Dot Matrix LED Unit for Outdoor Use LT1442M/LT1445M(Lamp Type)
s
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
s
Absolute Maximum Ratings
(Ta=25˚C)
s
Electrical Characteristics
Parameter
Supply voltage for IC
Supply voltage for LED
IC current dissipation
LED current dissipation
*1
(V
CC
=5V,V
LED
=3V,Ta=25˚C)
Parameter
Symbol
Rating
Unit
Supply voltage for IC
V
V
CC
5.5
Supply voltage for LED
V
V
LED
3.5
Input voltage
*1
V
5.5
V
I
Operating temperature
-10 to +75
T
opr
˚C
Storage temperature
-20 to +100
T
stg
˚C
W
Power dissipation
35/49
P
*1 V
I
<Vcc at Vcc≤5
Each figure in the table is the one of LT1442M/LT1445M in sequence.
s
Optical Characteristics
Parameter
Red
Luminance
Yellow-green
Viewing angle
Red
Peak emission wavelength
Yellow-green
Symbol
L
V
2θ
1
/
2
λp
(V
CC
=5V,V
LED
=3V,Ta=25˚C)
MIN. TYP. MAX. Unit
Symbol
V
5.0
V
CC
4.75
5.25
V
3.0
2.75
3.25
V
LED
------ 220/280 ------
mA
I
CC
------ 9.3/11.5 ------
I
LED
A
------
------
3.5
V
IH
V
Input voltage
------
------
V
IL
V
1.5
------
------
I
IH
0.1
Input current
µA
------
------
I
IL
mA
0.12
Clock frequency
------
------
MHz
3.0
f
CLK
*1 Under the condition that dichromatic all dots are lit.
Each figure in the table is the one of LT1442M/LT1445M in sequence.
TYP
MIN. 800/700
MIN. 800/700
36/54
660
565
Unit
cd/m
˚
nm
2
s
Timing Chart
tsetup
CLOCK
RDATA
GDATA
LATCH
t
WL
1/f
ENA
thold
td(C-L)
t
WCLK
Each figure in the table is the one of LT1442M/LT1445M in sequence.
s
Terminal Functions
Symbol
V
LED
Power supply
V
CC
(CN1)
GND
RDATA
Connector
GDATA
LATCH
Input signal
(CN2) RENABLE
GENABLE
CLOCK
GND
RDATA
GDATA
Function
Supply voltage for LED(+3V)
Supply voltage for IC(+5V)
Ground
Serial data input for red(H=ON, L=OFF)
Serial data input for yellow-green(H=ON, L=OFF)
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 shift-
register.(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
RENABLE
GENABLE
t
WENA
1/f
OSC
Internal ENABLE
Display pattern
OFF
ON
OFF
s
Block Diagram
Luminance
adjustment
circuit
OSC
VR1
(For red)
VR2
(For yellow-green)
MONO-MULTI
CN2 Input signal portion
GENABLE
RENABLE
CLOCK
LATCH
RDATA
GDATA
B
U
F
F
E
R
B
U
F
F
E
R
CN3 Output signal portion
GENABLE
RENABLE
CLOCK
LATCH
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.
Shift register(yellow-green)
Shift register(red)
LATCH
LATCH
Constant current driver
Constant current driver
LED lamp(dichromatic)
16!16dots
Dot matrix
Yellow-green Red
168
¡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)
Dot Matrix LED Unit
9
144
P9.0!15= 135
256-ø7.5L E D
H
D0
H
D16
Outline Dimensions(Unit:mm)
10
9.5
159
P10!13=130
9.5
13.3 18
15
52
38
23
15
Data shift direction
144
P9.0!15= 135
159
P10!13=130
9.5
V
D0
V
D15
2.5
H
D15
H
D31
9.5
256-ø7.5
1.6t
156
Hexagonal spacer ASB315
4-M3(Depth 6MIN.)
Pin connection
CN1(Power supply)
1
2
3
4
5
6
VLED
VLED
VDD
GND1
GND2
GND2
154
60
60
22.5
69.75
125.58
15
15.84
CN3
10
1
CN1
6
1
CN2
10
1
CN2(Input signal)
1
2
3
4
5
6
7
8
9
10
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
Pin connection
CN1(Power supply)
1
2
3
4
5
VLED
GND
VCC
GND
VLED
70
69.75
1
1
VR1
VR2
1
15
31
CN3
7
CN1
5
CN2
7
CN2(Input signal)
1
2
3
4
5
6
7
GDATA
GENABLE
LATCH
GND
CLOCK
RENABLE
RDATA
CN3(Output signal)
1
2
3
4
5
6
7
GDATA
GENABLE
LATCH
GND
CLOCK
RENABLE
RDATA
19.8
125.58
21
51
49
6-M3
Depth7
LT1447M
LT1442M/LT1445M
159
148.5
(P9.9!15)
HD16
HD32
11
HD0
12 22
HD48
11.6
12
239.2
P14.9!15=223.5
HD16
11.0 18.0 16.6
HD0
159.5
148.5
(P9.9!15)
Data shift direction
119.6
120.0
P14.9
!
15=223.5
Data shift direction
HD15
HD15
VD0
HD13
HD47
HD63
VD15
HD31
VD0
VD15
256-13.0
!
13.0
11.0
MAX.
Height
(Except CN1 to 3)
206.0
Pin connection
159
132
59.4
5
20
5
59.4
ø3 Boss
Height 3
CN1:Power supply
1
2
3
4
5
6
VLED
VLED
Vcc
GND1
GND2
GND2
Pin connection
CN1
(Power supply)
Pin No.
1
2
Name
VLED
VLED
Vcc
GND1
GND2
GND2
Water-proof rubber
217.0
190.0
177.0
60.0
2-
ø
3.0
(Height
3
)
Positioning pin
3
4
5
6
119.6
CN2:Input signal
10
46.5
22.5
61
59.4
10
1
2
3
4
5
6
7
8
9
10
A0
A1
GND1
RENABLE
RDATA
GDATA
LATCH
GENABLE
CLK
GND1
CN3:Output signal
1
2
3
4
5
6
7
8
9
10
A0
A1
GND1
RENABLE
RDATA
GDATA
LATCH
GENABLE
CLK
GND1
CN2
(Input signal)
25.0
50.0
Pin No.
1
2
3
4
5
6
7
8
9
10
Name
A0
A1
A2
RENABLE
RDATA
GDATA
LATCH
GENABLE
CLOCK
GND1
206.0
CN3
(Output signal)
Pin No.
1
2
3
4
5
6
7
8
9
10
Name
A0
A1
A2
RENABLE
RDATA
GDATA
LATCH
GENABLE
CLOCK
GND1
217.0
159.0
P2.5
!
9=22.5
10
1
GADJ
RADJ
6
1
10
1
47
VR2
VR1
19.8
61
59.4
CN1
6
1
119.6
159
106
8-
ø
7.0
concave
ø
7.0
ø
6.5
Water-proof ring
20
6-M3(Depth10)
LT1448MA
LT1540M
178
¡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)
4.0
12-
Insert nut
(M3)
Depth
6
MIN.
P3.96!5=19.8
45.0
145.0
25.0
50.0
1
1
CN3 CN2
CN1
80.0
CN3
10.0
9.0
CN2
130
157
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