LT1447M

更新时间： 2023-12-18 00:00:00

品牌	Logo	应用领域
夏普 - SHARP		显示器光电驱动
页数	文件大小	规格书
2页	288K
描述
Dot Matrix LED Unit for Outdoor Use (Lamp Type)

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技术参数
数据手册

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LT1447M 技术参数

生命周期：	Obsolete	Reach Compliance Code：	unknown
风险等级：	5.84	其他特性：	WITH SHIFT REGISTER/LATCH/DRIVER
颜色：	HIGH LUMINOSITY RED/YELLOW GREEN	配置：	COMPLEX
显示高度：	144 mm	功能数量：	1
最高工作温度：	45 °C	最低工作温度：	-10 °C
光电设备类型：	16 X 16 DOT MATRIX LED DISPLAY	Base Number Matches：	1

LT1447M 数据手册

Dot Matrix LED Unit for Outdoor Use LT1447M(Lamp Type)

■ Features

¡No. of dots : 16✕16dots

¡Outline dimensions : 144✕144mm

¡Dot size : ø7.5mm

¡Dot pitch : 9.0mm

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

¡Driving method : 1/8 duty dynamic drive

LT1447M

■ Absolute Maximum Ratings

(Ta=25˚C)

■ Electrical Characteristics

(VCC=5V,VLED=5V,Ta=25˚C)

Parameter

Symbol

VCC

VLED

Rating

-0.3 to +6.0

-0.3 to +5.5

-0.3 to VCC+0.3

-10 to +45

-25 to +85

Unit

Parameter

Symbol

VCC

VLED

ICC

ILED

VIH

VIL

IIH

IIL

MIN. TYP. MAX. Unit

Supply voltage for IC

Supply voltage for LED

Input voltage

Supply voltage for IC

Supply voltage for LED

IC current dissipation

LED current dissipation^*1

4.75

4.5

------

3.5

------

125

5.0

270

5.0

------

200

5.25

350

6.0

------

1.5

0.1

0.12

3.0

µA

MHZ

Turn-on time

˚C

Operating temperature

Storage temperature

Power dissipation

Topr

Tstg

Input voltage

Input current

fCLK

fFR

Clock frequency

Frame frequency

■ Optical Characteristics

(VCC=5V,VLED=5V,Ta=25˚C)

------

Parameter

Viewing angle

Symbol2

TYP

Unit

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

2θ /2

660

565

Red

Yellow-green

Peak emission wavelength

λp

■ Timing Chart

tsu

t^WCLK

■ Luminance

Luminance is classified into 2 ranks shown below.

CLOCK

R&G

DATA

(VCC=5V,VLED=5V,Ta=25˚C)

(n+1) data

VD(n+2) data

Rank

Radiation color

Unit

R&G

DATA out

tWL

tdD

td(C-L)

td(L-C)

600

750

800

1 000

Red

Yellow-green

LATCH

cd/

1/fOSC

Internal

ENABLE

OFF

td(E-L)

OFF

td(L-E)

■ Terminal Functions

VD(n+1) data ON

td(A-E)

R&G

ENABLE

V^D(n) data ON

td(E-L)

t^WENA

Symbol

VLED

Vcc

Connector

Function

ADDRESS

(A0 to A2)

Supply voltage for LED(+5V)

Supply voltage for IC(+5V)

Ground for IC

D(n)

VD(n+1)

Power supply

(CN1)

td(L-A)

GND1

GND2

A0 to A2 Address specification signal for column driver

Ground for LED

■ Block Diagram

Controls ON/OFF of red LED

(H: LED OFF)

RENABLE

Luminance adjustment circuit

VR1

VR2

Serial data input for red(H=ON, L=OFF)

Shift from up to down in the unit

Input/output circuit

RDATA

GDATA

473

HD16/HD31/HD0/HD15

331

HC367

MONO-MULTI

OSC

Serial data input for yellow-green(H=ON, L=OFF)

Shift from up to down in the unit

HC123

Input signal

(CN2)

D16/HD31/HD0/HD15

OUT

Latch signal of display data H: Serial data is converted

to parallel data. L: Contents are latched.

Controls ON/OFF of yellow-green LED

(H: LED OFF)

LATCH

RENABLE

RDATA

GDATA

LATCH

GENABLE

CLOCK

RENABLE

RDATA

GDATA

LATCH

GENABLE

CLOCK

GENABLE

3 TO 8 DECODER

PNP DRIVER

Clock signal for data transmission in the shift-

CLOCK

GND1

Ground for signal (Connected to ground for IC)

D15

HD16

HD0

A0 to A2 Buffered input signal

RENABLE Buffered input signal

16✕16 DOT

Input signal generated through 32-bit shift

Input signal generated through 32-bit shift register

Buffered input signal

RDATA

LED

Output signal

(CN3)

H^DD1³6¹

GDATA

LATCH

HD0

DICHROMATIC

MATRIX

GENABLE Buffered input signal

CLOCK

GND1

Each signal is used as input singal for next unit.

Buffered input signal

Ground for signal (Connected to ground for IC)

HD31

HD15

As for the terminal number, refer to the outline dimensions.

(Notice)

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/)

中文翻译

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与LT1447M相关器件

型号	品牌	获取价格	描述	数据表
LT1448MA	SHARP	获取价格	Dot Matrix LED Unit for Outdoor Use (Lamp Type,Water-proof Type)
LT1451	SHARP	获取价格	Dot Matrix LED Unit for Indoor Use (Chip On Board Type)
LT1451ED	SHARP	获取价格	Dot Matrix LED Unit for Indoor Use (Chip On Board Type)
LT1455M	SHARP	获取价格	Dot Matrix LED Unit for Indoor/Outdoor Use(Lamp Type)
LT1455M1	SHARP	获取价格	16 X 16 Dot Matrix LED Display, Yellow Green/high Luminosity Red,
LT1455M2	SHARP	获取价格	16 X 16 Dot Matrix LED Display, Yellow Green/high Luminosity Red,
LT1456M	SHARP	获取价格	Dot Matrix LED Unit for Indoor/Outdoor Use(Lamp Type)
LT1456M1	SHARP	获取价格	16 X 16 Dot Matrix LED Display, Yellow Green/high Luminosity Red,
LT1456M2	SHARP	获取价格	16 X 16 Dot Matrix LED Display, Yellow Green/high Luminosity Red,
LT1457	Linear	获取价格	Dual, Precision JFET Input Op Amp

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