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LT253A Datasheet

GaAs Hall IC for Noncontact Swich(Unidirectional magnetic field-type)

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Hall IC
LT253A
LT253A
GaAs Hall IC for Noncontact Swich
(Unidirectional magnetic field-type)
s Features
s Outline Dimensions
¡Operation by small magnet due to high sensitivity Operating
2.7±0.3
(Unit : mm)
point<30mT
¡Combining a GaAs Hall device and an IC in a compact
package (2.9X1.5X1.1mm)
¡Wide operation temperature range obtained by GaAs Hall
Y
14
device (-20 to +125˚C)
¡Long life time due to noncontact-type
s Applications
¡FDD
¡HDD
¡Water meter
¡Car stereo
¡Microswitch, etc.
s Absolute Maximum Ratings
(Ta=25˚C)
SZ
23
X
4-R0.2
Hall device center line
X : +0.05±0.23mm against package center
Y : -0.05±0.1mm against package lead center between
No.2 and No.3 terminals
Z : 0.81±0.15mm from package surface
0.6 1.5±0.2 0.6
Terminal connections
REG
Hall
device
H
+
-
Parameter
Supply voltage
Output voltage
Output current
Power dissipation
Operating temperature
Storage temperature
Soldering temperature*1
Symbol
VCC
VOUT
IO
PD
Topr
Tstg
Tsol
Rating
18
18
5
100
-20 to +125
-55 to +150
260
Unit
V
V
mA
mW
˚C
˚C
˚C
1 : VCC
2 : VOUT
*No.3 terminal and the section of leads(both sides
of package in X directionÅajre connected with the
3 : Don't use.
4 : GND
terminal of internal IC. Be careful in connecting other circuits.
As for dimensions of tape-packaged products, refer to page 44 .
s Operating Explanation
*1 Soldering time : within 10 seconds
<Unidirectional magnetic field-type>
s Electrical Characteristics
Parameter
Operating magnetic flux density
Hysteresis breadth
Operating voltage
Supply current
Low level output voltage
Output leakage current
Operating point temperature drift
0 BRP BOP
+B
Magnetic flux density
Symbol
BOP
BRP
BH
VCC
ICC
VOL
IOH
BOP
VCC=16V
VOO=16V
RL=10k
Conditions
VCC=16V, B==<10mT
IO=4mA, B>=30mT
VCC=16V, B=<10mT, VOO=16V
VCC=16V, Ta=-5˚C to+60˚C
VCC=16V, Ta=-20˚C to+80˚C
MIN.
-
10
-
4.5
-
-
-
-
-
TYP.
18
16
2
-
-
-
-
2.0
2.5
(Ta=25˚C)
MAX.
30
-
5
16
10.5
0.4
10
4.5
8.0
Unit
mT
mT
mT
V
mA
V
µA
mT
mT
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

LT253A Datasheet

GaAs Hall IC for Noncontact Swich(Unidirectional magnetic field-type)

No Preview Available !

Hall IC
Fig. 1 Operating Magnetic Flux Density
vs. Supply Voltage
Ta=25˚C
24
20 BOP
16
12 BRP
8
4
0
0 4 8 12 16 20
Supply voltage VCC (V)
Fig. 3 Supply Current vs. Supply Voltage
10
B=<10mT
Ta=25˚C
8
6
4
2
0
0 4 8 12 16 20
Supply voltage VCC (V)
Fig. 5
0.5
0.4
Low Level Output Voltage vs.
Output Current
VCC=16V
B>=30mT
Ta=25˚C
0.3
0.2
0.1
0
0 12 34 5
Output current IO (mA)
LT253A
Fig. 2 Operating Magnetic Flux Density
vs. Ambient Temperature
VCC=16V
24
20 BOP
16
12 BRP
8
4
0
-40
0
40 80 120
Ambient temperature Ta (˚C)
Fig. 4 Supply Current vs. Ambient
Temperature
10
VCC=16V
B=<10mT
8
6
4
2
0
-40 0 40 80 120
Ambient temperature Ta (˚C)
Fig. 6 Low Level Output Voltage vs.
Ambient Temperature
0.5
VCC=16V
IO=4mA
0.4 B>=30mT
0.3
0.2
0.1
0
-40
0
40 80 120
Ambient temperature Ta (˚C)


Part Number LT253A
Description GaAs Hall IC for Noncontact Swich(Unidirectional magnetic field-type)
Maker Sharp Electrionic Components
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