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Contact image sensor heads
IA2008-MB82A
Monochrome image sensor heads for FAX
IA2008-MB82A
An Epoch-making, Lightweight, Compact Monochrome Image Sensor ROHM’s expertise of ROHM LSI circuit design
and accumulated manufacturing technology of thermal printheads are combined to produce the industry’s smallest and
lightest monochrome contact image sensor heads.
zApplications
Facsimiles, scanners, and a variety of other image input devices.
zFeatures
1) Signal amplifier is built in to the image sensor IC in order to increase immunity to external noise.
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) 5 volts single power supply is needed for the CIS which will simplify the power supply requirement.
4) The ceramic substrate is used for excellent dimensional accuracy and thermal stability.
5) With the proprietary prism, the output signal is maintained uniformly.
zExternal dimensions (Unit : mm)
232+− 0.5
216(Effevtive Reading Width : 212)
A
No.1 Pixel
10.5
5.5
2−φ2 Depth 7
5.8
5.68
Note1 ; Diflection at the top of frame : 0 to 0.22
Projection to platen is positive.
(Connector Parts Number) Socket Housing : IL-Z-7S-S125C3(JAE)
Socket Contact : IL-Z-C3-A-15000(JAE)
No.7
(1.41)
(10.4) No.1
PIN No. SIGNAL PIN No. SIGNAL
No.1 AO No.6 GLED
No.2 GND No.7 VLED
No.3 VDD
No.4
SI
No.5 CLK
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Contact image sensor heads
zCharacteristics
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
VDD
SLT
CLK
VRMax.
VRMin.
Vod
Typ.
212
203
1728
5
5
1
1.6
0.8
0.1±0.1
5 to 45
Unit
mm
dpi
dots
V
ms / line
MHz
V
V
V
°C
zPin assignments
No. Circuit
1 Ao
2 GND
3 VDD
4 Sl
5 CLK
6 R-GND
7 G-GND
I / O Functions
O Analog output
I Ground
I Power supply
I Serial-in
I Clock
I LED ground
I LED power supply
IA2008-MB82A
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Contact image sensor heads
zTiming chart
CLK
1/f CLK
tw1 tw2
tSETUP
SI
tHOLD
IA2008-MB82A
ts
90%
Ao
1pixel
2pixel
3pixel
Fig.1
zCircuit diagram
VDD
GND
0.1µF×2
1
AO
SI
CLK
VLED
1728 BIT SHIFT REGISTER
4pixel
1728
GLED
Fig.2
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