?? maximum ratings item symbol rating unit ? ? ?? topr. tstg. tsol. 0+85 -40+85 260 ta25 operating temp. storage temp. soldering temp. encoder mar.2014 ??` Y??d????gMi?????????H??? ? ?_J? the contents of this data sheet are subject to change without a dvance notice for the purpose of improvement. when using this p roduct, please refer to the latest specifications. 3 v 40 ma ?R ??R 1. YY?o holder? 1mmx??t=5sec. no icebound or dew for max 5 sec. at the position of 1mm from the resin edge forward current reverse voltage supply voltage *1 *1 input output i f v r v cc 7v ke2 22-018/45/09/15/18 *2 2. ke2 22 series L ? ???}C???? disc drive, copier, facsimile, printer ??2.0mm ?7.4mm _k?????? ????? ?(2?) ?????i ?? 18lpi/45lpi/90lpi/150lpi/180lpi features applications gap : 2.0mm hight : 7.4mm original cup disks are provided in pairs incremental output method digital output (2ch) built in pull-up resistor resolution : 18lpi/45lpi/90lpi/150lpi/180lpi ke-222 series are optical encoder which use an infrared led as a light source, by using in-ho use products for emitting components and detecting photo ic, establish both high-quality and high-cost performance, wit h a digital output and variation of resolutions, can be used in a wide range of applic ations. when combined with our cup disk(patent pending), cost reduction and saving space become possible through a reduc tion in the number of parts and assembling man-hours. : ?`???????? please check the latest version shown with an alphabet ke-222`?k??led??????`?k???ic u???|Ug?I????N???B??? ???????_kcupdisk(S)??????? pMp?????`???? ???? electro-opticalcharacteristics item symbol conditions min. typ. max. unit 1.6 ta25 820 2.7 60 0.4 vcc0.8 50 90 45 135 30 70 5 5.5 ?R ??R `??R ???R ?`?` ? forward voltage operating supply voltage range low level output voltage high level output voltage duty ratio phase difference *4 response requency input a-b a-b phase dt fmax v f p v cc v ol v oh i f =20ma v nm v v v % deg khz ?`k?L peak wavelength v cc =2.7 to 5.5v i f =20ma i f =20ma *3 y output *4 *4 *3 *3 *3 *5 *3 measurement conditiopn chart *6 ?? no reverce in phase difference x x 2min4max 2min scale g g1 a * * a:?scale?? a: direction of scale movement in output waveform of *4 t1 t2 *6 (unit : mm) 25 khz *7 *8 *7 ?90lpim?r tested by the resolution of 90 lpi and less *8 ?150lpim?r tested by the resolution of 150 lpi and over *5 duty ratio (dt) dt = t2/t1100 0deg *4 output waveform a phase b phase 1 2 3 4 v oh v ol 360deg
ke2 22 series mar.2014 Y??d????gMi?????????H??? ? ?_J? the contents of this data sheet are subject to change without a dvance notice for the purpose of improvement. when using this p roduct, please refer to the latest specifications. encoder ??` ke2 22-018/45/09/15/18 duty? / if duty? / scale (g1) if(ma) a duty b duty ? ? ? ? a duty b duty ? ? ? ? duty?phase/if dependency duty?phase/scale position(g1) dependenc y representative characteristics ?/?? structural chart block diagram 18lpi 45lpi 90lpi 150lpi 10k 10k 10k 10k resolution r l(pull up) 180lpi 10k 0 40 60 80 100 120 20 140 160 0 1015202530 5 3.85 4.85 5.35 5.85 4.35 0 40 60 80 100 120 20 140 160 scale position g1( m m ) duty dt(%),phase(deg) duty dt(%),phase(deg) b " c # " o $ b " . 1 7 p v u #
7 p v u "
7 d d ( / % 5 s 5 s $ p n q ) z t 3 - 3 - " . 1 $ p n q ) z t
ke2 22 series mar.2014 ? dimensions unit : mm Y??d????gMi?????????H??? ? ?_J? the contents of this data sheet are subject to change without a dvance notice for the purpose of improvement. when using this p roduct, please refer to the latest specifications. ?/a reference |?I/tokyo sales ?I/kyoto sales /overseas tel 03-6455-0280 fax 03-3461-1566 tel 0774-20-3559 fax 0774-24-1031 tel +81-(0)774-24-1138 fax +81-(0)774-24-1031 url http://www.kodenshi.co.jp encoder ??` ke2 22-018/45/09/15/18
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