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參數(shù)資料
| 型號(hào)： | LT280A |
| 廠商： | Sharp Corporation |
| 英文描述： | GaAs Hall IC for Noncontact Switch(Unidirectional magnetic field-type) |
| 中文描述： | 砷化鎵霍爾IC（單向磁場(chǎng)型的非接觸式開(kāi)關(guān)） |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大?。?/td> | 23K |
| 代理商： | LT280A |
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.
Hall IC
LT280A
I
Features
Suitable for portable equipment due to 3V operation
Operation by small magnet due to high sensitivity
Operating point<30mT
Combining a GaAs Hall device and an IC in a compact
package (2.9
X
1.5
X
1.1mm)
Wide operation temperature range obtained by GaAs Hall
device (-20 to +125C)
Long life time due to noncontact-type
I
Outline Dimensions
I
Operating Explanation
(Unit
:
mm
)
LT280A
*1 Soldering time : within 10 second
s
I
Absolute Maximum Ratings
Parameter
(T
a
=25C)
Supply voltage
Output voltage
Output current
Power dissipation
Operating temperature
Storage temperature
Soldering temperature
*1
Symbol
V
CC
V
OUT
I
O
P
D
T
opr
T
stg
T
sol
Rating
6.5
6.5
5
100
-20 to +125
-55 to +150
260
Unit
V
V
mA
mW
C
C
C
I
Electrical Characteristics
Parameter
(T
a
=25C)
Unit
mT
mT
mT
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
B
OP
Condition
V
CC
=3V
V
OO
=3V
R
L
=4.7k
V
CC
=3V, B=<10mT
I
O
=4mA, B>=30mT
V
CC
=3V, V
OO
=3V, B=<10mT
V
CC
=3V, T
a
=-20C to +80C
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
V
mA
V
μ
A
mT
+
-
H
REG
Terminal connections
Hall
device
2.7±0.3
1.5±0.2
1
2
4
3
0
0
0
0
1
2
0
0
2
4-R0.2
S
Z
0.6
0.6
0
0
(
0
+
-
1
+
-
1 : V
CC
2 : V
3 : Don't use.
4 : GND
Y
X
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
*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.
B
RP
0
B
OP
+B
Magnetic flux density
<Unidirectional magnetic field-type>
O
As for dimensions of tape-packaged products, refer to page 44 .
GaAs Hall IC for Noncontact Switch
(Unidirectional magnetic field-type)
I
Applications
FDD
HDD
Water meter
Car stereo
Microswitch, etc.
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