LightKey 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 Available options ¾ 39.10mm (1.20inch) digit high ¾ ¾ Dot size: Diameter 3.00mm ¾ Pitch: 4.6mm 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 COL. 1 2 3 4 5 ROW 1 3 39.10 4.60*6=27.60 2 4 5 6 7 PIN 1 00 3. 4.60*4=18.40 8.00 6.30 0.50 22.80 0.51 33.00 2.54*6=15.24 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 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 1.20 inch 5x7 Dot Matrix LED Display Internal Circuit Diagram LM12057A (Common Cathode Row) COL. 1 ROW PIN NO. PIN NO. 13 2 3 4 5 3 4 11 10 6 LM12057B (Common Anode Row) COL. ROW PIN NO. PIN NO. 1 9 1 9 2 14 2 14 3 8 3 8 4 5 12 4 5 12 5 1 5 1 6 7 6 7 7 2 7 2 1 2 3 4 5 13 3 4 11 10 6 Selection Guide Part No. Chip Common Common Cathode Row Anode Row Material Iv@IF=20mA Color One Dot WLD Min. Typ. LM12057AR LM12057BR GaAlAs Super Red 627 8 10 LM12057AD LM12057BD GaAlAs Hi-Red 627 18 25 LM12057AO LM12057BO GaAsP Orange 610 7 9 LM12057AY LM12057BY GaAsP Yellow 588 8 10 LM12057AG LM12057BG GaP Green 568 7 9 LM12057AUR LM12057BUR AlGaInP Ultra Red 627 30 45 LM12057AUO LM12057BUO AlGaInP Ultra Orange 610 45 60 LM12057AUA LM12057BUA AlGaInP Ultra Amber 605 30 45 LM12057AUY LM12057BUY AlGaInP Ultra Yellow 595 30 45 LM12057AUG LM12057BUG AlGaInP Ultra Green 573 30 45 LM12057APG LM12057BPG InGaN Pure Green 525 120 300 LM12057AUB LM12057BUB InGaN Ultra Blue 470 30 45 LM12057AUW LM12057BUW InGaN Ultra White \ 100 120 Unit: \ \ \ nm mcd 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 LightKey Datasheet of 1.20 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: 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