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| IA3008-CB20A Contact image sensor heads Color image sensor head (300dpi) IA3008-CB20A The IA3008-CB20A is a color image sensor head that uses LED chips of the three colors red, green, and blue. Through the use of ROHM's further improvements in optical technologies and LSI circuit designing, the IA3008-CB20A provides excellent color reproducibility and noise resistance and has taken its place as the industry's highest level compact and lightweight image sensor head. !Applications Color scanners Multi-function printers (MFPs) Image scanning devices !Features 1) Each sensor IC is equipped with a built-in amplifier for greatly increased noise resistance. 2) Red, green, and blue LED chips are used for the light source to obtain excellent color reproducibility. 3) Uses a single power supply operational amplifier. Operation requires only a single 5V power supply. 4) Uses a ceramic board as the base board for excellent dimensional stability, and excellent stability in optical characteristics. !External dimensions (Units : mm) 167.15 34.25 +0.05 -0.25 6 8-R1.5 Effective Depth 0.5 (133) 49.75 0.0 234.4 -0.4 3 218.8 (Effective Reading Width : 216mm) Paper Feed Direction 70.5 1.90.1 5.50.5 No.1 Pixel 4-1.9 181.15 27.25 +0.05 -0.25 Effective Depth 7 (12.9) (10.4) (25) 2-R1.5 Effective Depth 2 No.9 No.1 Note : Deflection at the top of glass : 0~0.25 projection to platen is positive. (Connector Parts Number) Socket Housing: IL-Z-9S-S125C3 (JAE) Socket Contact: IL-Z-C3-A-15000 (JAE) Pin No. No.1 No.2 No.3 No.4 No.5 Signal Ao GND SI CLK VDD Max. 2 (15.5) Max. 1.5 10.6 0.3 A 3.10.5 Pin No. No.6 No.7 No.8 No.9 Signal R-GND G-GND B-GND VLED 14.20.1 19.05 C L 5 IA3008-CB20A Contact image sensor heads !Characteristics 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 VR Max. VR Min. Vod - Typ. 218.8 300 2584 5 4.5 3 0.5 0.25 1.00.1 5~45 Unit mm dpi dots V ms / line MHz V V mV C !Pin assignments No. 1 2 3 4 5 6 7 8 9 Circuit AO GND SI CLK VDD R-GND G-GND B-GND VLED I/O O I I I I I I I I Functions Analog output Ground Serial-in Clock Power supply LED red ground LED green ground LED blue ground LED power supply IA3008-CB20A Contact image sensor heads !Timing chart (a) CLK Timing Chart 1/fCLK tw1 tw2 0 1 11 12 13 CLK tSETUP tHOLD SI ts Ao 1 pixel 2 pixel Fig.1 (b) Data Output Timing Chart After turning on the SI pulse, the analog output shape starts from the setting down point of 12CLK pulse. 0 2 4 6 8 10 12 14 16 CLK SI Ao Note) The CLK section area which is over the effective pixel numbers (Output blank part) cannot be used as the analog Output standard level. IA3008-CB20A Contact image sensor heads !Equivalent circuit 1Fx8 VDD 2584 GND AO SI 2584 BIT SHIFT REGISTER CLK VLED RGND GGND BGND Fig.2 |
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