SHARP LT1474M

Dot Matrix LED Unit for Outdoor Use LT1474M(Lamp Type,Water-proof Type)
■ Features
¡No. of dots : 16✕16dots
¡Outline dimensions : 320✕320mm
¡Dot size : 18✕18mm(Using oval lamp)
¡Dot pitch : 20.0mm
¡Radiation color : Yellow-green+Red(High-luminosity)dichromatic type
¡Driving method : 1/16 duty dynamic drive
LT1474M
■ Absolute Maximum Ratings
Parameter
Supply voltage for IC
Supply voltage for LED
Input voltage*1
Turn-on time
Operating temperature
Storage temperature
Power dissipation
*1 VI<Vcc at Vcc≤5
Symbol
VCC
VLED
V1
tON
Topr
Tstg
P
■ Optical Characteristics
Parameter
Red
Luminance
Yellow-green
Viewing angle[Horizontal(Red/Yellow-green)]
Red
Peak emission wavelength
Yellow-green
Symbol
Lv
2θ1/2
λp
(Ta=25˚C)
Rating
-0.3 to +6.0
-0.3 to +9.5
-0.3 to VCC+0.3
1
-20 to +75
-25 to +100
176
■ Electrical Characteristics
(VCC=5V,VLED=9V,Ta=25˚C)
Parameter
Supply voltage for IC
Supply voltage for LED
IC current dissipation*1
LED current dissipation*1
Symbol
MIN. TYP. MAX. Unit
4.75
LCC
5.0
5.25
V
8.75
9.0
VLED
9.25
V
-----500
750
ICC
mA
-----12
18
ILED
A
3.5
----------VIH
V
Input voltage
----------1.5
VIL
V
----------0.1
I
IH
µA
Input current
----------0.12
IIL
mA
Clock frequency
----------10
fCLK
MHZ
*1 Under the condition that dichromatic all dots are lit.
Unit
V
V
V
ms
˚C
˚C
W
■ Timing Chart
(VCC=5V,VLED=9V,Ta=25˚C)
TYP.
1 900
1 500
60/70
660
565
tsu
Unit
th
t WCLK
CLOCK
cd/m
2
RDATA
GDATA
˚
VD(n+1) data
RDATA out
GDATA out
nm
VD(n+2) data
td(C-L)
tdD
td(L-C)
t WL
LATCH
RENABLE
GENABLE
■ Terminal Functions
VD(n+1) data ON
td(A-E)
t WENA
VD(n+1)
VD(n)
ADDRESS
(A0 to A3)
td(A-L)
■ Block Diagram
IN
OUT
A0
A1
A2
A3
RDATA
GDATA
LATCH
GENABLE
CLOCK
GND1
RENABLE
NC
A0
A1
A2
A3
RDATA
GDATA
LATCH
GENABLE
CLOCK
GND1
RENABLE
NC
PNP DRIVER
Luminance adjustment circuit
RADJ
Luminance adjustment circuit
RADJ
VD8
8BIT SHIFT-REGISTER
LATCH AND DRIVER
VD15
VD7
8BIT SHIFT-REGISTER
LATCH AND DRIVER
VD8
VD0
VD15
VD8
VD7
VD0
8BIT SHIFT-REGISTER
LATCH AND DRIVER
8BIT SHIFT-REGISTER
LATCH AND DRIVER
DATASELECTOR
VD15
8BIT SHIFT-REGISTER
LATCH AND DRIVER
VD15
VD7
8BIT SHIFT-REGISTER
LATCH AND DRIVER
VD7
8BIT SHIFT-REGISTER
LATCH AND DRIVER
8BIT SHIFT-REGISTER
LATCH AND DRIVER
✕2
VD7
✕2
8BIT SHIFT-REGISTER
LATCH AND DRIVER
GADJ
Luminance adjustment circuit
VD15
VD15
✕2
✕2
VD15
8BIT SHIFT-REGISTER
LATCH AND DRIVER
8BIT SHIFT-REGISTER
LATCH AND DRIVER
✕2
VD15
VD7
VD7
VD0
8BIT SHIFT-REGISTER
LATCH AND DRIVER
VD8
VD7
✕2
VD8
8BIT SHIFT-REGISTER
LATCH AND DRIVER
8BIT SHIFT-REGISTER
LATCH AND DRIVER
VD8
✕2
VD0
8BIT SHIFT-REGISTER
LATCH AND DRIVER
VD8
VD0
16✕16 DOT
DICHROMATIC
LEDMATRIX
VD0
Ground for signal
GND1
A0 to A3 Buffered input signal
Input signal generated through 16-bit shift
RDATA
register or buffer
Input signal generated through 16-bit shift
Output GDATA register or buffer
signal
LATCH Buffered input signal
(CN3)
RENABLE Buffered input signal
GENABLE
CLOCK Buffered input signal
Ground for signal(Connected to ground for IC)
GND1
Each signal is used as input signal for next unit.
* As for the terminal number, refer to the outline dimensions.
2TO 4DECODER
GATE
VD8
Input
signal
(CN2)
Function
Supply voltage for LED(+9V)
Supply voltage for IC(+5V)
Ground for IC
Ground for LED
Address specification signal for row driver
Serial data input for red
RDATA
(H=ON, L=OFF)
Serial data input for yellow-green
GDATA
(H=ON, L=OFF)
LATCH Latch signal of display data
RENABLE Controls ON/OFF of LED
GENABLE (H: LED OFF)
Clock signal for data transmission in the shiftCLOCK register.(L/H: serial data is shifted.)
