Sharp LT1445M Dot matrix led unit for outdoor use (lamp type) Datasheet

Dot Matrix LED Unit for Outdoor Use LT1442M/LT1445M(Lamp Type)
■ Features
¡No. of dots : 16✕16dots
¡Outline dimensions : 160✕160mm
¡Dot size : ø7.5mm
¡Dot pitch : 10mm
¡Radiation color : Yellow-green+Red(High-luminosity)dichromatic type
¡Driving method : Static drive
LT1445M
■ Absolute Maximum Ratings
(Ta=25˚C)
Parameter
Symbol
Rating
Unit
Supply voltage for IC
V
VCC
5.5
Supply voltage for LED
V
VLED
3.5
Input voltage*1
V
5.5
VI
Operating temperature
-10 to +75
Topr
˚C
Storage temperature
-20 to +100
Tstg
˚C
W
Power dissipation
35/49
P
*1 VI<Vcc at Vcc≤5
Each figure in the table is the one of LT1442M/LT1445M in sequence.
■ Optical Characteristics
Parameter
Symbol
Red
Yellow-green
Viewing angle
Red
Peak emission wavelength
Yellow-green
Luminance
LV
2θ1/2
λp
(VCC=5V,VLED=3V,Ta=25˚C)
TYP
MIN. 800/700
MIN. 800/700
36/54
660
565
Unit
cd/m
2
■ Electrical Characteristics
■ Timing Chart
˚
nm
Each figure in the table is the one of LT1442M/LT1445M in sequence.
(VCC=5V,VLED=3V,Ta=25˚C)
MIN. TYP. MAX. Unit
Symbol
V
5.0
VCC
4.75
5.25
V
3.0
2.75
3.25
VLED
------ 220/280 -----mA
ICC
------ 9.3/11.5 -----ILED
A
----------3.5
VIH
V
Input voltage
----------VIL
V
1.5
----------IIH
0.1
Input current
µA
----------IIL
mA
0.12
Clock frequency
----------MHz
3.0
fCLK
*1 Under the condition that dichromatic all dots are lit.
Each figure in the table is the one of LT1442M/LT1445M in sequence.
Parameter
Supply voltage for IC
Supply voltage for LED
IC current dissipation
LED current dissipation*1
tsetup
thold
td(C-L)
tWCLK
CLOCK
RDATA
GDATA
LATCH
tWL
1/fENA
■ Terminal Functions
Symbol
VLED
Power supply
VCC
(CN1)
GND
RDATA
Connector
Function
Supply voltage for LED(+3V)
Supply voltage for IC(+5V)
Ground
Serial data input for red(H=ON, L=OFF)
GDATA
Serial data input for yellow-green(H=ON, L=OFF)
LATCH
L: Contents of shift register is transmitted to latch
register. H: Contents are latched.
Controls ON/OFF of red LED
(L: LED ON)
Controls ON/OFF of yellow-green LED
(L: LED OFF)
Clock signal for data transmission in the shiftregister.(L/H: serial data is shifted.)
Ground for signal
Input signal generated through 256-bit shift register or buffer
Input signal generated through 256-bit shift
register or buffer
Input signal
(CN2) RENABLE
GENABLE
CLOCK
GND
RDATA
GDATA
Output signal LATCH
Buffered input signal
(CN3)
RENABLE Buffered input signal
GENABLE Buffered input signal
Buffered input signal
CLOCK
Ground for signal
GND
Each signal is used as input signal for next unit.
* As for the terminal number, refer to the outline dimensions.
RENABLE
GENABLE
tWENA
1/fOSC
Internal ENABLE
OFF
Display pattern
ON
OFF
■ Block Diagram
Luminance
adjustment
circuit
VR1
(For red)
OSC
VR2
(For yellow-green)
MONO-MULTI
CN3 Output signal portion
CN2 Input signal portion
GENABLE
RENABLE
CLOCK
LATCH
RDATA
GDATA
B
U
B
U
F
F
E
R
F
F
E
R
Shift register(yellow-green)
Shift register(red)
LATCH
LATCH
Constant current driver
Constant current driver
GENABLE
RENABLE
CLOCK
LATCH
RDATA
GDATA
LED lamp(dichromatic)
16✕16dots
Dot matrix
(Notice)
Yellow-green Red
¡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.
