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PDF LT1451ED Data sheet ( Hoja de datos )
| Número de pieza | LT1451ED | |
| Descripción | Dot Matrix LED Unit for Indoor Use (Chip On Board Type) | |
| Fabricantes | Sharp Electrionic Components | |
| Logotipo |  |
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Dot Matrix LED Unit for Indoor Use LT1451ED(Chip On Board Type)
s Features
¡No. of dots : 16!16dots
¡Outline dimensions : 96!96mm
¡Dot size : ø5.0mm
¡Dot pitch : 6.0mm
¡Radiation color : Yellow-green+Red(dichromatic type)
¡Driving method : 1/16 duty dynamic drive
LT1451ED
s Absolute Maximum Ratings
Parameter
Supply voltage for IC
Supply voltage for LED
Input voltage
LED current dissipation
Turn-on time
Operating temperature
Storage temperature
Power dissipation
Symbol
VCC
VLED
VI
ILED
tON
Topr
Tstg
P
Rating
-0.3 to +6.0
-0.3 to +6.0
-0.3 to Vcc+0.3
1
-10 to +45
-20 to +70
13
(Ta=25˚C)
Unit
V
V
V
A
ms
˚C
˚C
W
s Optical Characteristics
Parameter
Symbol
Luminance
Red
Yellow-green
LV
Viewing angle
2θ1/2
Peak emission wavelength
Red
Yellow-green
λp
(VCC=5V,VLED=5V,Ta=25˚C)
TYP.
Unit
100 cd/m2
100
70 ˚
635
565
nm
s Terminal Functions
Connector
Power
supply
(CN1)
Symbol
VLED
VCC
GND1
GND2
A0 to A3
Function
Supply voltage for LED (+5V)
Supply voltage for IC (+5V)
Ground for IC
Ground for LED
Address specification signal for row driver
RDATA Serial data input for red (H=ON, L=OFF)
Input
signal
(CN2)
GDATA Serial data input for yellow-green (H=ON, L=OFF)
Latch signal of display data. H: Serial data is
LATCH converted to parallel data. L: Contents are latched.
ENABLE Controls ON/OFF of LED (H: LED OFF)
Clock signal for data transmission in the
CLOCK shift-register. (L¡H: serial data is shifted.)
GND1 Ground for signal
A0 to A3 Buffered input signal
RDATA
Input signal generated through 16-bit shift register
or buffer
Output
signal
(CN3)
GDATA
LATCH
Input signal generated through 16-bit shift register
or buffer
Buffered input signal
ENABLE Buffered input signal
CLOCK Buffered input signal
GND1 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
(VCC=5V,VLED=5V,Ta=25˚C)
Parameter
Supply voltage for IC
Symbol MIN. TYP. MAX. Unit
VCC 4.75 5.0 5.25 V
Supply voltage for LED
VLED
4.5 5.0
IC current dissipation*1 ICC ------ 25
LED current dissipation*1 ILED
------ 2.0
Input voltage
VIH 3.5 ------
VIL ------ ------
Input current
IIH ------ ------
IIL ------ ------
Clock frequency
fCLK ------ ------
Frame frequency
fFR 80 ------
*1 Under the condition that dichromatic all dots are lit.
5.25 V
50 mA
2.3 A
------ V
1.5 V
0.1 µA
0.12 mA
4 MHZ
625 HZ
s Timing Chart
tsu th
tWCLK
CLOCK
RDATA,
GDATA
RDATAout
GDATAout
LATCH
ENABLE
ADDRESS
(A0 to A3)
(n+1)th line's data
t dD
td(C-L)
tWL
(n+2)th line's data
td(L-C)
n th line's data ON
td(E-L)
n th line
td(E-A)
td(L-A)
OFF
(n+1)th line's data ON
td(L-E)
(n+1)th line
td(A-E)
s Block Diagram
OFF
t WENA
CN2
A0
A1
A2
A3
RDATA
GDATA
LATCH
ENABLE
CLK
DECODER
DRIVER
CN3
A0
A1
A2
A3
RDATA
GDATA
LATCH
ENABLE
CLK
LED
MATRIX
VOL.1
G.ADJ
VOL.2
R.ADJ
Mono-Multi
OSC
Vcc
1K 47K
HC367
Input circuit
(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
16devices 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/)
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet LT1451ED.PDF ] | |
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