1/4 www.rohm.com c 2011 rohm co., ltd. all rights reserved. 2011.03 - rev.b ultra-small contact image sensor heads, covering the character recognition LSH2001-AA10A easy to mount on whatever sets because of its small size, this is the device best suitable for whatever detecting thanks to its deep focus point and high recognition accuracy. ? applications detection sets (e.g. surface, paper edge, paper type) ? features 1 its deep focus point enables scanning of the object without cl ose contact to the glass bed of scanner, so that both the scanned object and the scanner bed won t be damaged. 2 screw holes and the alignment pin are provided for convenience of mounting. 3 16.25mm read width (40mm total width) ? dimensions (unit : mm) pin no. pin no. signal signal no.1 no.2 no.3 no.4 no.5 no.7 no.8 no.9 no.6 gnd ao gnd gnd g-led v-led clk si gnd no.10 gnd no.11 vdd (connector no.) housing : shr-11v-s-b base : sm11b-srss-g-tb (note 1) deflection at the top of glass : 0.5 (note 2) it is possible to design 0.2 tolerance. 40 0.5 9.2 0.5 13.45 35 4 ? c0.5 4 ? r1 2.5 3 3.25 9.2 8 29 16.25 2 ? 2.4 +0.1 0 2 ? 1.5 0 -0.1 2 ? 1.5 0 -0.1 (reading width) scanning line no.130 pixel 12.68 (focus point) 8.18 (focus point) 11.68 (surface level) 7.18 (surface level) no.1 pixel paper feed direction max.15 (2.5) no.11 no.1 14 6
2/4 www.rohm.com c 2011 rohm co., ltd. all rights reserved. 2011.03 - rev.b data sheet LSH2001-AA10A ? characteristics parameter slt clk 16.25 200 128 3.3 0.1 8 mm dpi dots v ms / line mhz symbol typ. unit ? ? ? v dd effective scanning width primary scan dot density total dot number power supply voltage scanning speed clock frequency 0.5 v vrmin. 1.0 v vrmax. maximum dynamic range minimum dynamic range 5 to 45 c ? 0.8 0.1 v vod dark output operating temperature ? pin assignments gnd circuit gnd no. ground analog output ground led ground led power supply start pulse clock 1 2 3 4 5 6 7 i o i i i i i / o functions ao v-led clk 8i sp ground 9i gnd reference voltage i v ref r-gnd power supply ground 10 i gnd 11 i v dd 12 ? nc
3/4 www.rohm.com c 2011 rohm co., ltd. all rights reserved. 2011.03 - rev.b data sheet LSH2001-AA10A ? timing chart (a) clk timing chart thold tsetup 50% 50% 50% 50% 50% 1/fclk twclk twclk ts clk si ao 1pixel 2pixel 50% (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. clk sp ao 1 2 65 66 67 208 vref output period (64pixels) note) output blank part cannot be used as the analog output standard level. analog output period 1 to 64clock 1 to 144pixels
4/4 www.rohm.com c 2011 rohm co., ltd. all rights reserved. 2011.03 - rev.b data sheet LSH2001-AA10A ? inner circuit v dd gnd sp clk 1 f x 1 144 1 analog memory circuit v led v ref r gnd ao ? peripheral circuit 562 118 c3 c1 r1 r2 ao v dd v ref sp clk gnd vled r-gnd r 7 1,3,9,10 c4 c5 r3 c2 ? r1=r2=100 r3=100k c1=c5=47 f c2=100pf c3=100 f, c4=0.1 f please adjust the value of resistance to fit your interface circuit. 4 contact image sensor heads
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