LT1461ED Sharp Electrionic Components, LT1461ED Datasheet
LT1461ED
Manufacturer Part Number
LT1461ED
Description
Dot Matrix LED Unit for Indoor Use (Chip On Board Type)
Manufacturer
Sharp Electrionic Components
Datasheet
1.LT1461ED.pdf
(2 pages)
(Notice)
(Internet) ¡Data for sharp's optoelectronic/power device is provided for internet.(Address http://www.sharp.co.jp/ecg/)
Dot Matrix LED Unit for Indoor Use LT1461ED(Chip On Board Type)
¡No. of dots : 16 16dots
¡Outline dimensions : 64 64mm
¡Dot size : ø2.8mm
¡Dot pitch : 4.0mm
¡Radiation color : Yellow-green+Red(dichromatic type)
¡Driving method : 1/16 duty dynamic drive
Connector
Each signal is used as input signal for next unit.
* As for the terminal number, refer to the outline dimensions.
Peak emission wavelength
Output
Power
supply
(CN1)
(CN2)
(CN3)
signal
signal
Input
Supply voltage for IC
Supply voltage for LED
Input voltage
Turn-on time
Operating temperature
Storage temperature
Power dissipation
Features
Absolute Maximum Ratings
Optical Characteristics
Terminal Functions
Luminance
Viewing angle
¡In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP
Parameter
Parameter
devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
V
V
GND1
GND2
A0 to A3
RDATA
GDATA
LATCH
ENABLE
CLOCK
GND1
A0 to A3
RDATA
GDATA
LATCH
ENABLE
CLOCK
GND1
Symbol
LED
CC
Yellow-green
Yellow-green
Red
Red
Supply voltage for LED (+5V)
Supply voltage for IC (+5V)
Ground for IC
Ground for LED
Address specification signal for row driver
Serial data input for red (H=ON, L=OFF)
Serial data input for yellow-green (H=ON, L=OFF)
Latch signal of display data. L: Contents are latched.
Controls ON/OFF 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 16-bit shift register
or buffer
Input signal generated through 16-bit shift register
or buffer
Buffered input signal
Buffered input signal
Buffered input signal
Ground for signal. (Connected to ground for IC)
Symbol
2
L
Symbol
1
V
p
V
V
V
t
T
T
P
ON
/
2
opr
stg
CC
LED
I
Function
-0.3 to +5.5
-10 to +45
-20 to +70
TYP
Rating
(V
635
565
90
90
80
6.0
6.0
13
CC
1
=5V,V
LED
=5V,Ta=25˚C)
(Ta=25˚C)
Unit
ms
cd/m
˚C
˚C
W
Unit
V
V
V
nm
˚
2
*1 Under the condition that dichromatic all dots are lit.
Supply voltage for IC
Supply voltage for LED
IC current dissipation
LED current dissipation
Input voltage
Input current
Clock frequency
Frame frequency
Electrical Characteristics
Timing Chart
Block Diagram
ENABLE
RDATA
RDATAout
GDATAout
GDATA
LATCH
ADDRESS
(A0~A3)
Parameter
ENABLE
LATCH
CLOCK
RDATA
GDATA
CN2
CLK
A0
A1
A2
A3
tsu
HD(n)DATA ON
HD(n+1)DATA
tdD
HD(n)
th
td(C-L)
td(E-L)
td(E-A)
td(L-A)
*1
*1
Vcc
VR1
G.ADJ
tWL
Symbol
Input circuit
Mono-Multi
OFF
Decoder
V
V
I
I
V
V
I
I
f
f
Driver
Matrix
OSC
LED
CC
LED
IH
IL
CLK
FR
HC367
CC
LED
IH
IL
td(L-E)
47K
td(A-E)
td(L-C)
HD(n+1)DATA ON
VR2
G.ADJ
t
LT1461ED
WCLK
HD(n+1)
HD(n+2)DATA
MIN.
4.75
------
------
------
------
------
------
------
3.5
80
tEN
(V
CC
=5V,V
TYP.
------
------
------
------
------
------
5.0
5.0
1.8
50
LED
MAX.
5.25
5.25
0.12
=5V,Ta=25˚C)
------
------
------
625
1.5
0.1
tOFF
CN3
A0
A1
A2
A3
RDATA
GDATA
CLK
LATCH
ENABLE
4
MH
Unit
mA
mA
H
V
V
A
V
V
A
Z
Z
15
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LT1461ED Summary of contents
Page 1
... Dot Matrix LED Unit for Indoor Use LT1461ED(Chip On Board Type) Features ¡No. of dots : 16 16dots ¡Outline dimensions : 64 64mm ¡Dot size : ø2.8mm ¡Dot pitch : 4.0mm ¡Radiation color : Yellow-green+Red(dichromatic type) ¡Driving method : 1/16 duty dynamic drive Absolute Maximum Ratings Parameter Symbol Supply voltage for IC ...
Page 2
... P4.0X15=60.0 VD0 19 MAX 7 MIN CN3 10.5 4 28.0 0.1 62.5 LT1461ED 0.2 HD0 HD15 256-ø2.8 VD15 20 MAX 4-M3.0 8 MIN (Depth 6.0) 6.6 CN2 10 (Input signal) 1 CN1 VR2 VR1 16.5 4.5 28.0 0.1 36.0 1 30.0 Pin connection CN1 (Power supply LED GND1 4 GND2 CN2 CN3 (Output signal ...