SHARP LT1550

Dot Matrix LED Unit for Indoor Use LT1550ED(Chip Type)
■ Features
¡No. of dots : 16✕32dots
¡Outline dimensions : 64.0✕128.0mm
¡Dot size : 3.0✕3.0mm
¡Dot pitch : 4.0mm
¡Radiation color : Yellow-green+Red(dichromatic type)
¡Driving method : 1/16 duty dynamic drive
LT1550ED
■ Absolute Maximum Ratings
Parameter
Supply voltage for IC
Supply voltage for LED
Input voltage
Turn-on time
Operating temperature
Storage temperature
Power dissipation
*1 25% or less of lighting
Symbol
VCC
VLED
V1
tON
Topr
Tstg
P
■ Optical Characteristics
Parameter
Symbol
Red
Luminance
Yellow-green
Viewing angle
Red
Peak emission wavelength
Yellow-green
Lv
2θ1/2
λp
(Ta=25˚C)
Rating
-0.3 to +5.5
-0.3 to +4.5
-0.3 to Vcc+0.3
1
-10 to +60*1
-20 to +70
20
(VCC=5V,VLED=4V,Ta=25˚C)
Symbol
MIN. TYP. MAX. Unit
4.75
5.0
VCC
5.25
V
3.75
4.0
VLED
4.25
V
-----140
200
ICC
mA
-----3.8
4.2
ILED
A
3.5
----------VIH
V
Input voltage
----------1.5
VIL
V
----------0.1
µA
IIH
Input current
----------0.12 mA
IIL
Clock frequency
----------10
fCLK
MHZ
70
Frame frequency
250 1 000 HZ
fFR
*1 Under the condition that dichromatic all dots are lit.
Parameter
Supply voltage for IC
Supply voltage for LED
IC current dissipation*1
LED current dissipation*1
Unit
V
V
V
ms
˚C
˚C
W
(VCC=5V,VLED=4V,Ta=25˚C)
TYP.
120
180
120
635
565
■ Electrical Characteristics
Unit
■ Timing Chart
tsu
cd/m
2
˚
nm
t WCLK
th
CLOCK
R&G
DATA
R&G
DATA(OUT)
VD(n+1) data
VD(n+2) data
t WL
td(L-C)
td(C-L)
t dD
■ Terminal Functions
Connector Symbol
VLED
Power
supply
VCC
(CN1)
GND
A0 to A3
Function
Supply voltage for LED (+4V)
Supply voltage for IC (+5V)
Ground
Address specification signal for row driver
RDATA
Serial data input for red (H=ON, L=OFF)
GDATA
Serial data input for yellow-green (H=ON, L=OFF)
LATCH
ENABLE
t WENA
VD(n) data ON
VD(n+1) data ON
OFF
OFF
1/ f ENA
ADDRESS
(A0 to A3)
VD(n+1)
VD(n)
td(L-A)
td(E-A)
td(A-E)
■ Block Diagram
Input/output circuit
331
473
HC367
LATCH
Latch signal of display data. H: Serial data is
converted to parallel data. L: Contents are latched.
OUT
ENABLE
Controls ON/OFF of LED (H: LED OFF)
CLOCK
Clock signal for data transmission in the
shift-register. (L→H: serial data is shifted.)
IN
A0
A1
A2
A3
RDATA
GDATA
LATCH
ENABLE
CLOCK
A0
A1
A2
A3
RDATA
GDATA
LATCH
ENABLE
CLOCK
GND
A0 to A3
4 TO 16 DECODER
Pch FET DRIVER
32BIT
SHIFT-REGISTER, LATCH, DRIVER
AND LUMINANCE ADJUSTMENT CIRCUIT
Ground for signal
Buffered input signal
Input signal generated through 32-bit shift register
RDATA
or buffer
Input signal generated through 32-bit shift register
Output
GDATA
signal
or buffer
(CN3)
Buffered input signal
LATCH
ENABLE Buffered input signal
CLOCK Buffered input signal
GND
Ground for signal
Each signal is used as input signal for next unit.
* As for the terminal number, refer to the outline dimensions.
