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Datasheet of 1.20 inch 5x7 Dot Matrix LED Display
LM12057A/B Series – 1.20 inch 5x7 Dot Matrix LED Display
ATTENTION
OBSERVE PRECAUTIONS FOR HANDLING ELECTROSTATIC DISCHARGE SENSITIVE DEVICES
Features
¾ ¾
¾ ¾ ¾ ¾ ¾ ¾ ¾
Available options ¾ ¾ ¾ ¾ ¾ ¾
Alternative emitting luminosity: Standard or high brightness version Alternative emitted color Alternative segment color Alternative font Common Cathode is available Cropped terminal pins
39.10mm (1.20inch) digit high Dot size: Diameter 3.00mm Pitch: 4.6mm
Wide viewing angle Range of emitted colors I.C. compatible Low power consumption White segment RoHS compliant
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: DS10121799
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
http://www.Datasheet4U.com
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Internal Circuit Diagram
LM12057A (Common Cathode Row)
Datasheet of 1.20 inch 5x7 Dot Matrix LED Display
LM12057B (Common Anode Row)
Selection Guide
Part No. Common Cathode Row LM12057AR LM12057AD LM12057AO LM12057AY LM12057AG LM12057AUR LM12057AUO LM12057AUA LM12057AUY LM12057AUG LM12057APG LM12057AUB LM12057AUW Unit: Common Anode Row LM12057BR LM12057BD LM12057BO LM12057BY LM12057BG LM12057BUR LM12057BUO LM12057BUA LM12057BUY LM12057BUG LM12057BPG LM12057BUB LM12057BUW \ Material GaAlAs GaAlAs GaAsP GaAsP GaP AlGaInP AlGaInP AlGaInP AlGaInP AlGaInP InGaN InGaN InGaN \ Chip Color Super Red Hi-Red Orange Yellow Green Ultra Red Ultra Orange Ultra Amber Ultra Yellow Ultra Green Pure Green Ultra Blue Ultra White \ WLD 627 627 610 588 568 627 610 605 595 573 525 470 \ nm 8 18 7 8 7 30 45 30 30 30 120 30 100 mcd Iv@IF=20mA One Dot Min. Typ. 10 25 9 10 9 45 60 45 45 45 300 45 120 mcd
SPEC NO: DS10121799 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
http://www.Datasheet4U.com
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Electrical Characteristics Color VF@ IF=20mA[2] Typ. Super Red Hi-Red Orange Yellow Green Ultra Red Ultra Orange Ultra Amber Ultra Yellow Ultra Green Pure Green Ultra Blue Ultra White Unit:
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.
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Datasheet of 1.20 inch 5x7 Dot Matrix LED Display
Electrical Characteristics & Absolute Maximum Ratings
Absolute Maximum Ratings[1] DC Forward Current 25 25 30 30 30 30 30 30 30 30 30 30 30 mA Peak Forward Current[3] 100 100 100 100 100 100 100 100 100 100 100 100 100 mA
Reverse Current VR=5V 30 30 30 30 30 30 30 30 30 30 30 30 30 uA
Power Dissipation 60 60 80 80 80 60 65 65 65 75 110 120 120 mW
Max. 2.2 2.2 2.5 2.5 2.5 2.6 2.6 2.6 2.6 2.6 4.0 4.0 4.0 V
Per Dot Per Dot Per Dot Per Dot Per Dot Per Dot Per Dot Per Dot Per Dot Per Dot Per Dot Per Dot Per Dot \
1.8 1.8 2.1 2.1 2.2 1.9 2.0 2.0 2.0 2.1 3.5 3.5 3.5 V
SPEC NO: DS10121799 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
http://www.Datasheet4U.com
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