LightKey LM7057GD Lm7057g/h series - 0.70 inch 5x7 dot matrix led display Datasheet

LightKey
Datasheet of 0.70 inch 5x7 Dot Matrix LED Display
LM7057G/H 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
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: DS10121796
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
Internal Circuit Diagram
LM7057G (Common Cathode Row)
Datasheet of 0.70 inch 5x7 Dot Matrix LED Display
LM7057H (Common Anode Row)
Selection Guide
Part No.
Chip
Common
Common
Cathode Row
Anode Row
Material
Color
Iv@IF=20mA
One Dot
WLD
Min.
Typ.
LM7057GR
LM7057HR
GaAlAs
Super Red
627
8
10
LM7057GD
LM7057HD
GaAlAs
Hi-Red
627
18
25
LM7057GO
LM7057HO
GaAsP
Orange
610
7
9
LM7057GY
LM7057HY
GaAsP
Yellow
588
8
10
LM7057GG
LM7057HG
GaP
Green
568
7
9
LM7057GUR
LM7057HUR
AlGaInP
Ultra Red
627
30
45
LM7057GUO
LM7057HUO
AlGaInP
Ultra Orange
610
45
60
LM7057GUA
LM7057HUA
AlGaInP
Ultra Amber
605
30
45
LM7057GUY
LM7057HUY
AlGaInP
Ultra Yellow
595
30
45
LM7057GUG
LM7057HUG
AlGaInP
Ultra Green
573
30
45
LM7057GPG
LM7057HPG
InGaN
Pure Green
525
120
300
LM7057GUB
LM7057HUB
InGaN
Ultra Blue
470
30
45
LM7057GUW
LM7057HUW
SMD
Ultra White
\
100
120
nm
mcd
mcd
Unit:
\
SPEC NO: DS10121796
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: DS10121796
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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