IA6008-FB10A Datasheet PDF - Rohm

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IA6008-FB10A
Rohm

Part Number IA6008-FB10A
Description Color image sensor heads
Page 6 Pages


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Contact image sensor heads
IA6008-FB10A
Color image sensor heads for multi-function
IA6008-FB10A
“Color contact image sensor” with optical system intended for Flatbed scanning. Optical technology established for
sheet-feed scanning has been further advanced for Flatbed scanning. Furthermore, a newly developed sensor with
resolution selection function provides more freedome in choosing the adequate optical resolution matching to the
application.
zApplications
Image sensor heads device for multiple function facsimiles such as color scanner and multiple function printer.
zFeatures
1) Signal amplifier is built in to the image sensor IC in order to increase immunity to external noise.
2) A low-voltage drive sensor is employed, which runs at 3.3V like ASIC
3) 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.
4) With the proprietary prism, the output signal is maintained uniformly.
5) The ceramic substrate is used for excellent dimensional accuracy and thermal stability.
zExternal dimensions (Unit : mm)
2−φ 1.5x2
Oval Hole D4MIN
Scanning Line
2−φ 1.5 D4MIN
+
236 ± 0.5
216 (Effective Reading With)
Effective 1st bit
9.4
0.324 ±0.1
Pin No.
No.1
No.2
No.3
No.4
No.5
No.6
Signal
Ao
MODE
GND
VDD
VREF
SP
Pin No.
No.7
No.8
No.9
No.10
No.11
No.12
Signal
CLK
V-LED
B-GND
G-GND
R-GND
NC
+
15
2 ±0.2
1mm pitch 12pin
No.12 No.1
Center of FCC
13.8
MAX 3.15
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Contact image sensor heads
zCharacteristics
Parameter
Effective scanning width
Primary scan dot density
Total dot number
Power supply voltage
Reference voltage
Scanning speed
Clock frequency
Maximum dynamic range
Minimum dynamic range
Dark output
Operating temperature
Symbol
VDD
VREF
SLT
CLK
VRMax
VRMim.
Vod
Typ.
217
600
5184
3.3
0.8
4.5
5
0.75
0.375
VREF +− 0.1
5 to 45
Unit
mm
dpi
dots
V
V
ms / line
MHz
V
V
V
°C
zPin assignments
No. Circuit
I/O
Function
1 AO
O Analog output
2 MODE
I Mode select
3 GND
I Ground
4 VDD
I Power supply
5 VREF
I Reference voltage
6 SP
I Start pulse
7 CLK
I Clock
8 V-LED
I LED power supply
9 B-GND
I BLUE LED ground
10 G-GND
I GREEN LED ground
11 R-GND
I RED LED ground
12 NC
IA6008-FB10A
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Contact image sensor heads
zTiming chart
(a) CLK Timing Chart
CLK
50%
50%
SP
tSETUP tHOLD
IA6008-FB10A
1/fCLK
twH twL
ts
Ao
1pixel
2pixel
(b) Data Output Timing Chart (600dpi mode)
After turning on the SP pulse, the analog output starts from the setting up point of 64 clock pulse.
CLK
SP
Ao
12
82 83 84
136 137 138
Vref output period(52pixels) Vdummy
1 to 82pixels
83 to 136pixels
Analog output period
137 to 5266pixels
Note)The CLK section area which is over the effective pixel numbers
(Output blank part) cannot be used as the analog Output
standard level.
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Contact image sensor heads
IA6008-FB10A
Data Output Timing Chart (300dpi mode)
After turning on the SP pulse, the analog output starts from the setting up point of 64 clock pulse.
CLK
SP
Ao
12
82 83 84
109 110 111
Vref output period(52pixels) Vdummy
1 to 82pixels
83 to 109pixels
Analog output period
110 to 2674pixels
Note)The CLK section area which is over the effective pixel numbers
(Output blank part) cannot be used as the analog Output
standard level.
zCircuit diagram
VDD
GND
1µF×3
SP
CLK
1
ANALOG MEMORY CIRCUIT
5184
VDD
VREF
AO
VREF
VLED
RGND
GGND
BGND
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