lite-on technology corporation property of lite-on only part no.: LTP-757KR-NB page: 1 of 5 bns-od-c131/a4 features 0.7 inch (17.22mm) digit height continuous uniform segments low power requirement excellent characters appearance high brightness & high contrast wide viewing angle solid state reliability categorized for luminous intensity lead-free package description the LTP-757KR-NB is a 0.7inch (17.22mm) matrix height 5 x 7 dot matrix display. this devi ce uses alingap super red led chips (alingap epi on gaas substrate). the display has black face and white dots. device part no. description alingap hyper red LTP-757KR-NB cathode column anode row
lite-on technology corporation property of lite-on only part no.: LTP-757KR-NB page: 2 of 5 bns-od-c131/a4 package dimensions notes: all dimensions are in millimeters. tolerances are 0.25-mm (0.01?) unless otherwise noted. internal circuit diagram
lite-on technology corporation property of lite-on only part no.: LTP-757KR-NB page: 3 of 5 bns-od-c131/a4 pin connection no. connection 1 cathode column 1 2 anode row 3 3 cathode column 2 4 anode row 5 5 anode row 6 6 anode row 7 7 cathode column 4 8 cathode column 5 9 anode row 4 10 cathode column 3 11 anode row 2 12 anode row 1
lite-on technology corporation property of lite-on only part no.: LTP-757KR-NB page: 4 of 5 bns-od-c131/a4 absolute maximum rating parameter maximum rating unit average power dissipation per dot 40 mw peak forward current per dot 90 ma average forward current per dot derating linear from 25 0 c per dot 15 0.2 ma ma/ 0 c reverse voltage per dot 5 v operating temperature range -35 0 c to +85 0 c storage temperature range -35 0 c to +85 0 c soldering conditions : 1/16 inch below seating plane for 3 seconds at 260 0 c electrical / optical characteristics at t a =25 o c parameter symbol min. typ. max. unit test condition average luminous intensity i v 630 1732 cd i p =32ma , 1/16duty peak emission wavelength p 639 nm i f =20ma spectral line half-width ? 20 nm i f =20ma dominant wavelength d 631 nm i f =20ma forward voltage per dot v f 2.0 2.6 v i f =20ma reverse current per dot i r 100 a v r =5v luminous intensity matching ratio (similar light area) i v -m 2:1 i p =32ma , 1/16duty note: luminous intensity is measured with a light sensor and filter combination that approximates the cie (commision internationale de l?eclairage) eye-response curve.
lite-on technology corporation property of lite-on only part no.: LTP-757KR-NB page: 5 of 5 bns-od-c131/a4 typical electrical / optical characteristic curves (25 o c ambient temperature unless otherwise noted)
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