Sharp LT1550W Datasheet

Symbol MIN TYP MAX Unit

V

CC

VLED
ICC

VIH
VIL
IIH

*3

IIL

*4

fCLK
fFR

4.75

(5.75)

------

3.5

------

------

------

-----­70

V

mA

V
V

µA

mA

MH

Z

HZ

5.25

(6.25)

260

------

1.5

0.1

0.12
10

1000

5.0

(6.0)

200

------

------

------

------

-----­250

*1 Red, *2 Yellow-green,Blue, *3 V

IH=5, *4 VIL=0V

(Ta=25˚C,VCC=5V,V(R, G)=5V,V(B)=8V)

Supply voltage for IC
Supply voltage for LED
IC current dissipation

Input voltage

Input current
Clock frequency

Frame frequency

Parameter

VD(n+1)data on

VD(n+2) data

tWCLK

OFF

V

D(n+1)

1/f ENA

tWENA

td(L-C)

td(A-E)

R, G, B
DATA

CLOCK

V

D(n+1) data

thtsu

ADDRESS
(A0 to A3)

td(L-A)

td(E-A)

VD(n)data on

R, G, B
DATA(OUT)

R, G, B ENABLE

V

D(n)

LATCH

t

dD

td(C-L)

tWL

1

473

331

CLOCK

A0
A1
A2
A3
RDATA

GENABLE
BENABLE

IN

GDATA
BDATA
LATCH
RENABLE

GDATA

Nch FET DRIVER

FOR BLUE

A0
A1

BDATA
LATCH
RENABLE
GENABLE
BENABLE
CLOCK

OUT

A2
A3
RDATA

FOR YELLOW-GREEN

FOR RED

LED MATRIX

16✕16DOT✕2

32BIT

AND LUMINANCE ADJUSTMENT CIRCUIT

SHIFT-REGISTER, LATCH, DRIVER

SHIFT-REGISTER, LATCH, DRIVER

AND LUMINANCE ADJUSTMENT CIRCUIT

HC367

I/O part

4 TO 16 DECODER

AND LUMINANCE ADJUSTMENT CIRCUIT

32BIT

SHIFT-REGISTER, LATCH, DRIVER

32BIT

TRICHROMATIC

Full Color Dot Matrix LED Unit for Indoor Use LT1550W(Chip Type)

Unit

V

CC

VLED
V1
tON
Topr
Tstg
P

V
V
V

ms

˚C
˚C
W

(Ta=25˚C)

Supply voltage for IC
Supply voltage for LED
Input voltage
Turn-on time
Operating temperature
Storage temperature
Power dissipation

Parameter

Symbol

-0.3 to +5.5

-0.3 to (+6.5)

-0.3 to V

CC+0.3

1

-10 to +60

-20 to +70
62

Rating

Red

Yellow-green

Blue

Red

Yellow-green

Blue

Red

Yellow-green

Blue

(100)
(150)
(70)
635
565
430
35
30
65

Luminance

Peak emission wavelength

Spectrum radiation bandwidth

cd/m

2

nm

nm

L

V

λp

∆λ

Parameter Symbol UnitTYP.

(Ta=25˚C,VCC=5V,V(R, G)=5V,V(B)=8V)

Supply voltage for LED(Red,Yellow-green)+5V
Supply voltage for LED(Blue)+(+8V±10%)
Supply voltage for IC+5V
Ground
Address specification signal for row driver

Serial data input for each color(H:ON, L:OFF)

Latch signal of display data(H: Serial data is converted
to parallel data.L: Contents are latched.)

Controls ON/OFF of each color of LED
(H: LED OFF)

Clock signal for data transmission in the shift­register.(L/H: serial data is shifted.)

Ground for signal
Buffered input signal

Input signal generated through 32-bit shift
register

Buffered input signal

Buffered input signal

Buffered input signal
Ground for signal

Symbol Function

V

(R,G)

V(B)
VCC
GND
A0 to A3

LATCH

CLOCK

GND
A0 to A3

RDATA
GDATA
BDATA

RDATA
GDATA
BDATA

LATCH

CLOCK
GND

RENABLE
GENABLE

BENABLE

RENABLE
GENABLE
BENABLE

Each signal is used as input signal for next unit.
* As for the terminal number, refer to the outline dimensions.

Connector

Power
supply
(CN1)

Input
signal
(CN2)

Output

signal
(CN3)

(Under development)

■ Features

¡No. of dots : 16✕32dots
¡Outline dimensions : 64✕128mm
¡Dot size : 3.0✕3.0mm
¡Dot pitch : 4.0mm
¡Radiation color : Blue+Yellow-green+Red(Full color)
¡Driving method : 1/16 duty dynamic drive

■ Absolute Maximum Ratings ■ Electrical Characteristics

■ Optical Characteristics

■ Terminal Functions

■ Timing Chart

■ Block Diagram

(Notice) ¡
(Internet) ¡Data for sharp's optoelectronic/power device is provided for internet.(Address http://www.sharp.co.jp/ecg/)

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.

24

20

VD31

128

4-M3

HD0

-0.5

+0

110

(25)

HD15

6

No.

1

GND
GND

GND
GND

Name

GND

A0

No.

5

4

3

2

1 V(B)

V(B)
V(R,G)
V(R,G)
VCC

Name

CN2

No.

1 A0

8
9

10

7

3

2

10

LATCH

BDATA

A2

A1

A3
RDATA
GDATA

210A1

A2
A3

11

6
7

9

8

5

1312GND

CLOCK

11

9

8

7

6

5

4

13

12

4

3

13

CN2(IN)

CN1

1

1

13

10

CN3
(OUT)

VR1

VR3
VR2

1

54

(9) (9)

-0.5

+0

512-❏3(LED)

RENABL
GENABL

CN3

(Power supply)

CN1

VD0

Data shift direction

BENABL

(Depth Min. 6)

(Input signal) (Output signal)

Name

GND

CLOCK

LATCH

BDATA

BENABLE

RENABLE
GENABLE

RDATA
GDATA

64

Pin connection

15

6

No.

1

GND
GND

GND
GND

Name

GND

A0

No.

5

4

3

2

1 V(B)

V(B)
V(R,G)
V(R,G)
VCC

Name

CN2

No.

1 A0

8
9

10

7

3

2

10

LATCH

BDATA

A2

A1

A3
RDATA
GDATA

210A1

A2
A3

11

6
7

9

8

5

1312GND

CLOCK

11

9

8

7

6

5

4

13

12

4

3

RENABL
GENABL

CN3

(Power supply)

CN1

BENABL

(Input signal) (Output signal)

Name

GND

CLOCK

LATCH

BDATA

BENABLE

RENABLE
GENABLE

RDATA
GDATA

VD31

192

H

D0

-0.5

+0

HD15

-0.5

+0

512-❏3 chipLED

VD0

Data shift direction

96

13.2

8.2

Pin connection

VR3(B)

V

R2(GREEN)

V

R1(RED)

CN1

1 1

10

13

(15)

76 76

8-N3

20

84

(10)(10)

(10)

1

CN2

IN

CN3
CUT

13

LT1550W