VD0
Power
supply
(CN1)
Symbol
VLED
VCC
GND1
GND2
A0 to A3
VD0
Connector
VD(n) data ON
td(E-A)
8BIT SHIFT-REGISTER
LATCH AND DRIVER
✕2
GADJ
Luminance adjustment circuit
¡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/)
(Notice)
173
Dot Matrix LED Unit
Outline Dimensions(Unit:mm)
13
239.2
(14.9✕15=223.5)
13✕13
11
18
(16.6)
Height 11MAX
(Except CN1 to 3)
(60.75)
320
14
12
(P19.95✕15=299.25)
18
HD0
HD16
HD15
320
(P19.95✕15=299.25)
(206)
Data shift direction
120
119.6
14.9✕15=223.5
Data shift direction
HD0
Height Max. 20
HD31
VD15
VD0
HD15
VD15
VD0
Pin connection
Data shift direction
CN1:(Power supply)
Positioning pin
139.65
119.7
39.9
39.9
Name
8-ø7concave
Water-proof rubber
ø7
LT1541MN *1
*2
*1
LT1545M
*2
LT6E26TP
LT6U26TP
ø5 Yellow-green
ø5 Red
(10)
GADJ
GADJ
RADJ
12
(12.5)
(27.5)
Pin connection
CN1:(Power supply)
1
2
3
4
5
6
12
CN12
RADJ
(25)
A0
A1
A2
RENABLE
RDATA
GDATA
LATCH
GENABLE
CLOCK
GND1
140.75
Name
NO
1
A0
2
A1
3
A2
RENABLE 4
5
RDATA
6
GDATA
7
LATCH
GENABLE 8
CLOCK
9
10
GND1
100.85
(57.4)
1.1
(27.5)
(12.5)
NO
1
2
3
4
5
6
7
8
9
10
(50)
119.6
139.65
119.7
14-ø4.2hole
1
CN3
1
CN2
CN1
1
2
3
4
5
6
7
8
9
10
11
12
ø6.5
(145)
4
(3.96✕5= 19.8)
(45)
7
8
9
10
11
12
VLED
VLED
VLED
VLED
VLED
VCC
CN2:(Input signal)
50
1
1 RADJ
Lamp position in a dot(For all 256 pcs.)
98.65
(57.4)
(50)
CN2
10
Red LED✕3
Yellow-green LED✕6
Name
VLED
VLED
Vcc
GND1
GND2
GND2
CN2:(Input signal) CN3:(Output signal)
80
(25) (25)
CN3
10 GADJ CN1
6 1
(10)
(9)
(2.5X9=22.5)
119.6
217
(159)
12-Insert nut(M3)
(Depth 6MIN)
NO
1
2
3
4
5
6
138.55
(206)
217
190
(177)
60
A0
A1
A2
A3
RDATA
GDATA
LATCH
GENABLE
CLOCK
GND1
RENABLE
NC
GND1
GND2
GND2
GND2
GND2
GND2
CN3:Output signal)
1
2
3
4
5
6
7
8
9
10
11
12
A0
A1
A2
A3
RDATA
GDATA
LATCH
GENABLE
CLOCK
GND1
RENABLE
NC
(5.8)
(1.2)
Water-proof ring(3✕3mm)
4-concave(Depth7)
(230)
LT1541MN/LT1545M
15
LT1474M
512-❏3(LED)
128
24
20
+0
-0.5
16
512-❏3 chipLED
192
13.2
+0
-0.5
8.2
HD0
96
64 +0
-0.5
+0
-0.5
HD0
HD15
VD0
HD15
VD0
VD31
Data shift direction
4-M3
(Depth Min. 6)
110
(25)
VD31
Data shift direction
76
20
8-N3
76
Pin connection
LT1550W
CN2(IN)
1
1
CN1
Name
V(B)
V(B)
V(R,G)
V(R,G)
VCC
GND
GND
GND
GND
GND
(10) (10)
No.
1
2
3
4
5
6
7
8
9
10
VR3(B)
CN3
CUT VR2(GREEN)
13
VR1(RED)
1
CN1
(15) 10
1
CN2
IN
(10)
VR2
CN3 1
(OUT)
10
VR1
Pin connection
CN1
(Power supply)
13
84
(9) (9)
54
13
VR3
CN1
(Power supply)
13
1
No.
1
2
3
4
5
6
7
8
9
10
Name
V(B)
V(B)
V(R,G)
V(R,G)
VCC
GND
GND
GND
GND
GND
CN2
(Input signal)
CN3
(Output signal)
CN2
(Input signal)
CN3
(Output signal)
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
Name
A0
A1
A2
A3
RDATA
GDATA
BDATA
LATCH
RENABLE
GENABLE
BENABLE
CLOCK
GND
Name
A0
A1
A2
A3
RDATA
GDATA
BDATA
LATCH
RENABL
GENABL
BENABL
CLOCK
GND
Name
A0
A1
A2
A3
RDATA
GDATA
BDATA
LATCH
RENABLE
GENABLE
BENABLE
CLOCK
GND
Name
A0
A1
A2
A3
RDATA
GDATA
BDATA
LATCH
RENABL
GENABL
BENABL
CLOCK
GND
LT1560W
¡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/)
(Notice)
179