IA2004-ME32A Datasheet PDF - Rohm

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IA2004-ME32A
Rohm

Part Number IA2004-ME32A
Description Image sensor heads
Page 5 Pages


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Contact image sensor heads
IA2004-ME32A
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.
zApplications
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.
zExternal dimensions (Unit : mm)
119.5 +− 0.3
108(Effective Reading Width:104)
CL
No.1 Pixel
5.5 +− 0.3
A
φ2 +− 0.05 Depth1
5 +− 0.1
15.5 +− 1
25 +− 1
(10.4)
No.7
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)
(3.8)
No.1
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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zCharacteristics
Parameter
Symbol
Typ.
Effective scanning width
104
Primary scan dot density
203
Total dot number
864
Power supply voltage
VDD 5
Scanning speed
SLT 0.4
Clock frequency
CLK 1.25
Maximum dynamic range
VRMax.
0.75
Minimum dynamic range
VRMin.
0.375
Dark output
Vod 1.7±0.2
Operating temperature
5 to 45
Analogue signals are produced output at double rate of clock frequency.
Unit
mm
dpi
dots
V
ms / line
MHz
V
V
V
°C
zPin assignments
No. Circuit
1 Ao
2 GND
3 Sl
4 CLK
5 VDD
6 G-LED
7 V-LED
I / O Functions
O Analog output
I Ground
I Serial-in
I Clock
I Power supply
I LED ground
I LED power supply
IA2004-ME32A
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zTiming chart
(a) CLK Timing Chart
1/fCLK
twCLK
twCLK
CLK
tSETUP
SP
tHOLD
IA2004-ME32A
trCLK
90%
50%
10%
tfCLK
90%
50%
10%
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.
12 3 4
CLK
SI
Ao
26 27 28 29
Note) Output blank part cannot be used as the analog output standard level.
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zEquivalent circuit
VDD
GND
0.1µF x 3
1
SP
CLK
Ao
VLED
IA2004-ME32A
ANALOG MEMORY CIRCUIT
864
GLED
6715342
Current adjust
Circuit
C3
R2
C1
R1
A VDD SP CKL GND
VLED
LED GND
R1, R2=500
C1=47µF
C3=100µF
Please adjust the value of resistance to fit your interface circuit.
4/4



IA2004-ME32A datasheet pdf
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IA2004-ME32A Image sensor heads IA2004-ME32A
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IA2004-ME32A pdf
IA2004-ME32A Image sensor heads IA2004-ME32A
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IA2004-ME32A pdf

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