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PDF LT120 Data sheet ( Hoja de datos )
| Número de pieza | LT120 | |
| Descripción | Hall Voltage 160mV GaAs Hall Device | |
| Fabricantes | Sharp Electrionic Components | |
| Logotipo |  |
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Hall Device
LT120A
LT120A
s Features
¡Small temperature coefficient of the Hall voltage
¡Good linearity of the Hall voltage
¡Small imbalanced voltage
¡Directly DC voltage applicable
Hall Voltage 160mV GaAs Hall Device
s Outline Dimensions
2.7±0.3
14
(Unit : mm)
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 Absolute Maximum Ratings
(Ta=25˚C)
Parameter
Control voltage
Control current
Power dissipation
Operating temperature
Storage temperature
Soldering temperature* 1
*1 Soldering time : 10 seconds
Symbol
VC
IC
PD
Topr
Tstg
Tsol
Rating
12
15
150
-20 to +125
-55 to +150
260
Unit
V
mA
mW
˚C
˚C
˚C
N
23
4-R0.2
0.6 1.5±0.2 0.6
Terminal connection
1:VC Input
2:VH Output
3:VC Input
4:VH Output
As for dimensions of tape-packaged products, refer to page 44 .
s Electrical Characteristics
Parameter
No-load Hall voltage *1
Imbalanced ratio *2
Input resistance
Output resistance
Rank A
Rank B
Rank C
Drift of imbalanced voltage vs. temperature
Temperature coefficient of Hall voltage
Temperature coefficient of input resistance
Linearity of Hall voltage
Symbol
VH
VHO/VH
RIN
ROUT
|∆VHO|
β
α
γ
Conditions
VC=6V, B=100mT
VC=6V, (B=0)/(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
-
-
-
-
*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
β=
1
VH(T1)
X
{VH(T2)-VH(T1)}
(T2-T1)
X100
α=
1 X {RIN(T2)-RIN(T1)} X100
RIN(T1)
(T2-T1)
γ=
{KH(B2)-KH(B1)}
{KH(B1)+KH(B2)}
X2X100,
KH=
VH
(ICXB)
VM:Observed Hall voltage
VHO:Imbalanced voltage
KH:Sensitivity
TYP.
160
-
-
-
800
1 600
5
-0.04
0.2
0.3
(Ta=25˚C)
MAX.
175
12
5
-12
950
1 900
Unit
mV
%
Ω
Ω
- mV
- %/˚C
- %/˚C
-%
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.
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