ka2008-af10a printheads rev.a 1/4 for facsimiles 3.3v to 5v printing voltage (a series) ka2008-af10a rohm?s a series printheads for a4 paper size facsimile applications utilize original integrated mounting technology, allowing for a wide range of logic voltages (3.13v to 5.25v). z applications facsimiles electric whiteboard measuring terminal printers z features 1) providing easy design solution of power supply with the same bit number for each strobe at a4 size fax application by employing the first in the industry 216 bits driver ic. 2) achieved logic voltage of 3.13 to 5.25v and provides the wide range of power supply voltage. wide selection of electrical components is able to choose. 3) employment of rohm?s own technology clip connector makes it possible to supply the goods without heat sink and substrate it self. this allows wide range of designing since substrate could be directly attached to the mechanism. z dimensions (unit : mm) 15.1 1 16 0.2 connector b no.1 no.9 label resin coating for protection of ic. resin coating for protection of pin. dot #1728 216 (effective print width) 230 (substrate width) 230.50.3 (heatsink width) connector a no.1 no.9 max 8.5 5.85 0.3 4.85 0.2 4.6 0.2 2.6 0.1 max. 14.0 4-m3 center of heat elements 11.5 0.1 11.5 0.1 220.5 0.2 5 0.2 dot #1
ka2008-af10a printheads rev.a 2/4 z equivalent circuit z pin assignments connector b no. 1 2 3 4 5 6 7 8 9 circuit connector a no. 1 2 3 4 5 6 7 8 9 circuit gnd gnd tm v dd stb4 stb3 di vh vh vh vh tm clk lat stb2 stb1 gnd gnd v h gnd h 30 ?3950k dot #1 dot#1728 /stb3 /stb4 connector b 1728 1297 1296 865 864 433 432 1 connector a shift resister /lat di cl k v h gnd /stb2 /stb1 vd d tm tm lat ch resist e r vh: 24 supply /st b: st robe ( hi gh act i ve) /lat:latch clk: clock di: data in gnd: ground tm: thermistor 8,9 1,2 5 8,9 6 7 1,2 7 4 3 4 3 5 6
ka2008-af10a printheads rev.a 3/4 z timing chart z characteristics parameter ? ? ? ? ? ? ? ? rave v h p o slt t on 216.0 0.125 1728 3000 24.0 0.17 10 1.95 432 4 14.0 30/3 10 7 5~45 mm mm dots ? v w/dot ms ms dots mhz mm km/pulses c symbol typical unit operating temperature running life / pulse life maximum roller diameter maximum clock frequency maximum number of dots energized simultaneously pulse width print cycle applied power applied voltage total dot number effective printing width dot pitch average resistance value tw c l k t se t up di t h o l d di t setup lat t h o l d lat tw lat t setup s tb t do tdo clk (clock) /lat (latch) /stb (strobe) driver out di(data in) "hi g h" : bla c k "low" :white "hi g h": hold "low" : through min. 5 s (v ih =5v)* min. 10 s (v ih =3.3v)* ? if delay time for driver out can not be secured enou gh, there is a possibility that vh would fluctuate greatly. please design the circuit so that vh does not exceed peak voltage (vp).
ka2008-af10a printheads rev.a 4/4 z electrical characteristic curves scanning line time (ms / line) fig.3 adaptive speed chart 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 4 6 8 10 16 14 12 18 20 22 energy (mj / dot) slt : 10ms/line energy (mj / dot) fig.4 representative density curve 0 0.2 0.4 0.6 0.8 1 1.2 1.4 0 0.1 0.2 0.3 0.4 0.5 optical density fig.5 maximum energy curve 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 5 10 15 20 scanning line time (ms / line) energy (mj / dot) 0 20 40 60 80 100 120 140 160 180 ? 20 ? 10 10 30 50 70 0204060 temperature : ( c) fig.6 thermistor curve resistance : (k ? )
notes no technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of rohm co.,ltd. the contents described herein are subject to change without notice. the specifications for the product described in this document are for reference only. upon actual use, therefore, please request that specifications to be separately delivered. application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. rohm co.,ltd. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by rohm co., ltd. is granted to any such buyer. products listed in this document are no antiradiation design. appendix1-rev2.0 thank you for your accessing to rohm product informations. more detail product informations and catalogs are available, please contact your nearest sales office. rohm customer support system the americas / eupope / asia / japan contact us : webmaster@ rohm.co. jp www.rohm.com copyright ? 2007 rohm co.,ltd. the products listed in this document are designed to be used with ordinary electronic equipment or de vices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of which would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. it is our top priority to supply products with the utmost quality and reliability. however, there is always a chance of failure due to unexpected factors. therefore, please take into account the derating characteristics and allow for sufficient safety features, such as extra margin, anti-flammability, and fail-safe measures when designing in order to prevent possible accidents that may result in bodily harm or fire caused by component failure. rohm cannot be held responsible for any damages arising from the use of the products under conditions out of the range of the specifications or due to non-compliance with the notes specified in this catalog. 21, saiin mizosaki- cho, ukyo-ku, kyoto 615-8585, japan tel : +81-75-311-2121 fax : +81-75-315-0172 appendix
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