1/5 www.rohm.com c 2009 rohm co., ltd. all rights reserved. 2009.12 - rev.a multi line sensor heads for wide format scanner LSH1208-BD70A multi line sensor heads(mls) corresponding to high speed scan and to reading wrinkles and fold lines due to 6 output channels and dual light source. newly developed shield-structu re sensor ic improved anti-noise characteristic. ? applications high speed reading equipment (i.e. document scanners, wide format scanners devices). ? features 1) high speed reading capability due to 6 analog output. 2) newly developed shield-structure sensor ic shuts out exter nal noise. moreover, it reduces malfunction due to applying electro-static as represented by iec61000-4-2. 3) reduction of shade due to wrinkles and fold lines by adopting dual light source. ? dimensions (unit : mm)
2/5 www.rohm.com c 2009 rohm co., ltd. all rights reserved. 2009.12 - rev.a data sheet LSH1208-BD70A ? characteristics parameter v dd ? ? ? ? slt clk vrmax vrmin. 216 1200 10368 3.3 0.125 3 8 0.5 0.25 0.8 v ref 0.1 5 to 45 mm dpi dots v v v ms / line mhz v v symbol typ. unit vod v ref c reference voltage 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 + ? ? pin assignments pin no. signal pin no. signal r-gnd no.1 no.2 no.3 no.4 no.5 no.6 no.7 no.8 no.9 no.10 no.11 no.12 clk v-led r-gnd gnd gnd gnd no.16 g-gnd gnd no.18 b-gnd gnd no.20 no.21 no.19 gnd gnd no.22 gnd no.17 no.23 no.24 no.25 no.26 no.27 b-gnd gnd g-gnd v-led ao3 ao4 ao5 no.13 no.14 no.15 vref vdd no.28 no.29 no.30 sp mode vdd gnd ao1 ao2 ao6
3/5 www.rohm.com c 2009 rohm co., ltd. all rights reserved. 2009.12 - rev.a data sheet LSH1208-BD70A ? timing chart (a) clk timing chart ts thold tsetup twclk 1/fclk clk twclk sp ao 1pixel 2pixel 50% 1 to 3 50% 90% (b-1) data output timing chart (1200dpi mode) after turning on the sp pulse, the analog output st arts from the setting up point of 83 clock pulse. note)the clk section area which is over the effective pixel numbers (output blank part) cannot be used as the analog output standard level. clk 1 sp a o ao1 : 2 82 83 1810 1811 v ref output period v ref output period analog output period (not guaranteed) analog output period (not guaranteed) analog output period (guaranteed) 1 to 82clock 1 to 64pixels 65 to 1728pixels ? ao2 : 1 to 82clock ? 1729 to 3456pixels ? ? ? ? ao3 : ao4 : ao5 : ao6 : 1 to 82clock 1 to 82clock 1 to 82clock 1 to 82clock 1811clock to 1811clock to 1811clock to 1811clock to 1811clock to 1811clock to ? ? ? ? 3457 to 5184pixels 8641 to 10304pixels 6913 to 8640pixels 5185 to 6912pixels 10305 to 10368pixels 1200dpi mode
4/5 www.rohm.com c 2009 rohm co., ltd. all rights reserved. 2009.12 - rev.a data sheet LSH1208-BD70A (b-2) data output timing chart (600dpi mode) after turning on the sp pulse, the analog output st arts from the setting up point of 83 clock pulse. note)the clk section area which is over the effective pixel numbers (output blank part) cannot be used as the analog output standard level. clk 1 sp a o ao1 : 2 82 83 946 947 v ref output period v ref output period analog output period (not guaranteed) analog output period (not guaranteed) analog output period (guaranteed) 1 to 82clock 1 to 32pixels 33 to 864pixels ? ao2 : 1 to 82clock ? 865 to 1728pixels ? ? ? ? ao3 : ao4 : ao5 : ao6 : 1 to 82clock 1 to 82clock 1 to 82clock 1 to 82clock 947clock to 947clock to 947clock to 947clock to 947clock to 947clock to ? ? ? ? 1729 to 2592pixels 4321 to 5152pixels 3457 to 4320pixels 2593 to 3456pixels 5153 to 5184pixels 600dpi mode (b-3) data output timing chart (300dpi mode) after turning on the sp pulse, the analog output st arts from the setting up point of 83 clock pulse. note)the clk section area which is over the effective pixel numbers (output blank part) cannot be used as the analog output standard level. ao1 : v ref output period v ref output period analog output period (not guaranteed) analog output period (not guaranteed) analog output period (guaranteed) 1 to 82clock 1 to 22pixels 23 to 432pixels ? ao2 : 1 to 82clock ? 433 to 864pixels ? ? ? ? ao3 : ao4 : ao5 : ao6 : 1 to 82clock 1 to 82clock 1 to 82clock 1 to 82clock 515clock to 515clock to 515clock to 515clock to 515clock to 515clock to ? ? ? ? 865 to 1296pixels 2161 to 2570pixels 1729 to 2160pixels 1297 to 1728pixels 2571 to 2592pixels 300dpi mode sp a o clk 1 2 82 83 514 515
