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Multi Line Sensor Heads for narrow-width scanners
LSH2004-AA10A
Equipped with the sensor chips that have built-in analog memory, this compact color multi line 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. Dimensions (Unit : mm)
119.5 0.3 108(Effective Reading Width:104) 5.5 0.3
2 0.05 Depth1
C L No.1 Pixel
17.5 0.25
A
10.36 0.4
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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
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2009.11 - Rev.A
LSH2004-AA10A
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. 104 203 864 5 0.4 1.25 0.75 0.375 1.70.2 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
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
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2/3
2009.11 - Rev.A
LSH2004-AA10A
(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.
Data Sheet
1
2
3
4
26
27
28
29
CLK SI Ao
Note) Output blank part cannot be used as the analog output standard level.
Inner circuit
VDD
0.1F x 3
GND SP
ANALOG MEMORY CIRCUIT 1 864
CLK
Ao
VLED
GLED
6
7
1
5
3
4
2
R2
R1
Current adjust Circuit
A VDD
C1
SP CKL GND
C3
VLED LED GND
R1, R2=500
C1=47 F C3=100 F
Please adjust the value of resistance to fit your interface circuit.
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c 2009 ROHM Co., Ltd. All rights reserved.
3/3
2009.11 - 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.
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