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LM40057AB Datasheet(PDF) 2 Page - LightKey Optoelectronics Ltd.

Part # LM40057AB
Description  4.00 inch 5x7 Dot Matrix LED Display
PDF  3 Pages
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Manufacturer  LIGHTKEY [LightKey Optoelectronics Ltd.]
Direct Link  http://www.display-leds.com
Logo LIGHTKEY - LightKey Optoelectronics Ltd.

LM40057AB Datasheet(HTML) 2 Page - LightKey Optoelectronics Ltd.

  LM40057AB Datasheet HTML 1Page - LightKey Optoelectronics Ltd. LM40057AB Datasheet HTML 2Page - LightKey Optoelectronics Ltd. LM40057AB Datasheet HTML 3Page - LightKey Optoelectronics Ltd.  
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LightKey
SPEC NO: DS10121846
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 4.00 inch 5x7 Dot Matrix LED Display
Internal Circuit Diagram
LM40057A (Common Cathode Row)
LM40057B (Common Anode Row)
38
7
2
6
5
4
7
1
12
5
2
ROW
1
14
PIN
NO.
NO.
9
PIN
13
COL.1
3
11
4
10
2
3
4
7
2
12
5
67
1
4
5
6
5
NO.
PIN
14
2
38
ROW
1
9
NO.
PIN 13
COL.1
34 11
10
3
24
6
5
Selection Guide
Part No.
Chip
Iv@IF=20mA
One Dot
Common
Cathode Row
Common
Anode Row
Material
Color
WLD
Min.
Typ.
LD40057AR
LD40057BR
GaAlAs
Super Red
640
12
15
LD40057AD
LD40057BD
GaAlAs
Hi-Red
640
27
37.5
LD40057AO
LD40057BO
GaAsP
Orange
625
10.5
13.5
LD40057AY
LD40057BY
GaAsP
Yellow
588
12
15
LD40057AG
LD40057BG
GaP
Green
568
10.5
13.5
LD40057AUR
LD40057BUR
AlGaInP
Ultra Red
640
45
67.5
LD40057AUO
LD40057BUO
AlGaInP
Ultra Orange
625
67.5
90
LD40057AUA
LD40057BUA
AlGaInP
Ultra Amber
605
45
67.5
LD40057AUY
LD40057BUY
AlGaInP
Ultra Yellow
595
45
67.5
LD40057AUG
LD40057BUG
AlGaInP
Ultra Green
573
45
67.5
LD40057APG
LD40057BPG
InGaN
Pure Green
525
180
450
LD40057AUB
LD40057BUB
InGaN
Ultra Blue
470
45
67.5
LD40057AUW
LD40057BUW
SMD
Ultra White
\
150
180
Unit:
\
\
\
nm
mcd
mcd



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