lite-on dcc release lite-on technology corp. / optoelectronics no.90,chien 1 road, chung ho, new taipei city 23585, taiwan, r.o.c. tel: 886-2-2222-6181 fax: 886-2-2221-1948 / 886-2-2221-0660 http://www.liteon.com/opto led displayproduct data sheetLTC-2721JD spec no.: ds30-2000-423effective date: 10/29/2001revision: - bns-od-fc001/a4 bns-od-fc001/a4 bns-od-fc001/a4 bns-od-fc001/a4
lite - on electronics, inc. property of lite - on only pa rt no.: ltc - 2721jd page: 1 of 5 bns - od - c131/a4 features 0.28 inch ( 7 mm) 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. description the ltc - 2721jd is a 0.28 inch ( 7 mm) digit height triple digit seven - segment display. this device utilizes alingap high efficiency red led chips, which are made from alingap on a non - transparent gaas substrate, and has a gray fa ce and white segments. device part no. description alingap hi - eff. red multiplex common cathode rt. hand decimal ltc - 2721jd
lite - on electronics, inc. property of lite - on only pa rt no.: ltc - 2721jd page: 2 of 5 bns - od - c131/a4 package dimensions notes: all dimensions are in millimeters. tolerances are ? 0.25 mm (0.0 1) unless otherwise noted. internal circuit diagram
lite - on electronics, inc. property of lite - on only pa rt no.: ltc - 2721jd page: 3 of 5 bns - od - c131/a4 pin connection no connection 1 anode d 2 common cathode (digit 1) 3 anode dp 4 anode e 5 common cathode (digit 2) 6 anode c, l3 7 anode g 8 common cathode (digit 3) 9 no connection 1 0 no pin 11 no pin 12 anode b, l2 13 common cathode l1, l2, l3 14 no pin 15 anode a, l1 16 anode f
lite - on electronics, inc. property of lite - on only pa rt no.: ltc - 2721jd page: 4 of 5 bns - od - c131/a4 absolute maximum rating at ta=25 o c parameter maximum rating unit power dissipation per segment 70 mw peak forward current per segment ( 1/10 du ty cycle, 0.1ms pulse width ) 90 ma continuous forward current per segment derating linear from 25 per segment 25 0.33 ma ma/ reverse voltage per segment 5 v operating temperature range - 35 to +85 storage temperature range - 35 to +85 solder temperature: max 260 for max 3sec at 1.6mm below seating plane. electrical / optical characteristi cs at ta=25 o c parameter symbol min. typ. max. unit test condition average luminous intensity i v 200 600 ? cd i f =1ma peak emission wavelength ? p 656 nm i f =20ma spectral line half - width ? ? 22 nm i f =20ma dominant wavelength ? d 640 nm i f =20ma forwar d voltage per segment v f 2.1 2.6 v i f =20ma reverse current per segment i r 100 ? a v r =5v luminous intensity matching ratio i v - m 2:1 i f =1ma note: luminous intensity is measured with a light sensor and filter combination that approximates the cie (co mmision internationale de leclairage) eye - response curve.
lite - on electronics, inc. property of lite - on only pa rt no.: ltc - 2721jd 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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