Maker : Rohm
Part No. : IA2004-ME32A

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Product Information

IA2004-ME32A Contact image sensor heads Image sensor heads for narrow-width scanners IA2004-ME32A Equipped with the sensor chips that have built-in analog memory, this compact color image sensor head is suitable for any scanning applications that require rapid scanning of widths of up to A6. It best fits into the photo graphic applications. Applications Check readers, card scanners, and a variety 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 the 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. External dimensions (Unit : mm) 119.5 + 0.3 − 108(Effective Reading Width:104) 5.5 + 0.3 − φ2 + 0.05 Depth1 − C L No.1 Pixel 17.5 + 0.25 − A 10.36 + 0.4 − + 5.5 − 0.3 Max.2 Max. 1.5 15.5 + 1 − 25 + 1 − (10.4) (3.8) 2.5 + 12.5 − 0.05 5 + 0.1 − No.7 No.1 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) Pin No. No.1 No.2 No.3 No.4 No.5 Signal Ao GND SI CLK VDD Pin No. No.6 No.7 Signal GLED VLED 1/4 IA2004-ME32A Contact image sensor heads 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 − − − Typ. 104 203 864 5 0.4 1.25 0.75 0.375 1.7±0.2 5 to 45 Unit mm dpi dots V ms / line ∗ MHz V V V °C VDD SLT CLK VRMax. VRMin. Vod − ∗ Analogue signals are produced output at double rate of clock frequency. Pin assignments No. 1 2 3 4 5 6 7 Circuit Ao GND Sl CLK VDD G-LED V-LED I/O O I I I I I I Functions Analog output Ground Serial-in Clock Power supply LED ground LED power supply 2/4 IA2004-ME32A Contact image sensor heads Timing chart (a) CLK Timing Chart 1/fCLK twCLK twCLK trCLK tfCLK 90% 50% 10% 90% 50% 10% CLK tSETUP tHOLD SP t pd1 ts Ao 1pixel 2pixel (b) Data Output Timing Chart After turning on the SI pulse, the analog output shape starts from the setting up point of 27 clock pulse. 1 2 3 4 26 27 28 29 CLK SI Ao Note) Output blank part cannot be used as the analog output standard level. 3/4 IA2004-ME32A Contact image sensor heads Equivalent circuit VDD 0.1µF x 3 GND SP ANALOG MEMORY CIRCUIT 1 864 CLK Ao V LED G LED 6 7 1 5 3 4 2 R2 R1 Current adjust Circuit A VDD C1 SP CKL GND C3 VLED LED GND ∗ R1, R2=500Ω C1=47µF C3=100µF ∗ Please adjust the value of resistance to fit your interface circuit. 4/4 Appendix 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 i...

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