AMIS-710310-dr: 300dpi two-level digital output module data sheet 1.0 general description t he AMIS-710310- dr (pi31 0 mc-dr) is a contact im a g e sensor (cis) modu le w i t h a n ad ditio n a l o n -bo a rd circ uit that dig i tizes the ana log pi xels f r om the cis i m age s ensor t o a ?b ackgro u nd-tracki ng?, tw o - lev e l dig i tal output si gn al. t he module uses mos im age sensor tech nol og y t o gai n hi g h -spe ed p e rformance a nd hi g h sensit iv it y . t he amis-710 3 10-dr is su ita b le for scan n in g docum ents w i th w i dths of 89m m and w i th r e soluti ons of 11 .8 dots p e r mil limeter ( dpm). it has bro ad a pplic atio ns b u t is spec ifical l y desi gne d f or t h e fo l l o w i ng a r ea s: ? w here data co mpressio n is re quir ed, such as in data transm i ssions. ? w here comp on ent pin- out cou n t must be kep t to a minimum . t he backgro u nd-tracki ng-d i g i tizing circu i ts i n the amis-71 031 0-dr hav e be en r e ferred to as th e ? d ynamic thr e sh ol d? t w o-l e ve l a/ d converter. f o r the purp o se of descr ibi ng t he m odu le?s c haracter i stics, this ?d yn amic thresho l d? pro c essin g circ uit shal l here i n be referred to as the ?trackin g di gitizer?. 2.0 key features ? lig h t source, le ns and se nsor are inte grate d i n to a sing le mo dul e ? 11.8d pm resol u tion, 89mm sc ann ing l e n g th ? up to 423 sec/ line sc ann in g spee d, w i t h 2.5 m hz pi xel rat e (see t able 3, note 3) ? wide dy namic range t w o-lev e l tracking digita l output (?dy n amic t h reshold digitiz er?) ? standar d yel l o w - g re en li ght s ource (oth er co lors are av ail a b l e) ? compact size ? 13mm x 25.6mm x 102mm lo w po w e r ? lig h t w e ig ht 3.0 module description f i gure 1: b l ock diagram of a m i s - 710310- dr 1 a m i se m i co nd uc t o r ? ma y 06, m - 20566 -001 www.amis.com
AMIS-710310-dr: 300dpi two-level digital output module data sheet t he amis-710 310- dr m odu l e co nsists of 1 1 se nsors th at are c a scad e d to pr ovid e 1 0 5 6 ph oto-det ector s w i th t heir ass o ciate d mu ltip le x s w itc hes a nd a digital sh ift register that cont rols its sequ en tial rea dout. mounte d in the modu le is a on e-to-on e grad e d -in d e x e d micr o lens arra y th at focuses the scann ed doc um ent s to image onto its sensi n g pla ne. a buffer amplifi e r am plifies th e vide o pi xels fr om the imag e se nsors an d p a sses t h em to th e a nal og dig i tizin g cir c uit, w h ere v i d eo pi xe ls ar e c onverte d to di gital s i g nal a n d p a ssed t o the output of the m odu le. see f i g u re 1. illumin a tio n is accomp lish ed b y m eans of an integr ated l e d lig ht sourc e . all comp one nts are ho use d in a smal l pla s tic housi ng w i t h a cover g l ass w h ich acts as th e focal p o int for t he o b ject bei ng scann ed and protects the im agi ng arr a y , th e micro l ens as sembl y , a nd th e led li ght sourc e from dust. t he pictori a l of the am is-7103 1 0 -dr cross se ction is sho w n i n f i gure 2. f i gure 2: i n side p i ctorial of the module i/o to the module is an 8- pin flex c a ble c o nnector (s ee i/o connect o r, un der s pecific ations) locat ed on one end of t he m o dule. t he conn ector is o n the to p of th e mod u l e w i th the gl ass w i nd o w faci ng do w n an d it is loc a ted o n the op p o site si de of th e mod u l e (s ee the mecha n ica l ho usin g un der mecha n ica l structure). 2 a m i se m i co nd uc t o r ? ma y 06, m - 20566 -001 www.amis.com
