9-88 series 5 5 8 single color & multicolor dot matrix led displays ltp-2058a/2158a 2458aa/2558aa package dimensions a. ltp-2058a/2158a features 2.3 inch (58.42mm) matrix height. low power requirement. single plane, wide viewing angle. 5 8 array with x-y select compatible with usascll and ebcdic codes. stackable vertically and horizontally. choices of two matrix orientation cathode row or cathode column. easy mounting on p.c. board. categorized for luminous intensity. single color displays have the choices of four bright colors-green/yellow/red orange/algaas red. multicolor displays are applicable to three bright colors : green, red orange and yellow (green and red orange mixed) description the ltp-2x58a series are 2.3 inch (58.42mm)matrix height 5 8 dot matrix displays. the ltp-2458aa/2558aa are multicolor applicable displays. the multicolor displays have gray face and white dots. the ltp-2058/2158a series are single color displays. the green, yellow, red orange and algaas red displays have gray face and white dots. the green series devices utilize led chips which are made from gap on a transparent gap substrate. the yellow and red orange series devices utilize led chips which are made from gaasp on a transparent gap substrate. the algaas red series devices utilize led chips which are made from aigaas on a non-transparent gaas substrate. notes : all dimensions are in millimeters(inches). tolerance : 0.25mm (0.01") unless other- wise noted. devices b. ltp-2458aa/2558aa part no. ltp- package dimension red orange anode column, cathode row cathode column, anode row anode column, cathode row cathode column, anode row 2058ae 2158ae multi color 2458aa 2558aa green 2058ag 2158ag internal circuit diagram description a b c d a a b b algaas red 2058ac 2158ac yellow 2058ay 2158ay
9-89 displays pin connection pin no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 a. ltp-2058a cathode row 6 cathode row 8 anode column 2 anode column 3*1 cathode row 5 anode column 5 cathode row 7 cathode row 3 cathode row 1 anode column 4 anode column 3*1 cathode row 4 anode column 1 cathode row 2 connection b. ltp-2158a anode row 6 anode row 8 cathode column 2 cathode column 3*1 anode row 5 cathode column 5 anode row 7 anode row 3 anode row 1 cathode column 4 cathode column 3*1 anode row 4 cathode column 1 anode row 2 pin no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 c. ltp-2458aa cathode row 6 green cathode row 6 red orange cathode row 8 green cathode row 8 red orange anode column 2 green anode column 2 red orange anode column 3 green anode column 3 red orange cathode row 5 green cathode row 5 red orange anode column 5 green anode column 5 red orange cathode row 7 green cathode row 7 red orange cathode row 3 green cathode row 3 red orange cathode row 1 green cathode row 1 red orange anode column 4 green anode column 4 red orange anode column 3 green anode column 3 red orange cathode row 4 green cathode row 4 red orange anode column 1 green anode column 1 red orange cathode row 2 green cathode row 2 red orange connection d. ltp-2558aa anode row 6 green anode row 6 red orange anode row 8 green anode row 8 red orange cathode column 2 green cathode column 2 red orange cathode column 3 green cathode column 3 red orange anode row 5 green anode row 5 red orange cathode column 5 green cathode column 5 red orange anode row 7 green anode row 7 red orange anode row 3 green anode row 3 red orange anode row 1 green anode row 1 red orange cathode column 4 green cathode column 4 red orange cathode column 3 green cathode column 3 red orange anode row 4 green anode row 4 red orange cathode column 1 green cathode column 1 red orange anode row2 green anode row2 red orange notes : 1. pin 4 & 11 are internally connected.
9-90 internal circuit diagrams a. ltp-2058a b. ltp-2158a c. ltp-2458aa b. ltp-2558aa absolute maximum ratings at ta=25 parameter average power dissipation per dot peak forward current per dot average forward current per dot derating linear from 25 per dot reverse voltage per dot operating temperature range storage temperature range solder temperature 1/16 inch below seating plane for 3 seconds at 260 -35 to +85 -35 to +85 notes : the sign " " stands for green color chips. the sign " " stands for red orange color chips. green red orange algaas red 36 100 13 0.17 5 36 100 13 0.17 5 36 125 15 0.20 5 unit mw ma ma ma/ v yellow 32 80 10 0.12 5
9-91 displays parameter average luminous intensity peak emission wavelength spectral line half-width dominant wavelength forward voltage, any dot reverse current, any dot luminous intensity matching ratio symbol i v p d v f i r i v -m min. 1780 typ. 4800 565 30 569 2.1 3.0 max. 2.6 3.7 100 2:1 unit test condition i p =80ma 1/16 duty i f =20ma i f =20ma i f =20ma i f =20ma i f =80ma v r =5v i f =10ma cd nm nm nm v v a parameter average luminous intensity peak emission wavelength spectral line half-width dominant wavelength forward voltage, any dot reverse current, any dot luminous intensity matching ratio symbol i v p d v f i r i v -m min. 1780 typ. 4800 630 40 621 2.0 2.6 max. 2.6 3.4 100 2:1 unit test condition i p =80ma 1/16 duty i f =20ma i f =20ma i f =20ma i f =20ma i f =80ma v r =5v i f =10ma cd nm nm nm v v a electrical/optical characteristics at ta=25 ltp-2058ag/2158ag & ltp-2458aa/2558aa(green) ltp-2058ae/2158ae & ltp-2458aa/2558aa(red orange) ltp-2058ac/2158ac test condition i p =80ma 1/16 duty i f =20ma i f =20ma i f =20ma i f =20ma i f =80ma v r =5v i f =10ma parameter average luminous intensity peak emission wavelength spectral line half-width dominant wavelength forward voltage, any dot reverse current, any dot luminous intensity matching ratio symbol i v p d v f i r i v -m min. 6300 typ. 12000 660 35 638 1.8 2.0 max. 2.4 2.7 100 2:1 unit cd nm nm nm v v a note: luminous intensity is measured with a light sensor and filter combination that approximates the cie (commision internationale de leclairage) eye-response curve. parameter average luminous intensity peak emission wavelength spectral line half-width dominant wavelength forward voltage, any dot reverse current, any dot luminous intensity matching ratio symbol i v p d v f i r i v -m min. 1780 typ. 4800 585 35 588 2.1 3.0 max. 2.6 3.7 100 2:1 unit test condition i p =80ma 1/16 duty i f =20ma i f =20ma i f =20ma i f =20ma i f =80ma v r =5v i f =10ma cd nm nm nm v v a ltp-2058ay/2158ay
9-92 typical electrical/optical characteristic curves (25 ambient temperatrue unless otherwise noted)
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