ROHM LSH2004

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.
z Applications
Check readers, card scanners, and a variety of other image input devices.
zFeatures
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.
zDimensions (Unit : mm)
119.5 ± 0.3
5.5 ± 0.3
108(Effective Reading Width:104)
CL
No.1 Pixel
12.5 ± 0.05
17.5 ± 0.25
2.5
5.5 ± 0.3
φ 2 ± 0.05 Depth1
A
25 ± 1
Max. 1.5
15.5 ± 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)
www.rohm.com
c 2009 ROHM Co., Ltd. All rights reserved.
○
(10.4)
(3.8)
No.7
No.1
Max.2
10.36 ± 0.4
5 ± 0.1
Pin No.
No.1
No.2
Signal
Ao
Pin No.
No.6
Signal
GLED
GND
No.7
VLED
No.3
SI
No.4
No.5
CLK
VDD
1/3
2009.11 - Rev.A
LSH2004-AA10A
Data Sheet
zCharacteristics
Symbol
Typ.
Unit
Effective scanning width
Parameter
−
104
mm
Primary scan dot density
−
203
dpi
Total dot number
−
864
dots
Power supply voltage
VDD
5
V
Scanning speed
SLT
0.4
ms / line ∗
Clock frequency
CLK
1.25
MHz
Maximum dynamic range
VRMax.
0.75
V
Minimum dynamic range
VRMin.
0.375
V
Vod
1.7±0.2
V
−
5 to 45
°C
Dark output
Operating temperature
Analogue signals are produced output at double rate of clock frequency.
zPin assignments
No.
Circuit
I/O
Functions
1
Ao
O
Analog output
2
GND
I
Ground
3
Sl
I
Serial-in
4
CLK
I
Clock
5
VDD
I
Power supply
6
G-LED
I
LED ground
7
V-LED
I
LED power supply
zTiming chart
(a) CLK Timing Chart
1/fCLK
twCLK
twCLK
CLK
trCLK
tfCLK
90%
90%
50%
50%
10%
10%
tSETUP
tHOLD
SP
t pd1
ts
Ao
1pixel
www.rohm.com
c 2009 ROHM Co., Ltd. All rights reserved.
○
2/3
2pixel
2009.11 - Rev.A
LSH2004-AA10A
Data Sheet
(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.
zInner circuit
VDD
0.1µF x 3
864
1
GND
SP
ANALOG MEMORY CIRCUIT
CLK
Ao
V LED
G LED
6
7
1
5
3
4
R2
2
R1
C1
Current adjust
Circuit
A
VDD
SP
CKL
GND
C3
VLED
LED GND
∗R1, R2=500
C1=47 µF
C3=100 µF
∗Please adjust the value of resistance to fit your interface circuit.
www.rohm.com
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.
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
© 2009 ROHM Co., Ltd. All rights reserved.
R0039A