AMIS-710310-dr: 300dpi two-level digital output module data sheet 4.0 circuit description and operation f i gure 3 is a s i mplifie d b l ock dia g ram of th e ana log track i n g di gi tizer. f u n dame n tall y, th e trackin g di giti zer transforms the s ig nal outp u t from an e x istin g cis mod u le on the m a rket toda y. it takes the an alo g si g nal from th e ci s section of amis-7103 10-d r an d der ives a tracking back g roun d ref e renc e si gna l. t hen this refer enc e i s comp ared a g a inst th e outp u t sign als fr om t he cis secti o n . t he resu lti n g sign al from thi s comp ariso n prod uces a t w o-lev e l dig i tal s i gn al th at is hi gh w h e n th e p i xe l si gn al is br ighter than the back g ro un d and remains at zero as lon g as th e sign al is d a rker than the b a c k grou nd sig n a l . f i gure 3: a nalog signal r e ference ge nerator and a s i ngle b it comparator f i gure 1 de pict s the t w o b a si c circuits, th e cis (imag e s e nsors and vi de o am plifi e r) a n d the trackin g digitiz e r. in th e cis sec ti on, t he modu le h a s 1 1 serial l y co ncat enate d amis-7 200 03 0 (pi301 2a) imag e se n s ors, accord ing l y , the ima ge s ensors w i ll s p a n on e scan n i n g - read l i ne w i dth that is 11 sens or times 96 pi xe l el ements/se nsor, or 105 6 p i xel el eme n ts. in oper ation, t he mod u l e pro duces th e an al og ima ge p i xe l signa ls that ar e prop ortio nal to the e x p o sur e on the c o rre spon din g pic tur e elem ent o n the docum ent (the vide o si gna l), then passes th e sig nal to the tracking di gitiz e r. in turn, the digitiz e r pr oces ses the ana lo g imag e pi xels to dig i tal im ag e pi xels. t he a nal og im age pi xe ls, at test point t v , are separ ated i n to tw o sig n a l s. one g ener ates the referenc e sig n a l an d the othe r remains unm odi fi ed. t hese unmo d ifie d im age pi xe ls are app lie d to on e of the in puts of the comp ar ato r . t he reference sign al is ap pli e d to the seco n d in put of th e c o mpar ator. t h e resu lts of the com par ison ar e the dig i tal im age pi xe ls. t h is digit a l o u tput is produc ed i n tw o lev e ls, dete rmined b y t he diffe renc e bet w e e n the back g rou nd refer e n c e sign al a nd t he an al og i mag e pi xels. a di gita l pixel o u tput v a lu e of ? one? r epres ents the ana log im ag e pi xel th at is bri ghter tha n the backgr oun d an d dig i ta l p i xel l e vel valu e of ?zero? repres ents the imag e pi xe l tha t is darker than backgro un d. 3 a m i se m i co nd uc t o r ? ma y 06, m - 20566 -001 www.amis.com
AMIS-710310-dr: 300dpi two-level digital output module data sheet 5.0 specifications 5.1 i/o co nnector t he pins and t heir functi ons a r e listed i n t able 1. table 1: pin con f iguration pin number sy mbo l names a nd fu n c tion s 1 digout digital video output 2 vdd (+5v) grou nd; 0v 3 vn (-10 to -5v) negative po w e r supply 4 sp sp for the shift r egister 5 g r d grou n d ; 0 v 6 clock clock for the shift register 7 gled return fo r the le d light source 8 vled power in for t he led light source t he connector is an 8 pi n 1m m surface mou n t flex i nput, mole x 5 2 2 07-0 8 90. 5 . 