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Sharp Electronic Components Datasheet

LT1550W Datasheet

Full Color Dot Matrix LED Unit

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Full Color Dot Matrix LED Unit for Indoor Use LT1550W(Chip Type)
s Features
¡No. of dots : 16!32dots
¡Outline dimensions : 64!128mm
¡Dot size : 3.0!3.0mm
¡Dot pitch : 4.0mm
¡Radiation color : Blue+Yellow-green+Red(Full color)
¡Driving method : 1/16 duty dynamic drive
(Under development)
s Absolute Maximum Ratings
Parameter
Supply voltage for IC
Supply voltage for LED
Input voltage
Turn-on time
Operating temperature
Storage temperature
Power dissipation
Symbol
VCC
VLED
V1
tON
Topr
Tstg
P
Rating
-0.3 to +5.5
-0.3 to (+6.5)
-0.3 to VCC+0.3
1
-10 to +60
-20 to +70
62
(Ta=25˚C)
Unit
V
V
V
ms
˚C
˚C
W
s Optical Characteristics
Parameter
Symbol
Red
Luminance Yellow-green LV
Blue
Red
Peak emission wavelength Yellow-green λp
Blue
Red
Spectrum radiation bandwidth Yellow-green λ
Blue
(Ta=25˚C,VCC=5V,V(R, G)=5V,V(B)=8V)
TYP.
Unit
(100)
(150)
cd/m2
(70)
635
565 nm
430
35
30 nm
65
s Terminal Functions
Connector Symbol
Power
supply
(CN1)
V(R,G)
V(B)
VCC
GND
A0 to A3
RDATA
GDATA
BDATA
Function
Supply voltage for LED(Red,Yellow-green)+5V
Supply voltage for LED(Blue)+(+8V±10%)
Supply voltage for IC+5V
Ground
Address specification signal for row driver
Serial data input for each color(H:ON, L:OFF)
Input
signal
(CN2)
Latch signal of display data(H: Serial data is converted
LATCH to parallel data.L: Contents are latched.)
RENABLE Controls ON/OFF of each color of LED
GENABLE
BENABLE
(H: LED OFF)
Clock signal for data transmission in the shift-
CLOCK register.(L/H: serial data is shifted.)
GND
Ground for signal
A0 to A3 Buffered input signal
RDATA Input signal generated through 32-bit shift
GDATA
BDATA
register
Output
signal LATCH
Buffered input signal
(CN3)
RENABLE
GENABLE Buffered input signal
BENABLE
CLOCK Buffered input signal
GND
Ground for signal
Each signal is used as input signal for next unit.
* As for the terminal number, refer to the outline dimensions.
s Electrical Characteristics (Ta=25˚C,VCC=5V,V(R, G)=5V,V(B)=8V)
Parameter
Supply voltage for IC
Supply voltage for LED
IC current dissipation
Symbol
VCC
VLED
ICC
MIN
4.75
(5.75)
------
TYP
5.0
(6.0)
200
MAX
5.25
(6.25)
260
Unit
V
mA
Input voltage
VIH
VIL
3.5 ------ ------
------ ------ 1.5
V
V
Input current
IIH*3
IIL*4
------ ------ 0.1 µA
------ ------ 0.12 mA
Clock frequency
Frame frequency
fCLK
fFR
------ ------ 10 MHZ
70 250 1000 HZ
*1 Red, *2 Yellow-green,Blue, *3 VIH=5, *4 VIL=0V
s Timing Chart
tsu
CLOCK
R, G, B
DATA
R, G, B
DATA(OUT)
th
VD(n+1) data
td(C-L)
LATCH
tdD
R, G, B ENABLE
VD(n)data on
ADDRESS
(A0 to A3)
VD(n)
td(L-A)
td(E-A)
tWCLK
1 VD(n+2) data
tWL
td(L-C)
tWENA
OFF VD(n+1)data on
1/f ENA
VD(n+1)
td(A-E)
s Block Diagram
OUT
A0
A1
A2
A3
RDATA
GDATA
BDATA
LATCH
RENABLE
GENABLE
BENABLE
CLOCK
I/O part
331 473
HC367
IN
A0
A1
A2
A3
RDATA
GDATA
BDATA
LATCH
RENABLE
GENABLE
BENABLE
CLOCK
4 TO 16 DECODER
Nch FET DRIVER
16!16DOT!2
TRICHROMATIC
LED MATRIX
74 (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/)


Sharp Electronic Components Datasheet

LT1550W Datasheet

Full Color Dot Matrix LED Unit

No Preview Available !

15
HD0
128
+0
-0.5
512-t3(LED)
24
20
HD15
VD0
Data shift direction
VD31
LT1550W
110
(25)
13
VR3
VR2
CN3 1
(OUT)
10
VR1
4-M3
(Depth Min. 6)
13
CN2(IN)
1
1
CN1
Pin connection
CN1
(Power supply)
No. Name
1 V(B)
2 V(B)
3 V(R,G)
4 V(R,G)
5 VCC
6 GND
7 GND
8 GND
9 GND
10 GND
CN2
(Input signal)
No. Name
1 A0
2 A1
3 A2
4 A3
5 RDATA
6 GDATA
7 BDATA
8 LATCH
9 RENABLE
10 GENABLE
11 BENABLE
12 CLOCK
13 GND
CN3
(Output signal)
No. Name
1 A0
2 A1
3 A2
4 A3
5 RDATA
6 GDATA
7 BDATA
8 LATCH
9 RENABL
10 GENABL
11 BENABL
12 CLOCK
13 GND


Part Number LT1550W
Description Full Color Dot Matrix LED Unit
Maker Sharp Electrionic Components
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LT1550W Datasheet PDF






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