16✕16DOT✕2
DICHROMATIC
LED MATRIX
32BIT
SHIFT-REGISTER, LATCH, DRIVER
AND LUMINANCE ADJUSTMENT CIRCUIT
Input
signal
(CN2)
¡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)
161
Dot Matrix LED Unit
1
Outline Dimensions(Unit:mm)
2
+0.2
(2.45)
79.9 -0.4
(40)
(2.45)
63.8 ±0.2
P4.0X15=60.0
(2.45)
2.5X13=(32.5)
20
36.0
30.0
±1
H D0
HD15
V D31
512-ø2
HD15
256-ø2.8
VD15
25.0
32.0 MAX
VD0
Pin connection
CN1(Power supply)
(15)
Pin connection
CN2(Input signal)
VR2 VR1
1
1
CN1
23.2
VR4 VR3
1
5
1
2
3
4
5
6
7
8
9
10
10
Name
A0
A1
A2
A3
RDATA
GDATA
LATCH
ENABLE
CLOCK
GND
22.8
10
7 MIN 8 MIN
(37)
(33)
Pin No.
1
2
3
4
5
6
7
8
9
10
4-M3(Depth6)
CN1
VR2 VR1
1
Name
A0
A1
A2
A3
RDATA
GDATA
LATCH
ENABLE
CLOCK
GND
LT1481ED
1
1
4
CN3(Output signal)
4-M3.0
(Depth 6.0)
6.6
CN3 CN2
10 10
19 MAX 2 MAX
CN2
CN3
33
(8.5)
Pin No.
CN1
(Power supply)
19 MAX 20 MAX
1
2
3
4
V LED
V CC
GND1
GND2
CN2
(Input signal)
62.5
(25)
(15)
28.0 ±0.1
(25)
Name
VLED
VLED
VCC
GND
GND
6.6
13 MAX
1
2
3
4
5
23.5
8MAX
Pin No.
73
28.0
Data shift direction
±0.1
(2.45)
V D0
63.8 ±0.2
P4.0✕15=60.0
+0.2
39.9 -0.4
2.5✕13=(32.5)
HD0
10.5
1
2
3
4
5
6
7
8
9
10
CN3
(Output signal)
A0
A1
A2
A3
RDATA
GDATA
LATCH
ENABLE
CLOCK
GND1
1
2
3
4
5
6
7
8
9
10
A0
A1
A2
A3
RDATA
GDATA
LATCH
ENABLE
CLOCK
GND1
16.5
4
4.5
28.0 ±0.1
28.0 ±0.1
62.5
LT1461ED
4
3
128
512-3❏ chip LED
+0
-0.8
8.2
HD0
63.9
4.0✕15=59.25
256-ø3.0
10
+0
-0.5
13.2
64
10.1
Data shift direction
63.9
4.0✕15=59.25
HD0
HD15
VD0
HD15
VD15
VD0
VD31
Data shift direction
Height
7.5MAX
110
±0.25
44.0
44.0
RADJ
3.05±1
46
1
GADJ
7.75±1
1
17.05
27.45
LT1465ED/LT1465M
(Notice)
CN1
4
5.2
7.5
CN3 CN2
10
14.3 5
22.5
3.35±1
Pin connection
CN3
10
IN
VR2
OUT
1
7
VR1
CN1
1
CN1(Power supply)
NO
1
2
3
4
Name
VLED
VDD
GND1
GND2
6-M3 Insert nut
(Effective screw depth 4.0)
Pin connection
CN1(Power supply)
CN2(Input signal)
CN3(Output signal)
CN2(Input signal) CN3(Output signal)
NO
1
2
3
4
5
6
7
8
9
10
Name
A0
A1
A2
A3
RDATA
GDATA
LATCH
ENABLE
CLOCK
GND1
NO
1
2
3
4
5
6
7
8
9
10
10
19.7
46
CN2
Depth5MIN.
1
±0.25
Hexagonal supporter
4-M3
54
22.0
10.0 19.7
15.0
Name
A0
A1
A2
A3
RDATA
GDATA
LATCH
ENABLE
CLOCK
GND1
Pin No.
1
2
3
4
5
6
7
Name
VLED
VLED
VLED
VCC
GND
GND
GND
Pin No.
1
2
3
4
5
6
7
8
9
10
Name
A0
A1
A2
A3
RDATA
GDATA
LATCH
ENABLE
CLOCK
GND
Pin No.
1
2
3
4
5
6
7
8
9
10
Name
A0
A1
A2
A3
RDATA
GDATA
LATCH
ENABLE
CLOCK
GND
LT1550ED
¡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.
176 (Internet) ¡Data
for sharp's optoelectronic/power device is provided for internet.(Address http://www.sharp.co.jp/ecg/)