2 inpu ts t here are five inputs: ? clock is o n pin 6 of the i/o connector. t h is is the main clock input into th e cis modul e. ? sp is on pin 4. t h is is the star t clock input to the cis modul e. ? vdd is on pi n 2. t h is is a + 5v suppl y. ? vn is on pin 3. t h is is a -10 to -5v supp l y . ? vled is on pi n 8. t h is is a + 24v supp l y for t he led l i ght so urce. note: the pow er return for the led lig ht sour ce is gl ed on pin 7 and the gr ound re turn for the cis module s is pin 5. 5 . 3 vide o o u tpu t digou t is on pin 1 of the i/o connector. t h is is the digital vide o output from the ci s module. reflection off the dark t a rget p ro du ce s a digit a l si gna l of ?0? leve l, w h i l e the w h ite refle c tion off the w h ite target pr od u c es a d i gita l le vel of ?o ne?. t he amp litud es o f the w h ite an d dark are l i sted i n t able 2. 6.0 electro-optical characteristics at 25 c table 2: electro- optical characte ristics at 25 c parameter sy mbo l parameter units note number of photo detectors 1056 elements pixel-to-pixel spacing 84.7 m line scanning rate tint (1 ) 528 sec @ 2.0mhz clock frequenc y clock frequenc y f 2.0 mhz bright output dark output digital video output signal >3.2 <0.8 v v note: (1) the tint i s spe c ified w i th a 2.0mhz clock fr equen cy . in ope ration , th e time con s tan t s in the re fere nce gene rato r are set to ma tch the ini t i a l ex posure time , h ence the time con s tan t w ill determine the op ti mum integra t ion ti me. note that the integ r ati on time i s also a fun c tion o f the cl ock frequ en cy . accordin gly , it is hi ghl y recommended that the parameters be facto r y adjusted for the spe c i f ic appl ica t ions. 4 a m i se m i co nd uc t o r ? ma y 06, m - 20566 -001 www.amis.com
AMIS-710310-dr: 300dpi two-level digital output module data sheet table 3: recom m ended operati ng conditions (2 5c) item sy mbo l min. mean max. units vdd 5.0 v v n . - 1 0 - 5 v vled 24 (1 ) v i d d 2 5 m a ivn 10 ma power suppl y i l e d 8 5 m a input voltage at d i gital high vih vdd-1.0 vdd-.5 vdd v input voltage at d i gital low vil 0 0.8 v clock frequenc y f 2.5 mhz clock pulse high dut y c y cle 25 % clock pulse high duration clock 100 (2 ) ns integration time tint 0.423 (3 ) m s oper ating tempe r ature top 25 50 c notes: (1) vled sour ces are also av ailable in 5v . (2) clock pul se high is spe c ifie d a t 2.5mh z a t 25 p e rcent du ty . (3) the tint i s sp eci f ied w i th a 2.5mhz clo ck freque ncy . in o peration , the time constants in the refe rence gene rato r ar e set t o match the i n itial ex posure time, hence the time con s ta nt w ill determine th e op tim u m inte grati on time . a c cord ingly , i t is h i ghly recommended tha t the par ameter s be factory a d j us t e d f o r t h e s p ec if ic a p p l i c at i o ns . 7.0 sw itching characteristics (25c) t he s w itching character i stics for the i/o cl ocks are sho w n in figure 4. the timing parametric values and t heir s y m b ols ar e give n in t able 4. f i gure 4: module timing diagram 5 a m i se m i co nd uc t o r ? ma y 06, m - 20566 -001 www.amis.com
