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ILX538K

ETC
Part Number ILX538K
Manufacturer ETC
Description 2-Line Color CCD Linear Sensor
Published Sep 23, 2005
Detailed Description 2-Line Color CCD Linear Sensor with a 1-Line Spacing ILX538K Along with the current rapid growth in the personal comput...
Datasheet PDF File ILX538K PDF File

ILX538K
ILX538K

Overview
2-Line Color CCD Linear Sensor with a 1-Line Spacing ILX538K Along with the current rapid growth in the personal computer market, the color image scanner is poised for rapid growth.
Although Sony has already developed a line of products for color image scanners, we have now developed a new product to support A4-size documents at a deusity of 600 DPI : the ILX538K 2-line color linear sensor with a 1-line spacing.
s s s s s s s s 2-line color linear sensor consisting of an R and B dot-sequential line and a G line Pixel line spacing of 1 line Analog memory included in the CCD block.
Pixel size corresponding to a 7-ยต m pitch Ultra-low lag Excellent linearity Built-in clamp circuit Built-in sample-and-hold circuit 2-Line Color Linear Sensor Consisting of an R and B Dot-sequential Line and a G Line Figure 1 shows the block diagram for a 3-line sensor and figure 2 shows the block diagram of the ILX538K sensor block.
In 3-line sensors, the pixel lines are usually separated by a spacing of several pixel widths.
Application systems normally compensate for this by providing external memory and performing interline interpolation as synchronization processing.
The ILX538K consists of 2 lines, a dotsequential R and B line and a G line and succeeds in reducing the interline spacing to just 1 line.
Analog Memory for Line Synchronization Provided in the CCD Block The ILX538K includes one line of analog memory for each of the R/B and G sensor lines and the CCD registers.
It is possible to perform line data synchronization for the 2-sensor lines using this memory.
This makes external correction (line data synchronization) memory unnecessary, and can significantly simplify the peripheral circuits.
Since this analog memory is provided for both the R/B and G lines, line data synchronization can be performed for scanning in either direction, thus provide a high degree of freedom in end product design.
Excellent Linearity Table 2 lists the electro-optical characteristics of the ILX538K...


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