1/3 www.rohm.com c 2011 rohm co., ltd. all rights reserved. 2011.03 - rev.b contact image sensor heads for narrow-width scanners LSH2004-AA10A equipped with the sensor chips that have built-in analog memory, this compact color contact image sensor heads is suitable for any scanning applications that require rapid scanning of widths of up to a6. it best fits into the photo graphic applicatio ns. ? applications check readers, card scanners, and a va riety of other image input devices. ? features 1) by integrating the signal amplifier on the sensor chip, external noise is shut out. additionally, newly developed analog memory circuit and realizes high speed scanning. 2) the led light source is mounted on t he same substrate as the sensor chip which makes it possible to package the device with lighter weight and an extremely small size. 3) with the proprietary prism(reflectors), the output signal is maintained uniformly. 4) the ceramic substrate is used for excellent dimensional accuracy and thermal stability. variation and maximize the image re-productivity. ? dimensions (unit : mm) 2.5 (10.4) max. 1.5 108(effective reading width:104) (3.8) max.2 pin no. pin no. signal signal no.1 no.2 no.3 no.4 no.5 no.6 no.7 ao gnd si clk v dd gled a l c no.7 no.1 no.1 pixel vled note) deflection at the top of glass : 0 to 0.25 projection to platen is positive socket housing : il-z-7s-s125c3(jae) socket contact : il-z-c3-a-15000(jae) 119.5 0.3 0.25 17.5 12.5 0.05 25 1 15.5 1 5 0.1 2 0.05 10.36 0.4 0.3 5.5 5.5 0.3 depth1
2/3 www.rohm.com c 2011 rohm co., ltd. all rights reserved. 2011.03 - rev.b data sheet LSH2004-AA10A ? characteristics parameter slt clk 104 203 864 5 0.4 1.25 0.75 0.375 1.7 0.2 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 minimum dynamic range dark output operating temperature analogue signals are produced output at double rate of clock frequency. ? ? pin assignments clk circuit ao no. 1 2 3 4 5 6 7 o i i i i i i i / o gnd g-led v-led sl v dd analog output ground serial-in clock power supply led ground led power supply functions ? timing chart (a) clk timing chart ts t pd1 trclk tfclk thold tsetup twclk 1/fclk clk twclk sp ao 1pixel 2pixel 90% 50% 10% 90% 50% 10%
3/3 www.rohm.com c 2011 rohm co., ltd. all rights reserved. 2011.03 - rev.b data sheet LSH2004-AA10A (b) data output timing chart after turning on the si pulse, the analog output shape st arts from the setting up point of 27 clock pulse. note) output blank part cannot be used as the analog output standard level. clk si ao 1 2 3 4 26 27 28 29 ? inner circuit v dd gnd sp ao clk 0.1 f x 3 864 1 analog memory circuit v led g led 6715342 current adjust circuit c3 c1 r2 r1 led gnd vled a v dd sp ckl gnd ? r1, r2=500 c1=47 f c3=100 f ? please adjust the value of resistance to fit your interface circuit.
r 1 120 a ww w .rohm.com ? 20 1 1 rohm co., ltd. all rights reserved. notice rohm customer support system http://ww w . r ohm.com/contact/ thank you for your accessing to rohm p r oduct informations. mo r e detail p r oduct informations and catalogs a r e available, please contact us. notes
|