AMIS-710310-dr: 300dpi two-level digital output module data sheet table 4: s w itching paramete r and timing s y mbol definition sy mbo l min. t y pical max. units clock cy cle time to 0 . 5 0 s clock pulse w i dth tw 100 ns clock duty c y cle 25 50 % prohibit crossing time of sp tprh 15 ns data setup time tds 20 ns data hold time tdh 20 ns signal delay time tdl 50 ns signal settling time tsh 120 ns digital signal dela y tddl 60 ns digital signal off dela y tdodl 300 ns table 5: absolut e maximum rati ngs parameter sy mbo l s maximu m ra tin g units vdd 10 v i d d 5 0 m a vn -15 v i n 3 0 m a vled 26 v power suppl y vol t age i l e d 1 0 0 m a input clock pulse (high level) vih vdd ? 0.5 v input clock pulse (low level) vil -0.8 v table 6: operati ng environment parameter sy mbo l s maximu m ra tin g units oper ating tempe r ature top 0 to 50 0 c oper ating humidit y hop 10 to 85 % storage temp era t ure tstg -25 to+75 0 c storage humidit y hstg 5 to 95 % 6 a m i se m i co nd uc t o r ? ma y 06, m - 20566 -001 www.amis.com
AMIS-710310-dr: 300dpi two-level digital output module data sheet 8.0 setup and adjustments 8 . 1 the cloc k ra te a nd inte gra t ion time t h is w a s factor y set to a speci f ic appl icatio n. see note 1 u n der t able 2. t he clock frequenc y w a s set to 2.4mhz. t he total integr ation time w a s set to 560 sec. 8 . 2 the re quire d po w e r t he required p o w e r is sli ghtl y greater th a n th e specifi ed val ues in t able 3. 8.2.1. circuit pow e r ? positive supply: +5v @ 25ma ? neg a tive su ppl y: -10v @ 10ma ? led po w e r: + 24v @ 90m a 8.3 a d ju stmen t s 8.3.1. genera l locati on of t e s t, adjustme nt and m onitor po ints f i gure 5: a m i s - 710310- dr p c b mo nitor and test p o ints 7 a m i se m i co nd uc t o r ? ma y 06, m - 20566 -001 www.amis.com
AMIS-710310-dr: 300dpi two-level digital output module data sheet f i gure 5 sh o w s the p i ctoria l l a yout of the c o ntrols a nd t he t e st s poi nts. t h ese a d j u stment pote n tiometer s and the test poi nts a re s h o w n relativ e to the conn ector and to th e output pads for led l i ght po w e r. t h is is a bird ?s e y e vi e w of th e pcb?s backsi d e w i t h th e glas s w i nd o w of the modu le facin g do w n on the d o cume nts. t he test point l abe led t v is for the a n a l og im age pi xels, j u st as it is pr od uc ed at the outp u t of the cis arr a y secti on and pri or to its entry into the tracking digitizer circuit. t he test point labe led t r is the out put of the tracking refer e nce lev e l from the trackin g di gi tizer circuit. t he test point labe led t v d is the di g i tal o u tp ut from the comparator. offset adjust, r18, is a screw driver adjust ment potentiometer that is a ccessed through adjustment hole as vie w ed in figure 5. gain ad just, r16, is a scre w driver a d just m ent pote n tiome t er that is accessed throu gh t he ho le as it is vie w e d in f i g u r e 5. 8.3.2. t here are only t w o adjustme nts t hese adjustm ents w i l l be pre - adj usted to th e customer?s s pecific a p p lic ati on at the factor y; ther ef ore i n gen eral, further adj u s tme n t s w ill not b e r e q u ire d b y t h e us er. t e st point t v is prob ed w i t h a sco pe to monitor the an alo g im ag e p i xel leve ls. t h e pro b e sho u l d b e grou nde d as cl ose to th e cis modu le as p o ssible. if p o ssi ble, the pro be shou ld be p l ac ed ri ght o n the grou nd inp u t l ead, pi n 5, of the i/o connector. anal og zero si gna l adj ust (of f s et adj) i s sho w n i n f i g u re 5. t h is potentiom e ter is a d juste d to plac e the dark lev e l of the an al og imag e pi xe l sig nal to ap pro x i m atel y ?0.9 to ?0.7v. norma ll y, this is ad just ed w i th intended targets. anal og g a in ad just, ?gain?, is adjuste d gr e a t e r than 2.0 an d less tha n 3.5 v w i t h t he cis image d on a standar d w h ite target, sim il ar to the stand ard w h ite cop y or t y p i ng p a p e r. 8 a m i se m i co nd uc t o r ? ma y 06, m - 20566 -001 www.amis.com
