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IA1208-FE10A
Contact image sensor heads
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)
236 ±0.5 2-φ1.5×2 Oval Hole D4MIN Scanning Line 216 (Effective Reading Width) Effective 1st bit 9.4 0.324±0.1
14 ±0.2
2-φ1.5 D4MIN
15 2.0±0.8 2- 3 +0/-0.1 MAX.3.15
1mm Pitch 15pin
6.9
6.9
max.1
max.1
max.1
max.1
No.1 Center of FCC 13.8
No.15
17.5
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IA1208-FE10A
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 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. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Circuit AO3 GND AO2 GND AO1 MODE GND VDD VREF SP CLK V-LED B-GND G-GND R-GND I/O O I O I O I I I I I I I I I I Function
Analog output Ground Analog output Ground Analog output Mode select Ground Power supply
Reference voltage Start pulse Clock LED power supply BLUE LED ground GREEN LED ground RED LED ground
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IA1208-FE10A
Contact image sensor heads
zTiming chart (a) CLK Timing Chart
1/fCLK twH twL
CLK
50%
50%
SP
tSETUP tHOLD 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
1
2
82
CLK SP A O1 to 3
VREF output period
Vdummy
Analog output period
Vdummy
A O1 : A O2 : A O3 :
1 to 82clock 1 to 82clock 1 to 82clock
1 to 100pixels − −
101 to 3456pixels 3457 to 6912pixels 6913 to 10312pixels
− − 10313 to 10368pixels
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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IA1208-FE10A
Contact image sensor heads
(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
1
2
82
CLK SP A O1 to 3
VREF output period
Vdummy
Analog output period
Vdummy
A O1 : A O2 : A O3 :
1 to 82clock 1 to 82clock 1 to 82clock
1 to 50pixels − −
51 to 1728pixels 1729 to 3456pixels 3457 to 5156pixels
− − 5157 to 5184pixels
Note)The CLK section area which is over the effective pixel numbers (Output blank part) cannot be used as the analog Output standard level.
(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
1
2
82
CLK SP A O1 to 3
VREF output period
Vdummy
Analog output period
Vdummy
A O1 : A O2 : A O3 :
1 to 82clock 1 to 82clock 1 to 82clock
1 to 25pixels − −
26 to 864pixels 865 to 1728pixels 1729 to 2578pixels
− − 2579 to 2592pixels
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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IA1208-FE10A
Contact image sensor heads
zCircuit diagram
VDD GND
1µF×6
1
10368
SP
VDD
ANALOG MEMORY CIRCUIT
CLK
VREF MODE
1 AO1 AO2 AO3 MODE VREF VLED
3456
3457
6912
6913
10368
RGND GGND BGND
zPeripheral circuit
IMAGE SENSOR UNIT
13 14 15 12 1 3 5 9 8 10 11 2, 4, 7 6 R3 R3 R2 B G R R3 C1 C3 A 3 A 2 A 1 VDD C2 SP CLK R1 C5
LED GND
C4
VLED
VREF
GND
MODE
R1=R2=100Ω, R3=100KΩ C1=C2=47µF C3=100µF, C4=0.1µF, C5=100pF
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Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Upon actual use, therefore, please request that specifications to be separately delivered. Application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. Please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. Any data, including, but not limited to application circuit diagrams information, described herein are in.