A 数据表(HTML) 1 Page - Sharp Electrionic Components

  LT140A Datasheet HTML 1Page - Sharp Electrionic Components LT140A Datasheet HTML 2Page - Sharp Electrionic Components  
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In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices
shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device spcification sheets before using any SHARP device.
s Features
¡Small temperature coefficient of the Hall voltage
¡Good linearity of the Hall voltage
¡Small imbalanced voltage
¡Directly DC voltage applicable
s Applications
¡Brushless motors
VCR, CD, CD-ROM, FDD
¡Measuring equipment
Gauss meters, magnetic substance detectors
¡Noncontact sensors
Microswitches, tape-end detection
¡Other magnetic detection
s Outline Dimensions
(Unit : mm)
LT140A
LT140A
Hall Voltage 160mV Thin-Type Package GaAs Hall Device
Hall Device
Terminal connection
1 :
VC Input
2 :
VH Output
3 :
VC Input
4 :
VH Output
0.3
0.3
0.6
0.05±0.05
0.3
0.3
14
23
Silver Mark
0.9
1.45
1.40
+
+
-
-
As for dimensions of tape-packaged products, refer to page 44 .
Control voltage
Power dissipation
Operating temperature
Storage temperature
Soldering temperature*1
Symbol
VC
PD
Topr
Tstg
Tsol
Rating
12
150
-20 to +125
-55 to +150
260
Unit
V
mW
˚C
˚C
˚C
Parameter
*1 Soldering time : 10 seconds
s Absolute Maximum Ratings
(Ta=25˚C)
Control current
IC
15
mA
s Electrical Characteristics
(Ta=25˚C)
No-load Hall voltage *1
Imbalanced ratio *2
Input resistance
Output resistance
Drift of imbalanced voltage vs. temperature
Temperature coefficient of Hall voltage
Temperature coefficient of input resistance
Linearity of Hall voltage
Symbol
VH
Rank A
Rank B
Rank C
RIN
ROUT
|
∆VHO|
β
α
γ
Conditions
VC=6V, B=100mT
VC=6V,(B=0)/(B=100mT)
IM=1mA, B=0mT
IM=1mA, B=0mT
VC=6V, B=0mT, Ta=-20˚C to 25˚C
VC=6V, B=0mT, Ta=25˚C to 125˚C
IC=6mA, B=100mT, T1=-20˚C, T2=125˚C
IM=1mA, B=0mT, T1=-20˚C, T2=125˚C
IC=6mA, B1=50mT, B2=100mT
MIN.
145
2
-5
-2
650
1 300
-
-
-
-
TYP.
160
-
-
-
800
1 600
5
-0.04
0.2
0.3
MAX.
175
12
5
-12
950
1 900
-
-
-
-
Unit
mV
%
mV
%/˚C
%/˚C
%
Parameter
*1 No-load Hall voltage is nearly proportional to Vc (within the range of 1 to 6V) at temperatures of -20˚C to + 125˚C.
Keep the voltage within the allowable power dissipation range.
*2 Imbalanced ratio is in +/-12% within the range of Vc=1 to 6V.
VH=VM-VHO
VM:Observed Hall voltage
VHO:Imbalanced voltage
KH:Sensitivity
α=
β=
1
VH(T1)
X
X100
{VH(T2)-VH(T1)}
(T2-T1)
XX100
1
RIN(T1)
{RIN(T2)-RIN(T1)}
(T2-T1)
X2X100,
γ= {KH(B2)-KH(B1)}
{KH(B1)+KH(B2)}
KH=
VH
(ICXB)
VHO/VH


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