5/5 www.rohm.com c 2009 rohm co., ltd. all rights reserved. 2009.12 - rev.a data sheet LSH1208-BD70A ? inner circuit v dd v dd gnd sp clk 1 10368 10368 1 v led v ref v ref mode mode r gnd g gnd b gnd v led r gnd g gnd b gnd 1 f 6 ao1 ao2 ao3 ao4 ao5 ao6 analog memory circuit ? peripheral circuit multi line sensor heads v ref v dd mode gnd clk sp c2 r2 r1 r3 6 16 22 20, 21 23 25 5, 7, 9, 11, 13, 15, 17 19, 24, 26 18 c1 c5 r3 r3 r3 r3 r3 ao6 12 14 ao4 ao3 ao2 ao1 r g c3 c4 led gnd v led b 41 3 2 r g c3 c4 led gnd v led b 30 27 29 28 8 10 ao5 r1 = r2 = 100 , r3 = 100k c1 = c2 = 47 f c3 = 100 f, c4 = 0.1 f, c5 = 100pf
r0039 a www.rohm.com ? 2009 rohm co., ltd. all rights reserved. notice rohm customer support system http://www.rohm.com/contact/ thank you for your accessing to rohm product informations. more detail product informations and catalogs are available, please contact us. notes no copying or reproduction of this document, in part or in whole, is permitted without the consent of rohm co.,ltd. the content specied herein is subject to change for improvement without notice. the content specied herein is for the purpose of introducing rohm's products (hereinafter "products"). if you wish to use any such product, please be sure to refer to the specications, which can be obtained from rohm upon request. examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the products. the peripheral conditions must be taken into account when designing circuits for mass production. great care was taken in ensuring the accuracy of the information specied in this document. however, should you incur any damage arising from any inaccuracy or misprint of such information, rohm shall bear no responsibility for such damage. the technical information specied herein is intended only to show the typical functions of and examples of application circuits for the products. rohm does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by rohm and other parties. rohm shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. the products specied in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, ofce-automation equipment, commu- nication devices, electronic appliances and amusement devices). the products specied in this document are not designed to be radiation tolerant. while rohm always makes efforts to enhance the quality and reliability of its products, a product may fail or malfunction for a variety of reasons. please be sure to implement in your equipment using the products safety measures to guard against the possibility of physical injury, re or any other damage caused in the event of the failure of any product, such as derating, redundancy, re control and fail-safe designs. rohm shall bear no responsibility whatsoever for your use of any product outside of the prescribed scope or not in accordance with the instruction manual. the products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel-controller or other safety device). rohm shall bear no responsibility in any way for use of any of the products for the above special purposes. if a product is intended to be used for any such special purpose, please contact a rohm sales representative before purchasing. if you intend to export or ship overseas any product or technology specied herein that may be controlled under the foreign exchange and the foreign trade law, you will be required to obtain a license or permit under the law.
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