1/3 www.rohm.com c 2011 rohm co., ltd. all rights reserved. 2011.03 - rev.b contact image sensor heads for card-compatible LSH2002-AA10A rohm?s LSH2002-AA10A contact image sensor heads utilizes a special ceramic subs trate featuring s uperior dimensional precision and thermal dissipation characteri stics, resulting in stable reading, ev en under fluctuating am bient temperature conditions. a unique prism, developed using t he latest in optical technology, ensures simultaneous uniform light output and low light radiation to the media. in additi on, bidirectional reading capability enables greater flexibility regarding carrier orien tation. ? applications image scanners (i.e. business card), detection se ts (e.g. surface, paper edge, paper type) ? features 1 25in/s (635mm/s) r ead speed (monochrome) 2 bidirectional reading capability 3 54mm read width (70mm total width) 4 color light source (switchable) ? dimensions (unit : mm) pin no. signal (note 2) socket housing:il-z-9s-s125c3(jae) socket contact:il-z-c3-a-15000(jae) (note 1) deflection at the top of glass:0-0.25 projection to platen is positive. pin no. signal no.1 no.2 no.3 no.4 no.5 no.7 no.8 no.9 no.6 clk sp v dd gnd ao rled gled bled vled no.1 no.9 5.5 max.2.3 max.1.5 max.13.25 17.5 12.5 2.5 5.5 10.42 70 35 15.5 25 54(effective scanning width ) (depth1)
2/3 www.rohm.com c 2011 rohm co., ltd. all rights reserved. 2011.03 - rev.b data sheet LSH2002-AA10A ? characteristics parameter slt clk 54 200 432 3.3 0.2 3 4 0.5 0.2 1.2 0.4 5 to 45 mm dpi dots v ms / line mhz v v v c symbol typ. unit vrmin. vrmax. ? ? ? ? vod v dd effective scanning width primary scan dot density total dot number power supply voltage scanning speed clock frequency maximum dynamic range (v dd =5v) 0.4 v vrmax. maximum dynamic range (v dd =3.3v) minimum dynamic range (v dd =3.3v) 0.25 v vrmin. minimum dynamic range (v dd =5v) dark output (v dd =5v) 0.8 0.4 v vod dark output (v dd =3.3v) operating temperature ? pin assignments v dd circuit clk no. clock start pulse power supply analog output led ground led ground led ground 1 2 3 4 5 6 7 i i i o i i i / o functions sp rled gled 8i bled led power supply 9i vled ground i gnd ao ? timing chart (a) clk timing chart thold tsetup 50% 50% 50% 50% 50% 1/fclk twclk twclk ts c lk s p a o 1pixel 2pixel
3/3 www.rohm.com c 2011 rohm co., ltd. all rights reserved. 2011.03 - rev.b data sheet LSH2002-AA10A (b) data output timing chart after turning on the sp pulse, the analog output shape st arts from the setting up point of 65 clock pulse. note) output blank part cannot be used as the analog output standard level. c lk s p a o 1 2 52 53 54 64 65 66 v ref output period (52pixels) vdummy analog output perio d 1 to 52 pixels 53 to 64pixels 1 to 432pixels ? inner circuit v dd g nd sp vout clk 1 f x 2 1 f 432 200 75 1 f v dd v ref 1 analog memory circuit v led b gnd g gnd r gnd ? peripheral circuit 87695 32 c3 c1 r1 r2 a v dd sp clk gnd vled led bgr gnd 14 c4 c2 ? r1=r2=100 c1=47 f, c2=100pf c3=100 f, c4=0.1 f ? please adjust the value of resistance to fit your interface circuit.
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