IA1208-FE10A Datasheet PDF - Rohm

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IA1208-FE10A
Rohm

Part Number IA1208-FE10A
Description Color image sensor heads
Page 6 Pages


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Contact image sensor heads
IA1208-FE10A
Color image sensor heads for High-speed
Scanner
IA1208-FE10A
Contact Image Sensor Head with 3 times higher scanning speed due to 3ch outputs.
Newly developed resolution change-over IC is employed which has improved noise resistance.
zApplications
High speed reading equipment (i.e. document scanners, plotters, laser multifunction devices).
zFeatures
1) High speed reading capability due to 3 analog output.
2) Signal amplifier is built into the image sensor IC in order to increase immunity to external noise.
3) ROHM’s newly developed sensor IC reduces failures due to ESD (based on the IEC61000-4-2 standard).
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-φ1.5×2
Oval Hole D4MIN
Scanning Line
2-φ1.5 D4MIN
236±0.5
216 (Effective Reading Width)
Effective 1st bit
9.4 0.324±0.1
2.0±0.8
15
No.1
Center of FCC
1mm Pitch 15pin
6.9
No.15
13.8
2- 3 +0/-0.1
MAX.3.15
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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
VRMin.
Vod
Typ.
216
1200
10368
3.3
0.8
3.0
5
0.5
0.25
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 AO3
O Analog output
2 GND
I Ground
3 AO2
O Analog output
4 GND
I Ground
5 AO1
6 MODE
O Analog output
I Mode select
7 GND
I Ground
8 VDD
I Power supply
9 VREF
I Reference voltage
10 SP
I Start pulse
11 CLK
I Clock
12 V-LED
I LED power supply
13 B-GND
14 G-GND
I BLUE LED ground
I GREEN LED ground
15 R-GND
I RED LED ground
IA1208-FE10A
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zTiming chart
(a) CLK Timing Chart
CLK
50%
50%
SP
tSETUP tHOLD
IA1208-FE10A
1/fCLK
twH twL
ts
Ao
1pixel
2pixel
(b-1) Data Output Timing Chart (1200dpi mode)
After turning on the SP pulse, the analog output starts from the setting up point of 82 clock pulse.
1200dpi mode
CLK
1
2 82
SP
AO1 to 3
VREF output period
Vdummy
Analog output period
Vdummy
AO1 :
AO2 :
AO3 :
1 to 82clock
1 to 82clock
1 to 82clock
1 to 100pixels
Note)The CLK section area which is over the effective pixel numbers
(Output blank part) cannot be used as the analog Output
standard level.
101 to 3456pixels
3457 to 6912pixels
6913 to 10312pixels
10313 to 10368pixels
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IA1208-FE10A
(b-2) Data Output Timing Chart (600dpi mode)
After turning on the SP pulse, the analog output starts from the setting up point of 82 clock pulse.
600dpi mode
CLK
1 2 82
SP
AO1 to 3
VREF output period
Vdummy
Analog output period
Vdummy
AO1 :
AO2 :
AO3 :
1 to 82clock
1 to 82clock
1 to 82clock
1 to 50pixels
Note)The CLK section area which is over the effective pixel numbers
(Output blank part) cannot be used as the analog Output
standard level.
51 to 1728pixels
1729 to 3456pixels
3457 to 5156pixels
5157 to 5184pixels
(b-3) Data Output Timing Chart (300dpi mode)
After turning on the SP pulse, the analog output starts from the setting up point of 82 clock pulse.
300dpi mode
CLK
1
2 82
SP
AO1 to 3
VREF output period
Vdummy
Analog output period
Vdummy
AO1 :
AO2 :
AO3 :
1 to 82clock
1 to 82clock
1 to 82clock
1 to 25pixels
Note)The CLK section area which is over the effective pixel numbers
(Output blank part) cannot be used as the analog Output
standard level.
26 to 864pixels
865 to 1728pixels
1729 to 2578pixels
2579 to 2592pixels
4/5



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