Sharp LT260A Datasheet
Hall IC
LT260A
■ Features
¡ Operation by small magnet due to high sensitivity
Operating point<10mT
¡Combining a GaAs Hall device and an IC in a compact
package (2.9X1.5X1.1mm)
¡Wide operation temperature range obtained by GaAs Hall
device (-20 to +125˚C)
¡Long life time due to noncontact-type
■ Applications
¡FDD
¡HDD
¡Water meter
¡Car stereo
¡Microswitch,etc.
■ Absolute Maximum Ratings
Supply voltage
Parameter
Output voltage
Output current
Power dissipation
Operating temperature
Storage temperature
Soldering temperature
*1 Soldering time : within 10 seconds
*1
Symbol
V
V
OUT
I
P
T
T
T
CC
O
D
opr
stg
sol
(Ta=25˚C)
Rating
18
18
5
100
-20 to +125
-55 to +150
260
Unit
V
V
mA
mW
˚C
˚C
˚C
LT260A
GaAs Hall IC for Noncontact Switch
(Alternating magnetic field-type*)
*Zero-cross is not warranted.
■ Outline Dimensions
2.7±0.3
0.40.4
1.9
2.9±0.2
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
+0.10
-0.06
0.16
*No.3 terminal and the section of leads(both sides
of package in X directionÅjare connected with the
terminal of internal IC. Be careful in connecting other circuits.
Y
1
2
1.5±0.2
0.6 0.6
0.6
4
0.850.95
3
X
0.4
4-R0.2
Terminal connections
0.30.8
Hall
device
+0.2
-0.1
1.1
(0to0.15)
As for dimensions of tape-packaged products, refer to page 44 .
■ Operating Explanation
<Alternating magnetic field-type>
Output voltage
(Unit : mm)
SZ
REG
+
H
-
1 : V
CC
2 : V
OUT
3 : Don't use.
4 : GND
2.9±0.2
■ Electrical Characteristics
Parameter
Operating magnetic flux density
Hysteresis breadth
Operating voltage
Supply current
Low level output voltage
Output leakage current
Operating point temperature drift
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.
Symbol
B
OP
B
RP
B
H
V
CC
I
CC
V
OL
I
OH
∆B
OP
Conditions
V
CC
=16V
V
OO
=16V
R
L
=10kΩ
V
CC
=16V, B=<-10mT
I
O
=4mA, B>=10mT
V
CC
=16V, B=<10mT, VOO=16V
V
CC
=16V, Ta=-20˚C to +80˚C
BRP0B
OP
Magnetic flux density
MIN.
-
-10
-
4.5
-
-
-
-6
+B
(Ta=25˚C)
TYP.
-
-
-
-
-
-
-
-
MAX.
10.5
10
16
0.4
10
Unit
mT
mT
mT
5
V
mA
V
µA
mT
6
Hall IC
LT260A
Fig. 1 Operating Magnetic Flux Density
vs. Supply Voltage
Ta=25˚C
12
8
4
0
B
BRP
OP
-4
-8
-12
Operating magnetic flux density B (mT)
016812420
Supply voltage VCC (V)
Fig. 3 Supply Current vs. Supply Voltage
10
B=<-10mT
T
a=25˚C
8
6
4
Fig. 2 Operating Magnetic Flux Density
vs. Ambient Temperature
VCC=16V
12
(mT)
8
4
0
B
OP
B
RP
-4
-8
-12
Operating magnetic flux density B
-40 12040 800
Ambient temperature Ta (˚C)
Fig. 4 Supply Current vs. Ambient
Temperature
10
VCC=16V
B=<-10mT
8
(mA)
CC
6
4
Supply current ICC (mA)
2
0
0164 8 12 20
Supply voltage VCC (V)
Fig. 5 Low Level Output Voltage vs.
Output Current
0.5
VCC=16V
B>=10mT
(V)
0.4
T
a
OL
Low level output voltage V
=25˚C
0.3
0.2
0.1
0
04123 5
Output current IO (mA)
Supply current I
2
0
-40 12004080
Ambient temperature Ta (˚C)
Fig. 6 Low Level Output Voltage vs.
Ambient Temperature
0.5
VCC=16V
O
=4mA
I
(V)
0.4
B>=10mT
OL
0.3
0.2
0.1
Low level output voltage V
0
Ambient temperature Ta (˚C)
80-40 0 40 120
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