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LT135A Datasheet

Hall Voltage 240mV GaAs Hall Device

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Hall Device
LT135A
LT135A
s Features
¡Small temperature coefficient of the Hall voltage
¡Good linearity of the Hall voltage
¡Small imbalanced voltage
¡Directly DC voltage applicable
Hall Voltage 240mV 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
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
*1 Soldering time : 10 seconds
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 voltage *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
VHO
RIN
ROUT
|VHO|
β
α
γ
Conditions
VC=6V, B=100mT
VC=6V, B=0mT
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
200
-15
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.
240
-
800
1 600
5
-0.03
0.2
2
(Ta=25˚C)
MAX.
280
15
950
1 900
Unit
mV
mV
- 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.


Sharp Electronic Components Datasheet

LT135A Datasheet

Hall Voltage 240mV GaAs Hall Device

No Preview Available !

Hall Device
Fig. 1 Hall Voltage vs. Ambient
Temperature
B=100mT
300
250 VC=6V
200
IC=6mA
150
100
50
0
-20 0
40 80 120
Ambient temperature Ta (˚C)
Fig. 3 Hall Voltage vs. Magnetic Flux
Density
1 600
1 400
1 200
VC=6V
Ta=25˚C
1 000
800
600
400
200
0
0 100 200 300 400 500 600
Magnetic flux density B (mT)
Fig. 5 Hall Voltage vs. Control Voltage
B=100mT
600 Ta=25˚C
500
400
300
200
100
0
0 2 4 6 8 10 12
Control voltage VC (V)
LT135A
Fig. 2 Input Resistance vs. Ambient
Temperature
2 000
1 600
B=0mT
IM=1mA
1 200
800
400
0
-20 0
40 80 120
Ambient temperature Ta (˚C)
Fig. 4 Hall Voltage vs. Control Current
600
B=100mT
Ta=25˚C
400
300
200
100
0
0 4 8 12
Control current IC (mA)
Fig. 6 Power Dissipation vs. Ambient
Temperature
200
160
120
80
40
0
0 40 80 120 160 200
Ambient temperature Ta (˚C)


Part Number LT135A
Description Hall Voltage 240mV GaAs Hall Device
Maker Sharp Electrionic Components
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LT135A Datasheet PDF






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