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