LightKey LM7057AR Lm7057a/b series - 0.70 inch 5x7 dot matrix led display Datasheet

LightKey
Datasheet of 0.70 inch 5x7 Dot Matrix LED Display
LM7057A/B Series - 0.70 inch 5x7 Dot Matrix LED Display
ATTENTION
OBSERVE PRECAUTIONS
FOR HANDLING
ELECTROSTATIC
DISCHARGE
SENSITIVE
DEVICES
Features
Available options
¾
17.80mm (0.70inch) digit high
¾
¾
Dot size: Diameter 1.90mm
¾
Pitch: 2.54mm
¾
Wide viewing angle
¾
Range of emitted colors
¾
I.C. compatible
¾
Low power consumption
¾
White segment
¾
RoHS compliant
Alternative emitting luminosity:
Standard or high brightness version
¾
¾
¾
¾
¾
Alternative emitted color
Alternative segment color
Alternative font
Common Cathode is available
Cropped terminal pins
Package Dimensions
PIN 1
2
3
4
5
ROW
1
2
3
17.80
2.54*6=15.24
COL. 1
4
5
6
7
2.54*4=10.16
1.
90
0.50
6.30
12.70
6.30
0.51
2.54*5=12.70
7.62
Notes:
1. All dimensions are in millimeters (inches), Tolerance is + 0.25mm (0.01inch) unless other wise noted.
2. Specifications are subject to change without notice.
3. The gap between the reflector and PCB shall not exceed 0.25mm.
SPEC NO: DS10121583
REV: A.4
HTTP://WWW.LTKEY.COM
CHECKED: Emily Zhou
TEL: 0086-574-86322282
APPROVED: M.H. Lin
PAGE: 1/3
DATE: Jul/20/2011
LightKey
Datasheet of 0.70 inch 5x7 Dot Matrix LED Display
Internal Circuit Diagram
LM7057A (Common Cathode Row)
LM7057B (Common Anode Row)
COL. 1
2
3
4
5
COL. 1
2
3
4
5
PIN 1
NO.
3
10
7
8
PIN
NO.
3
10
7
8
PIN
ROW NO.
1
PIN
ROW NO.
1
12
1
12
2
11
2
11
3
2
3
2
4
9
4
9
5
4
5
4
6
5
6
5
7
6
7
6
Selection Guide
Part No.
Chip
Common
Common
Cathode Row
Anode Row
Material
Iv@IF=20mA
Color
One Dot
WLD
Min.
Typ.
LM7057AR
LM7057BR
GaAlAs
Super Red
640
8
10
LM7057AD
LM7057BD
GaAlAs
Hi-Red
640
18
25
LM7057AO
LM7057BO
GaAsP
Orange
625
7
9
LM7057AY
LM7057BY
GaAsP
Yellow
588
8
10
LM7057AG
LM7057BG
GaP
Green
568
7
9
LM7057AUR
LM7057BUR
AlGaInP
Ultra Red
640
30
45
LM7057AUO
LM7057BUO
AlGaInP
Ultra Orange
625
45
60
LM7057AUA
LM7057BUA
AlGaInP
Ultra Amber
605
30
45
LM7057AUY
LM7057BUY
AlGaInP
Ultra Yellow
595
30
45
LM7057AUG
LM7057BUG
AlGaInP
Ultra Green
573
30
45
LM7057APG
LM7057BPG
InGaN
Pure Green
525
120
300
LM7057AUB
LM7057BUB
InGaN
Ultra Blue
470
30
45
LM7057AUW
LM7057BUW
InGaN
Ultra White
\
100
120
nm
mcd
mcd
Unit:
\
SPEC NO: DS10121583
HTTP://WWW.LTKEY.COM
\
REV: A.4
\
CHECKED: Emily Zhou
TEL: 0086-574-86322282
APPROVED: M.H. Lin
PAGE: 2/3
DATE: Jul/20/2011
LightKey
Datasheet of 0.70 inch 5x7 Dot Matrix LED Display
Electrical Characteristics & Absolute Maximum Ratings
Electrical
Characteristics
Color
Absolute Maximum Ratings[1]
[1]
VF@
Reverse
IF=20mA[2]
Current
Typ.
Max.
VR=5V
Power
Dissipation
DC
Peak
Forward
Forward
Current
Current[3]
Super Red
Per Dot
1.8
2.2
30
60
25
100
Hi-Red
Per Dot
1.8
2.2
30
60
25
100
Orange
Per Dot
2.1
2.5
30
80
30
100
Yellow
Per Dot
2.1
2.5
30
80
30
100
Green
Per Dot
2.2
2.5
30
80
30
100
Ultra Red
Per Dot
1.9
2.6
30
60
30
100
Ultra Orange
Per Dot
2.0
2.6
30
65
30
100
Ultra Amber
Per Dot
2.0
2.6
30
65
30
100
Ultra Yellow
Per Dot
2.0
2.6
30
65
30
100
Ultra Green
Per Dot
2.1
2.6
30
75
30
100
Pure Green
Per Dot
3.5
4.0
30
110
30
100
Ultra Blue
Per Dot
3.5
4.0
30
120
30
100
Ultra White
Per Dot
3.5
4.0
30
120
30
100
Unit:
\
V
V
uA
mW
mA
mA
Notes:
1. At Ta = 25 °C.
2. Forward voltage at forward current = 20mA.
3. Peak forward current at 1/10 Duty Cycle, 0.1ms Pulse.
SPEC NO: DS10121583
HTTP://WWW.LTKEY.COM
REV: A.4
CHECKED: Emily Zhou
TEL: 0086-574-86322282
APPROVED: M.H. Lin
PAGE: 3/3
DATE: Jul/20/2011
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