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參數(shù)資料
| 型號： | LT1541MN |
| 廠商： | Sharp Corporation |
| 英文描述： | Dot Matrix LED Unit for Outdoor Use(Lamp Type,Water-proof Type) |
| 中文描述： | 點陣LED單元（燈型，防水型戶外使用） |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 581K |
| 代理商： | LT1541MN |
(Notice)
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 specification sheets before using any SHARP device.
(Internet)
Data for sharp's optoelectronic/power device is provided for internet.(Address http://www.sharp.co.jp/ecg/)
ON
ON
ON
OFF
V
D
(n+1) data
V
D
(n+2) data
td(C-L)
td(L-C)
td
D
t=1/fosc
t
WL
V
D
(n) data ON
td(E-A)
t
SU
th
t
WCLK
td(A-E)
td(A-L)
Internal
ENABLE
t
WKNA
CLOCK
RDATA
RDATA out
LATCH
ADDRESS
(A0 to A2)
V
D
(n+1) data ON
V
D
(n+1)
V
D
(n)
OFF
ON
ON
ON
ON
RENABLE
GENABLE
171
I
Absolute Maximum Ratings
Parameter
I
Electrical Characteristics
I
Timing Chart
I
Block Diagram
Dot Matrix LED Unit for Outdoor Use LT1541MN(Lamp Type,Water-proof Type)
I
Features
No. of dots : 16
16dots
Outline dimensions : 240
240mm
Dot size : 13.0
13.0mm(Using oval lamp)
Dot pitch : 14.9mm
Radiation color : Yellow-green+Red(High-luminosity)dichromatic type
Driving method : 1/8 duty dynamic drive
I
Optical Characteristics
I
Terminal Functions
Symbol
V
LED
V
cc
GND1
GND2
A0 to A2
V
CC
V
LED
V
1
t
ON
T
opr
T
stg
P
-0.3 to +6.0
-0.3 to +8.0
-0.3 to V
CC
+0.3
1
-20 to +75
-25 to +100
59
Supply voltage for IC
Supply voltage for LED
Input voltage
Turn-on time
Operating temperature
Storage temperature
Power dissipation
Symbol
Rating
V
V
V
ms
C
C
W
Unit
(Ta=25C)
V
CC
V
LED
I
CC
I
LED
V
IH
V
IL
I
IH
I
IL
f
CLK
f
FR
4.75
7.0
------
------
3.5
------
------
------
------
250
5.0
7.5
200
5.5
------
------
------
------
------
400
5.25
7.75
500
7.0
------
1.5
0.1
0.12
10.0
3 000
Supply voltage for IC
Supply voltage for LED
IC current dissipation
LED current dissipation
*1
Input voltage
Input current
Clock frequency
Frame frequency
*1 Under the condition that dichromatic all dots are lit.
Symbol
Parameter
V
V
mA
A
V
V
μ
A
mA
MH
Z
H
Z
Unit
TYP.
MIN.
MAX.
(V
CC
=5V,V
LED
=7.5V,Ta=25C)
Parameter
TYP.
70
Unit
Symbol
2
θ
1
/
2
λ
p
Viewing angle
Peak emission wavelength
nm
Red
Yellow-green
Horizontal
660
565
(V
CC
=5V,V
LED
=7.5V,Ta=25C)
RDATA
GDATA
LATCH
RENABLE
GENABLE
CLOCK
GND1
A0 to A2
RDATA
GDATA
LATCH
RENABLE
GENABLE
CLOCK
GND1
Function
Connector
Power
supply
(CN1)
Input
signal
(CN2)
Output
signal
(CN3)
Each signal is used as input signal for next unit.
* As for the terminal number, refer to the outline dimensions.
Supply voltage for LED(+7.5V)
Supply voltage for IC(+5V)
Ground for IC
Ground for LED
Address specification signal for column
driver
Serial data input for each color(H:ON, L:OFF)
Shift from up to down in the unit
H
D16
/
H
D31
/
H
D0
/
H
D15
Latch signal of display data H: Serial data is converted to
parallel data. L: Contents are latched.
LATCH signal is set up after switching address(A0 to A2)
Controls ON/OFF of each color of LED
(H: LED OFF)
Clock signal for data transmission in the shift-
register.(L
/
H: serial data is shifted.)
Ground for signal(Connected to ground for IC)
Buffered input signal
Input signal generated through 32-bit shift register
Buffered input signal
Buffered input signal
Buffered input signal
Ground for signal(Connected to ground for IC)
MONO-MULTI
A0
A1
A2
Luminance adjustment circuit
GADJ
A0
A1
A2
RENABLE
RADJ
H
H
D31
D0
H
H
D31
D0
H
D16
H
D16
H
D15
H
D15
Dot matrix LED
GATE
SELECTOR
OUT
IN
OSC
16
16
PNP
3 to 8 DECODER
DRIVER
3
3
3
Input/output circuit
331
HC367
473
LT1541MN
I
Luminance
Luminance is classified into 2 ranks shown below.
Rank
Unit
cd/m
2
Radiation color
Red
Yellow-green
1
1 300
1 000
2
1 690
1 300
(V
CC
=5V,V
LED
=7.5V,Ta=25C)
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