LT1455M [SHARP]
Dot Matrix LED Unit for Indoor/Outdoor Use(Lamp Type); LED点阵单元的室内/室外（灯泡型）
| 型号： | LT1455M |
| 厂家： | 
SHARP ELECTRIONIC COMPONENTS |
| 描述： | Dot Matrix LED Unit for Indoor/Outdoor Use(Lamp Type) |
| 文件： | 总2页 (文件大小：217K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Dot Matrix LED Unit for Indoor/Outdoor Use LT1455M/LT1456M(Lamp Type)
■ Features
¡No. of dots : 16✕16dots
¡Outline dimensions : 96.0✕96.0mm
¡Dot size : ø5.0mm
¡Dot pitch : 6.0mm
¡
Radiation color : Yellow-green+Red(High-luminosity)dichromatic type
¡Driving method : 1/8 duty dynamic drive
LT1455M
LT1456M
■ Absolute Maximum Ratings
(Ta=25˚C)
■ Electrical Characteristics
(VCC=5V,VLED=5V,Ta=25˚C)
Parameter
Symbol
VCC
VLED
VI
Rating
-0.3 to +6.0
-0.3 to +5.5
-0.3 to Vcc+0.3
1
-10 to +65
-20 to +85
22
Unit
V
V
V
ms
˚C
˚C
W
Parameter
Symbol MIN. TYP. MAX. Unit
Supply voltage for IC
Supply voltage for LED
Input voltage
Supply voltage for IC
Supply voltage for LED
IC current dissipation
LED current dissipation*1
VCC
VLED
ICC
ILED
VIL
VIH
IIL
4.75
4.5
------
------
3.5
5.0
5.0
15
3.5
------
------
------
------
------
200
5.25
5.25
40
3.9
------
V
V
mA
A
V
Turn-on time
tON
Operating temperature
Storage temperature
Power dissipation
Topr
Tstg
P
Signal input voltage
Signal input current
------
------
------
------
125
1.5
0.1
0.12
3.0
V
µA
mA
MHz
Hz
IIH
fCLK
fFR
Clock frequency
Frame frequency
*1 Under the condition that dichromatic all dots are lit.
■ Optical Characteristics
(VCC=5V,VLED=5V,Ta=25˚C)
400
Parameter
Viewing angle
Symbol
2θ1/2
TYP.
50/40
660
Unit
˚
Red
Yellow-green
■ Timing Chart
Peak emission wavelength
nm
λp
565
Each figure in the table is the one of LT1455M/LT1456M in sequence.
tsu
t WCLK
th
■ Luminance
CLOCK
Luminance is classified into 2 ranks shown below.
RDATA
GDATA
(VCC=5V,VLED=5V,Ta=25˚C)
V0(n+1) data
tdD
VD(n+2) data
RDATAout
GDATAout
td(C-L)
td(L-C)
tWL
Rank
Radiation color
Unit
1
2
LATCH
Red
Yellow-green
450/700
330/700
550/1000
450/1000
2
t=1/f osc
cd/m
Internal
ENABLE
ON
OFF
ON
ON
ON
ON
ON
ON
OFF
Each figure in the table is the one of LT1455M/LT1456M in sequence.
RENABLE
GENABLE
VD(n) data ON
td(E-L)
VD(n+1) data ON
td(L-E)
tWENA
■ Terminal Functions
VD(n)
VD(n+1)
td(A-E)
ADDRESS
(A0~A2)
Symbol
VLED
VCC
GND1
GND2
Connector
Function
Supply voltage for LED(+5V)
Supply voltage for IC(+5V)
Ground for IC
td(E-A)
Power supply
(CN1)
■ Block Diagram
Ground for LED
A0 to A2 Address specification signal for column driver
RENABLE Controls ON/OFF of each color of LED
GENABLE (H: LED OFF)
Luminance adjustment circuit
VR1 VR2
Input/output circuit
473 331
HC367
Serial data input for red(H=ON, L=OFF)
RDATA
Shift from up to down in the unit
HD16/HD31/HD0/HD15
OSC
MONO-MULTI
HC123
Serial data input for yellow-green(H=ON, L=OFF)
GDATA Shift from up to down in the unit
Input signal
(CN2)
OUT
A0
A1
A2
RENABLE
RDATA
GDATA
LATCH
A0
A1
A2
RENABLE
RDATA
GDATA
LATCH
HD16/HD31/HD0/HD15
Latch signal of display data H: Serial data is converted
to parallel data.L: Contents are latched.
GENABLE
CLOCK
GENABLE
CLOCK
LATCH
3 TO 8 DECODER
Clock signal for data transmission in the shift-
register.(L/H: serial data is shifted.)
CLOCK
GND1
PNP DRIVER
Ground for signal (Connected to ground for IC)
VD0
VD15
A0 to A2 Buffered input signal
RENABLE Buffered input signal
HD16
HD0
16✕16 DOT
RDATA
Input signal generated through 32-bit shift register
LED
Output signal
(CN3)
HD31
HD16
HD15
HD0
GDATA
LATCH
GENABLE Buffered input signal
CLOCK
GND1
Input signal generated through 32-bit shift register
Buffered input signal
DICHROMATIC
MATRIX
Buffered input signal
Ground for signal (Connected to ground for IC)
HD31
HD15
Each signal is used as input signal for next unit.
* As for the terminal number, refer to the outline dimensions
¡
In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP
66 (Notice)
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/)
8
95.7±3
(256-ø5.0)
(P6.0✕1590.0)
HD0
HD16
HD15
HD31
VD0
VD15
Pin connection
CN1(Power supply)
1
2
3
4
VLED
VCC
GND1
GND2
95.5
78.0
(5.0)
4-M3(Depth6MIN)
(4.0)
CN2(Input signal)
CN3(Output signal)
A0
A1
A2
RENABLE
RDATA
GDATA
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
A0
A1
A2
RENABLE
RDATA
CN3 CN2
10
10
GDATA
LATCH
GENABLE
CLOCK
GND1
LATCH
1
1
4
GENABLE
CLOCK
GND1
1
CN1
VR1
VR2
(26.0)
LT1455M/LT1456M
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