lite-on technology corporation property of lite-on only part no.: LTP-2157AKS page: 1 of 5 bns-od-c131/a4 features 2.0 inch (50.8 mm) matrix height. low power requirement. excellent characters appearance.. high brightness & high contrast. 5 7 array with x-y select. high brightness & high contrast. solid state reliability. lead-free package(acco rding to rohs) description the LTP-2157AKS is a 2.0 inch (50.8 mm) matrix height 5 7 dot matrix display. this device utilizes alingap yellow led chips, which are made from alingap on a non-transparent gaas substrate, and has a black face and white dot color. device part no. description alingap yellow LTP-2157AKS cathode column anode row
lite-on technology corporation property of lite-on only part no.: LTP-2157AKS page: 2 of 5 bns-od-c131/a4 package dimensions notes: 1. all dimensions are in millimeters. tolerances are 0.25 mm unless otherwise note. 2. pin tip?s shift tolerance is 0.4 mm. internal circuit diagram
lite-on technology corporation property of lite-on only part no.: LTP-2157AKS page: 3 of 5 bns-od-c131/a4 pin connection no. connection 1 anode row 5 2 anode row 7 3 cathode column 2 4 cathode column 3*1 5 anode row 4*2 6 cathode column 5 7 anode row 6 8 anode row 3 9 anode row 1 10 cathode column 4 11 cathode column 3*1 12 anode row 4*2 13 cathode column 1 14 anode row 2 notes: 1. pin 4 & 11 are internally connected. 2. pin 5 & 12 are internally connected.
lite-on technology corporation property of lite-on only part no.: LTP-2157AKS page: 4 of 5 bns-od-c131/a4 absolute maximum rating at ta=25 o c parameter maximum rating unit average power dissipation per dot 70 mw peak forward current per dot 60 ma average forward current per dot derating linear from 25 per dot 25 0.28 ma ma/ reverse voltage per dot 5 v operating temperature range -35 to +105 storage temperature range -35 to +105 soldering conditions: 1/16 inch below seating plane for 3 seconds at 260 0 c or of temperature unit (during assembly) not over max temperature rating above . electrical / optical characteristics at ta=25 o c parameter symbol min. typ. max. unit test condition average luminous intensity i v 2100 3600 cd i p =32ma 1/16duty peak emission wavelength p 588 nm i f =20ma spectral line half-width ? 15 nm i f =20ma dominant wavelength d 587 nm i f =20ma forward voltage per segment v f 2.05 2.6 v i f =20ma reverse current any dot i r 100 a v r =5v luminous intensity matching ratio (similar light area) i v -m 2:1 i f =1ma 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-2157AKS page: 5 of 5 bns-od-c131/a4 typical electrical / optical characteristic curves (25 o c ambient temperature unless otherwise noted)
|
