LightKey

SPEC NO: DS10121583

REV: A.4

CHECKED: Emily Zhou

APPROVED: M.H. Lin

PAGE: 2/3

HTTP://WWW.LTKEY.COM

TEL: 0086-574-86322282

DATE: Jul/20/2011

Datasheet of 0.70 inch 5x7 Dual Color Dot Matrix LED Display

Internal Circuit Diagram

LM7057ARG (Common Cathode Row)

LM7057BRG (Common Anode Row)

CODE N

3

3

8

8

1

1

6

1

6

1

0

1

0

1

9

9

5

5

7

1

7

1

3

1

3

1

2

1

2

1

1

2

345

8

1

8

1

2

2

5

1

5

1

4

1

4

1

6

6

7

7

1

1

1

1

1

2

3

4

5

6

7

PIN

NO.

PIN

NO.

COL.

CODE M

12

3

4

5

1

2

3

4

5

6

7

PIN

NO.

PIN

NO.

COL.

RED

GREEN

Selection Guide

0.70 inch 5x7 Red-Green LED dot matrix module, Matrix Height: 17.80mm(0.70 inch), External

Dimensions: 17.80x12.70x6.30mm (L x W x H)

Part No.

Chip

Iv(mcd)@20mA

One Dot

Description

Common

Cathode Row

Common

Anode Row

Material

Color

W LD

(nm)

Min.

Typ.

GaAlAs

Super Red

640

8

10

Standard

Brightness

LM7057ARG

LM7057BRG

GaP

Green

568

7

9

AlGaInP

Ultra Red

640

30

45

Ultra-High

Brightness

LM7057AURUG

LM7057BURUG

AlGaInP

Ultra

Green

573

30

45