Sharp LT1541MN Datasheet

ON ON ONOFF

VD(n+1) data VD(n+2) data

td(C-L) td(L-C)

tdD

t=1/fosc

tWL

VD(n) data ON

td(E-A)

t

SU th

t

WCLK

td(A-E)

td(A-L)

Internal

t

WKNA

CLOCK

RDATA
GDATA

RDATA out
GDATA out

LATCH

ENABLE

ADDRESS
(A0 to A2)

VD(n+1) data ON

V

D(n+1)VD(n)

OFFON ON ON ON

RENABLE
GENABLE

Dot Matrix LED Unit for Outdoor Use LT1541MN(Lamp Type,Water-proof Type)

VCC
VLED
V1
tON
Topr
Tstg
P

-0.3 to +6.0

-0.3 to +8.0

-0.3 to VCC+0.3
1

-20 to +75

-25 to +100
59

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

Symbol RatingParameter

V
V
V

ms

˚C
˚C
W

Unit

(Ta=25˚C)

VCC
VLED
ICC
ILED
VIH
VIL
IIH
IIL
fCLK
fFR

4.75

7.0

------

------

3.5

------

------

------

-----­250

5.0

7.5
200

5.5

------

------

------

------

-----­400

5.25

7.75
500

7.0

------

1.5

0.1

0.12

10.0

3 000

Supply voltage for IC
Supply voltage for LED
IC current dissipation
LED current dissipation

*1

Input voltage

Input current
Clock frequency

Frame frequency

SymbolParameter

V
V

mA

A
V
V

µA

mA

MH

Z

HZ

Unit

*1 Under the condition that dichromatic all dots are lit.

TYP.MIN. MAX.

(VCC=5V,VLED=7.5V,Ta=25˚C)

Parameter TYP. UnitSymbol

Viewing angle ˚2θ1/2

Peak emission wavelength

λp nm

Red

Horizontal

Yellow-green

660
565

70

(VCC=5V,VLED=7.5V,Ta=25˚C)

Symbol
VLED
Vcc
GND1
GND2
A0 to A2

RDATA
GDATA

LATCH

RENABLE
GENABLE

CLOCK

GND1
A0 to A2
RDATA
GDATA
LATCH
RENABLE
GENABLE
CLOCK
GND1

Function

Connector

Power
supply
(CN1)

Input
signal
(CN2)

Output

signal
(CN3)

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

Supply voltage for LED(+7.5V)
Supply voltage for IC(+5V)
Ground for IC
Ground for LED
Address specification signal for column

driver
Serial data input for each color(H:ON, L:OFF)
Shift from up to down in the unit
HD16/HD31/HD0/HD15
Latch signal of display data H: Serial data is converted to
parallel data. L: Contents are latched.
LATCH signal is set up after switching address(A0 to A2)
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(Connected to ground for IC)
Buffered input signal
Input signal generated through 32-bit shift register

Buffered input signal
Buffered input signal
Buffered input signal

Ground for signal(Connected to ground for IC)

MONO-MULTI

A0
A1
A2

RDATA
GDATA

GENABLE
CLOCK
GND1

Luminance adjustment circuit

A0
A1
A2

RDATA
GDATA
LATCH

RENABLE

GENABLE
CLOCK
GND1

RENABLE

GADJ

RADJ

H

D31

H D0

H D31
H D0

H D16 H D16

H D15 H D15

Dot matrix LED

GATE

SELECTOR

OUT IN

OSC

16✕16

PNP

3 to 8 DECODER

DRIVER

32 BIT SHIFT REGISTER/LATCH/DRIVER

32 BIT SHIFT REGISTER/LATCH/DRIVER

32 BIT SHIFT REGISTER/LATCH/DRIVER

LATCH

Input/output circuit

331

HC367

473

Rank

Unit

cd/m

2

Radiation color

Red

Yellow-green

1
1 300
1 000

2
1 690
1 300

(VCC=5V,VLED=7.5V,Ta=25˚C)

Luminance is classified into 2 ranks shown below.

■ Features

¡No. of dots : 16✕16dots
¡Outline dimensions : 240✕240mm
¡Dot size : 13.0✕13.0mm(Using oval lamp)
¡Dot pitch : 14.9mm

¡

Radiation color : Yellow-green+Red(High-luminosity)dichromatic type

¡Driving method : 1/8 duty dynamic drive

■ Absolute Maximum Ratings ■ Electrical Characteristics

■ Optical Characteristics

LT1541MN

■ Timing Chart

■ Luminance

■ Terminal Functions

■ 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.

171

13

13✕13

HD0

239.2

(14.9✕15=223.5)

HD16

11

18

(16.6)

Height 11MAX

(Except CN1 to 3)

120

(206)

Data shift direction

14.9✕15=223.5

119.6

HD15

VD0

12-Insert nut(M3)

(Depth 6MIN)

119.6119.6
217

CN3

(159)

(2.5X9=22.5)

10

GADJ

1

RADJ

LT1541MN/LT1545M

(45)

Data shift direction

HD31

VD15

Pin connection

CN1:(Power supply)

Name

NO

(206)

217
190

(177)

60

Positioning pin

(9)

CN1

6

1

(3.96✕5=

(145)

CN2

(10)

10

1

Water-proof rubber

19.8)
ø6.5

1 VLED
2 VLED
3 Vcc
4 GND1
5 GND2
6 GND2

CN2:(Input signal) CN3:(Output signal)

Name

NO

1 A0
2 A1
3 A2
4 RENABLE
5 RDATA

(50)

6 GDATA
7 LATCH

8 GENABLE

80

9 CLOCK

(25)

10 GND1

(25)

(50)

8-ø7concave

LT1541MN

LT1545M

ø7

4

Name

NO

1 A0
2 A1
3 A2
4 RENABLE
5 RDATA
6 GDATA
7 LATCH
8 GENABLE
9 CLOCK

10 GND1

*1 LT6E26TP
*2 LT6U26TP
*1 ø5
*2 ø5 Red

Yellow-green