AMIS-710310-dr: 300dpi two-level digital output module data sheet 9.0 mechanical structure f i gure 6: mechanical structure f i gure 6 is a p i ctorial of the a m is-7103 10-d r . it sho w s the mechan ical d i mensi ons of the hous ing a nd its mountin g ho le loc a tion s. t he ?inactiv e zones ? are the sector s w i th out ima g i ng sens ors. 9 a m i se m i co nd uc t o r ? ma y 06, m - 20566 -001 www.amis.com
AMIS-710310-dr: 300dpi two-level digital output module data sheet 10.0 company or product inquiries for more infor m ation abou t ami semiconductor, our techn o lo g y an d our prod uct, visit our w eb site at: http:// w w w . amis.com north americ a t e l: + 1 .208.23 3.469 0 f a x: + 1 .208.2 3 4 .679 5 europe t e l: + 32 (0) 55.33.22.1 1 f a x: + 32 (0) 55 .31.81.1 2 pr oducti on t e c hni cal d a ta - t h e i n for m a t i on contai ned i n t h i s doc u men t a ppl i e s t o a pr o d uct i n pr oduc ti on. am i semi c ond uctor an d it s su b s id ia rie s (?a mi s ?) ha v e m a de e v e r y e f f o rt to e n s u re that the i n f o r m ati on i s accur a te an d r e l i abl e. h o w e v e r , the ch ar act e r i sti cs and sp eci f i c ati o ns o f the pr o d uct ar e s u bj ect to c h ang e w i tho u t n o ti ce and th e i n for m ati o n i s pr ov i ded ? a s is? w i thout w a r r anty of any ki nd ( e x p r e ss or i m pl i ed) . c u s t om er s ar e adv i s ed to obtai n th e l a t e st v e r s i on o f r e l e v ant i n for m a t i o n to v e r i f y that dat a b e ing r e lied on is th e mos t cur r ent an d co mple te. am is r e ser v es the r i g h t to di sconti n ue pr oduc ti on a nd ch ang e s peci f i c ati o ns an d pr i c es at any ti me and w i thout n o ti ce. pr oduc ts sol d by am is ar e c o v e r ed by the w a r r a nty and pat e nt i n de mni f i c ati on pr ov i s ions a p p ear i n g i n i t s t e r m s o f sal e onl y . am i s m a kes no oth e r w a r r anty , ex pr ess or i m pl i e d, a n d di scl ai m s t h e w a rra n t ie s of no n i nf rin g em e n t, m e rcha n t a b ility , o r f i tn e s s for a par ti cul a r p u r pos e. am i se mi con duct o r ' s pr oduc ts ar e i n te nde d f o r use i n or di n a r y comm er ci al ap pl i c ati o ns. these pr od uc ts ar e n o t d e si g n ed, aut hor i z e d, or w a r r anted to be s u i t abl e f o r use i n l i fe- s upp or t sy stems or ot her cr i t i c al a p p l i c ati ons w her e mal f u n cti on may caus e p e r s onal i n j u r y . incl usi o n o f am is pr o d u cts i n su ch ap pl i c ati o ns i s un de r s tood to be ful l y at the custo m er ? s r i sk. a ppl i c ati ons r e q u i r i n g ex tend ed t e m per at ur e r a ng e, oper ati on i n un usu a l e n v i r o nment al co ndi ti on s, or hi g h r e l ia b ility , such a s m ilita r y o r m e d i ca l life - su p p o r t, a r e specif ica lly not r e c o m m e n d ed w i thout addi ti onal pr ocessi ng by am is f o r suc h a p pl i c ati o ns. c o py r i g h t ? 20 06 am i se mi co nd uctor , i n c. 10 a m i se m i co nd uc t o r ? ma y 06, m - 20566 -001 www.amis.com
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