168 (Internet) ¡Data
for sharp's optoelectronic/power device is provided for internet.(Address http://www.sharp.co.jp/ecg/)
Dot Matrix LED Unit
Outline Dimensions(Unit:mm)
9
10
144
P9.0✕15= 135
256-ø7.5L E D
159
P10✕13=130
9.5
15
9.5
13.3 18
H D16
130
157
159
P10✕13=130
9.5
144
P9.0✕15= 135
Data shift direction
H D0
52
38
23
15
9.5
HD15
1.6t
256-ø7.5
2.5
H D31
VD15
VD0
156
1
1
6
Ao
A1
A2
RENABLE
RDATA
GDATA
LATCH
GENABLE
CLK
GND1
CN3(Output signal)
1
2
3
4
5
6
7
8
9
10
Ao
A1
A2
RENABLE
RDATA
GDATA
LATCH
GENABLE
CLK
GND1
69.75
1
2
3
4
5
6
7
8
9
10
Pin connection
CN3
7
CN1
5
1
1
19.8
125.58
HD0
CN1(Power supply)
CN2
7
VR1
VR2
1
VLED
GND
VCC
GND
VLED
1
2
3
4
5
6
7
6-M3
Depth7
49
CN3(Output signal)
1
2
3
4
5
6
7
GDATA
GENABLE
LATCH
GND
CLOCK
RENABLE
RDATA
GDATA
GENABLE
LATCH
GND
CLOCK
RENABLE
RDATA
LT1442M/LT1445M
159
148.5
(P9.9✕15)
HD16
HD32
12 22
12
11.6
HD48
239.2
P14.9✕15=223.5
11.0 18.0 16.6
HD16
206.0
Data shift direction
119.6
120.0
P14.9✕15=223.5
159.5
148.5
(P9.9✕15)
Data shift direction
HD0
HD15
HD15
VD0
1
2
3
4
5
CN2(Input signal)
21
51
LT1447M
11
60
15.84
CN1
CN2(Input signal)
70
125.58
15
1
CN2
10
60
VLED
VLED
VDD
GND1
GND2
GND2
69.75
22.5
1
2
3
4
5
6
CN3
10
154
Pin connection
CN1(Power supply)
15
31
Hexagonal spacer ASB315
4-M3(Depth 6MIN.)
HD13
HD47
HD63
VD15
HD31
VD0
VD15
256-13.0 ✕ 13.0
11.0 MAX.
Height (Except CN1 to 3)
Pin connection
CN1(Power supply)
206.0
Pin connection
CN1:Power supply
47
19.8
LT1448MA
(Notice)
CN1
6
1
20
A0
A1
GND1
RENABLE
RDATA
GDATA
LATCH
GENABLE
CLK
GND1
CN3
10
GADJ
1
RADJ
6
1
CN1
25.0
50.0
1
2
3
4
5
6
7
8
9
10
A0
A1
GND1
RENABLE
RDATA
GDATA
LATCH
GENABLE
CLK
GND1
CN2
10
1
25.0
50.0
1
2
3
4
5
6
7
8
9
10
VLED
2
VLED
3
Vcc
4
GND1
5
GND2
6
GND2
CN2(Input signal)
10.0
CN3:Output signal
9.0
CN2:Input signal
2-ø3.0(Height3)
Positioning pin
80.0
1
1
CN3 CN2
VR2
VR1
Water-proof ring
10
Water-proof rubber
Name
1
8-ø7.0 concave
ø 7.0
12-Insert nut
(M3) Depth6 MIN.
Pin No.
Name
CN3(Output signal)
Pin No.
Name
1
A0
1
A0
2
A1
2
A1
3
A2
3
A2
4
RENABLE
4
RENABLE
5
RDATA
5
RDATA
6
GDATA
6
GDATA
7
LATCH
7
LATCH
8
GENABLE
8
GENABLE
9
CLOCK
9
CLOCK
10
GND1
10
GND1
P3.96✕5=19.8
45.0
145.0
ø 6.5
4.0
106
61
59.4
159
61
59.4
46.5
22.5
10
ø3 Boss
Height 3
Pin No.
119.6
59.4
20
5
VLED
VLED
Vcc
GND1
GND2
GND2
217.0
159.0
P2.5✕9=22.5
59.4
1
2
3
4
5
6
119.6
159
132
5
217.0
190.0
177.0
60.0
6-M3(Depth10)
LT1540M
¡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.
178 (Internet) ¡Data
for sharp's optoelectronic/power device is provided for internet.(Address http://www.sharp.co.jp/ecg/)
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