Linear image sensors offer 2000 DPI resolution

Linear image sensors offer 2000 DPI resolution

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By eeNews Europe

The pixel values are output with a clock signal of up to 5MHz. The 600 μm pixels are pitched at 12.7μm (2000 DPI) without gaps or distortion and are thus ideal for use in triangulation or spectroscopy applications. The integrated control logic needs only a start and clock signal to generate the light/voltage conversion at the analog output. The asynchronous, global, electronic shutter allows a flexible control of the exposure time. To perform a coarse quick scan, for example, the physical resolution of 2000 DPI can be electronically reduced by a factor of 2, 4, or 8. Resolution reduction is achieved either by averaging (gain unchanged) or binning (gain increase). The chips operate from a 5V supply voltage, but the analog output driver can be supplied from an additional lower voltage.

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