Hall IC
LT280A
LT280A
2.9鹵0.2
1.9
GaAs Hall IC for Noncontact Switch
(Unidirectional magnetic field-type)
(Unit
:
mm)
s
Features
s
Outline Dimensions
隆Suitable
for portable equipment due to 3V operation
2.7鹵0.3
隆Operation
by small magnet due to high sensitivity
Y
Operating point<30mT
1
4
隆Combining
a GaAs Hall device and an IC in a compact
package (2.9X1.5X1.1mm)
隆Wide
operation temperature range obtained by GaAs Hall
device (-20 to +125藲C)
2
3
隆Long
life time due to noncontact-type
0.4
0.4
0.6
0.85
S
0.95
Z
X
4-R0.2
Hall device center line
X : +0.05鹵0.23mm against package center
Y : -0.05鹵0.1mm against package lead center between
No.2 and No.3 terminals
Z : 0.81鹵0.15mm from package surface
Terminal connections
1.5鹵0.2
0.6
0.6
REG
Hall
+
device
H
0.3
+0.2
1.1
-0.1
(0to0.15)
s
Applications
隆FDD
隆HDD
隆Water
meter
隆Car
stereo
隆Microswitch,
etc.
0.16
+0.10
-0.06
0.8
0.4
-
*No.3 terminal and the section of lead (both sides
of package in X direction) are connected with the
terminal of internal IC. Be careful in connecting other circuits.
1 : V
CC
2 : V
OUT
3 : Don't use.
4 : GND
s
Absolute Maximum Ratings
Parameter
Supply voltage
Output voltage
Output current
Power dissipation
Operating temperature
Storage temperature
Soldering temperature
*1
*1 Soldering time : within 10 second
s
(T
a
=25藲C)
Unit
V
V
mA
mW
藲C
藲C
藲C
As for dimensions of tape-packaged products, refer to page 44 .
Symbol
Rating
V
CC
6.5
V
OUT
6.5
I
O
5
P
D
100
T
opr
-20 to +125
T
stg
-55 to +150
T
sol
260
s
Operating Explanation
Output voltage
<Unidirectional magnetic field-type>
0
B
RP
B
OP
+B
Magnetic flux density
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
Symbol
B
OP
B
RP
B
H
V
CC
I
CC
V
OL
I
OH
鈭咮
OP
Condition
V
CC
=3V
V
OO
=3V
R
L
=4.7k鈩?/div>
V
CC
=3V, B=<10mT
I
O
=4mA, B>=30mT
V
CC
=3V, V
OO
=3V, B=<10mT
V
CC
=3V, T
a
=-20藲C to +80藲C
MIN.
11.0
10.0
1.0
2.7
-
-
-
-
TYP.
-
-
-
-
3.5
-
-
2.5
MAX.
30.0
29.0
6.0
6.0
7.0
0.4
10
8.0
(T
a
=25藲C)
Unit
mT
mT
mT
V
mA
V
碌A(chǔ)
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.
2.9鹵0.2
1
2
