Features: • 6 million pixels/s conversion rate (2MHz/channel x 3)• Pixel rate shading (gain) correction for individual pixels eliminates errors from PRNU, illumination, etc.• Digitally programmed color balance controls• Pixel rate offset correction for highest quality in da...
LM9812: Features: • 6 million pixels/s conversion rate (2MHz/channel x 3)• Pixel rate shading (gain) correction for individual pixels eliminates errors from PRNU, illumination, etc.• Digit...
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• 6 million pixels/s conversion rate (2MHz/channel x 3)
• Pixel rate shading (gain) correction for individual pixels eliminates errors from PRNU, illumination, etc.
• Digitally programmed color balance controls
• Pixel rate offset correction for highest quality in dark regions
• Correlated Double Sampling for lowest noise
• Reference and signal sampling points digitally controlled 20ns increments
• 2x and 4x analog fast preview/low resolution modes
• Digital control of CCD integration time
• Generates all necessary CCD clock signals
• Compatible with a wide range of color linear CCDs and Contact Image Sensors (CIS)
• TTL/CMOS input/output compatible
• Color Flatbed Document Scanners
• Color Sheetfed Scanners
• Multifunction Imaging Products
• Digital Copiers
• General Purpose Linear CCD Imaging
The LM9812 is a high performance integrated signal processor/ digitizer for color linear CCD image scanners. The LM9812 performs all the signal processing (correlated double sampling, pixel rate offset and shading correction, color balance control, and 10-bit analog-to-digital conversion) necessary to maximize the performance of a wide range of linear CCD sensors.
The LM9812 can be digitally programmed to work with a wide variety of CCDs from different manufacturers, including both 3 output RGB and 2 output GRGB CCDs. An internal Configuration Register sets CCD and sampling timing to maximize performance, simplifying the design and manufacturing processes. For complementary voltage reference see the LM4041-ADJ.