LightKey
Datasheet of 1.20 inch 8x8 Dot Matrix LED Display
LM12088A/B Series – 1.20 inch 8x8 Dot Matrix LED Display
ATTENTION
OBSERVE PRECAUTIONS
FOR HANDLING
ELECTROSTATIC
DISCHARGE
SENSITIVE
DEVICES
Features
32.00mm (1.20inch) digit high
Dot size: Diameter 3.00mm
Pitch: 4.00mm
Wide viewing angle
Range of emitted colors
I.C. compatible
Low power consumption
White dot, grey or black face
RoHS compliant
Available options
Alternative emitting luminosity:
Standard or high brightness version
Alternative emitted color
Alternative dot color
Alternative face
Both CC and CA versions are available
Cropped terminal pins
Package Dimensions
COL. 1
2
3
4
5
6
7
8
ROW
1
2
3
32.
00
4
5
6
7
8
PIN 1
4.00*7=28.00
32.00
8.
00
4.
00*7=28.
00
0.
50
6.
30
0
3.
0.51
24.00
2.54*11=27.94
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: DS10121805
REV: A.4
CHECKED: Emily Zhou
TEL: 0086-574-86322282
APPROVED: M.H. Lin
PAGE: 1/3
HTTP://WWW.LTKEY.COM
DATE: Jul/20/2011
LightKey
Internal Circuit Diagram
LM12088ARG (Common Cathode Row)
Datasheet of 1.20 inch 8x8 Dot Matrix LED Display
LM12088BRG (Common Anode Row)
COL. 1
2
3
4
5
6
7
8
PIN
NO. 24 23 21 20 18 17 15 14 1 2 4 5 7 8 10 11
PIN
ROW NO.
ROW
1 22
2 19
3 16
4 13
5
6
7
3
6
9
2
3
4
5
6
7
8
COL. 1
PIN
NO. 24 23 21 20 18 17 15 14 1 2 4 5 7 8 10 11
PIN
NO.
1 22
2 19
3 16
4 13
5
6
7
3
6
9
8 12
= GREEN
= ORANGE
8 12
= GREEN
= ORANGE
Selection Guide
1.20 inch 8x8 Red-Green LED dot matrix module, Matrix Height: 32.00mm(1.20 inch), External
Dimensions: 32.00x32.00x8.00mm (LxWxH)
Part No.
Description
Common
Cathode Row
Standard
Brightness
GaAlAs
LM12088ARG
LM12088BRG
GaP
Ultra-High
Brightness
AlGaInP
LM12088AURUG
LM12088BURUG
AlGaInP
Common
Anode Row
Material
Chip
W LD
(nm)
640
Iv(mcd)@20mA
One Dot
Min.
8
Typ.
10
Color
Super Red
Green
Ultra Red
Ultra Green
568
640
573
7
30
30
9
45
45
SPEC NO: DS10121805
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
Electrical optical
Characteristics
V
F
(V)
Color
@ IF=20mA
Typ.
Super Red
Green
Ultra Red
Ultra Green
1.8
2.2
1.9
2.1
[2]
[1]
Datasheet of 1.20 inch 8x8 Dot Matrix LED Display
Electrical Characteristics & Absolute Maximum Ratings
LM12088A/BRG
Absolute Maximum Ratings
[1]
Reverse
Current
VR=5V
(uA)
30
30
30
300
Power
Dissipation
(mW)
60
80
60
75
DC Forward
Current
(mA)
25
30
30
30
Peak Forward
Current
[3]
(mA)
100
100
100
100
Reverse
Voltage
(V)
5
5
5
5
Max.
2.2
2.5
2.6
2.6
Operating/ Storage Temp.:
-40 to +80 deg.;
Lead Solder Temp.:
260 deg. for 3-5 Sec. 2mm below package base
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: DS10121805
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