lightkey spec no: ds10121804 rev: a.4 checked: emil y zhou approved: m.h. lin page: 1/3 http://www.ltkey.com tel: 0086-574-86322282 date: jul/20/2011 datasheet of 1.20 inch 8x8 dot matrix led display lm12088a/b series ? 1.20 inch 8x8 dot matrix led display features ? 32.00mm (1.20inch) digit high ? dot size: diameter 1.90mm ? pitch: 2.54mm ? wide viewing angle ? range of emitted colors ? i.c. compatible ? low power consumption ? white segment ? rohs compliant package dimensions 2.54*7=17.78 32.00 4.00*7=28.00 pin 1 3 2 . 0 0 4 . 0 0 * 7 = 2 8 . 0 0 6 . 3 0 0 . 5 0 3 . 0 8 . 0 0 col. 5 8 6 7 row 12 3 4 7 6 5 8 2 4 3 1 0.51 24.00 notes: 1. all dimensions are in millimeters (inches), tolerance is + 0.25mm (0.01inch) unless other wise noted. 2. specifications are subj ect to change without notice. 3. the gap between the reflector and pcb shall not exceed 0.25mm. attention observe precautions for handling electrostatic discharge sensitive devices available options ? alternative emitting luminosity: standard or high brightness version ? alternative emitted color ? alternative segment color ? alternative font ? common cathode is available ? cropped terminal pins
lightkey spec no: ds10121804 rev: a.4 checked: emil y zhou approved: m.h. lin page: 2/3 http://www.ltkey.com tel: 0086-574-86322282 date: jul/20/2011 datasheet of 1.20 inch 8x8 dot matrix led display internal circuit diagram lm12088a (common cathode row) lm12088b (common anode row) row row 8 5 1 5 6 7 2 7 4 3 12 8 8 5 6 7 4 3 pin col. no. pin 2 1 14 no. 9 1 13 3 2 4 3 10 4 6 5 7 15 11 6 16 8 2 1 5 1 7 2 8 12 no. pin 9 no. 14 col. pin 13 1 3 2 3 4 10 4 6 5 11 6 15 78 16 selection guide part no. chip iv@if=20ma one dot common cathode row common anode row material color wld min. typ. lm12088ar lm12088br gaalas super red 640 8 10 lm12088ad lm12088bd gaalas hi-red 640 18 25 LM12088AO lm12088bo gaasp orange 625 7 9 lm12088ay lm12088by gaasp yellow 588 8 10 lm12088ag lm12088bg gap green 568 7 9 lm12088aur lm12088bur algainp ultra red 640 30 45 lm12088auo lm12088buo algainp ultra orange 625 45 60 lm12088aua lm12088bua algainp ultra amber 65 30 45 lm12088auy lm12088buy algainp ultra yellow 595 30 45 lm12088aug lm12088bug algainp ultra green 573 30 45 lm12088apg lm12088bpg ingan pure green 525 120 300 lm12088aub lm12088bub ingan ultra blue 470 30 45 lm12088auw lm12088buw ingan ultra white \ 100 120 unit: \ \ \ nm mcd mcd
lightkey spec no: ds10121804 rev: a.4 checked: emil y zhou approved: m.h. lin page: 3/3 http://www.ltkey.com tel: 0086-574-86322282 date: jul/20/2011 datasheet of 1.20 inch 8x8 dot matrix led display electrical characteristics & absolute maximum ratings electrical characteristics [1] absolute maximum ratings [1] v f @ i f =20ma [2] color typ. max. reverse current vr=5v power dissipation dc forward current peak forward 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.
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