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| Multi line sensor heads for narrow-width scanners LSH2004-AA20A Compatible with A6 size media, feature a dual-arch structure, allowing straight pass reading (both-directions). In addition, they are compact, measuring only 119.5mm in length. Applications Check readers, card scanners, and a variety of other image input devices. Features 1) Signal amplifier integrated into each sensor IC in order to eliminate external noise ; compatible with 3.3V interface. 2) LED light source mounted on the same substrate as the sensor chip itself, resulting in a more compact, lightweight package. 3) Proprietary prism maintains a uniform output signal. 4) Ceramic substrate used, ensuring excellent dimensional and thermal stability. Dimensions (Unit : mm) 5.50.3 119.50.3 2.5 109.6 (Effectiv Reading Width :104.6) 3.960.5 50.1 20.05 (Depth 1) Paper Feed Direction C L No.1 Pixel 17.50.25 12.50.05 600.3 A 29.750.3 10.70.4 251 Max. 1.5 15.51 (12.9) (3.8) No.9 No.1 (NOTE 1) Deflection at the top of glass:0-0.25 Projection to platen is positive. (NOTE 2) Socket Housing:IL-Z-9S-S125C3(JAE) Socket Contact:IL-Z-C3-A-15000(JAE) Pin No. No.1 No.2 No.3 No.4 No.5 No.6 Signal CLK SP VDD GND Ao RLED Max.2 Pin No. No.7 No.8 No.9 Signal GLED BLED VLED www.rohm.com c 2009 ROHM Co., Ltd. All rights reserved. 1/4 2009.12 - Rev.A LSH2004-AA20A Characteristics Parameter 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 Symbol - - - Data Sheet Typ. 104.6 200 864 3.3 0.125x3 8 0.5 0.25 0.80.2 5 to 45 Unit mm dpi dots V ms / line MHz V V V C VDD SLT CLK VRMax. VRMin. Vod - Pin assignments No. 1 2 3 4 5 6 7 8 9 Circuit CLK SP VDD GND Ao RLED GLED BLED VLED I/O I I I I O I I I I Functions Clock Start Pulse Power Supply Ground Analog Output LED ground LED ground LED ground LED power supply www.rohm.com c 2009 ROHM Co., Ltd. All rights reserved. 2/4 2009.12 - Rev.A LSH2004-AA20A Timing chart (a) CLK Timing Chart 1/fCLK twCLK twCLK Data Sheet 50% 50% 50% 50% CLK ts 50% 50% SP tSETUP tHOLD Ao 1pixel 2pixel (b) Data Output Timing Chart After turning on the SP pulse, the analog output shape starts from the setting up point of 65 clock pulse. 1 2 64 65 66 CLK SP Ao VREF Output Period (64pixels) 1 to 64 pixels Analog Output Period 1 to 864pixels Note) Output blank part cannot be used as the analog output standard level. www.rohm.com c 2009 ROHM Co., Ltd. All rights reserved. 3/4 2009.12 - Rev.A LSH2004-AA20A Inner circuit VDD Data Sheet 1F x 4 GND SP ANALOG MEMORY CIRCUIT 1 864 1F 680 VDD 220 CLK Ao VREF 100k 1F VLED RGND GGND BGND Peripheral circuit 8 7 6 9 5 3 2 1 C2 4 R2 C1 B G R VDD SP CLK R1 C3 C4 LED GND VLED Ao GND R1=R2=100 C1=47F, C2=100pF C3=100F, C4=0.1F Please adjust the value of resistance to fit your interface circuit. www.rohm.com c 2009 ROHM Co., Ltd. All rights reserved. 4/4 2009.12 - Rev.A Notice Notes No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified 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 specifications, 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 specified 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 specified 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 specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, communication devices, electronic appliances and amusement devices). The Products specified 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, fire or any other damage caused in the event of the failure of any Product, such as derating, redundancy, fire 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 specified 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. Thank you for your accessing to ROHM product informations. More detail product informations and catalogs are available, please contact us. ROHM Customer Support System http://www.rohm.com/contact/ www.rohm.com (c) 2009 ROHM Co., Ltd. All rights reserved. R0039A |
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