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LM9811 - 10-Bit Greyscale/30-Bit Color Linear CCD Sensor Processor

General Description

The LM9811 is a high performance integrated signal processor/digitizer for linear CCD image scanners.

Key Features

  • n 1.5 Million pixels/s conversion rate n Pixel-rate shading correction for individual pixels maximizes dynamic range and resolution, even on “weak” pixels n Implements Correlated Double Sampling for minimum noise and offset error n Reference and signal sampling points digitally controlled in 40ns increments for maximum performance n Generates all necessary CCD clock signals n Compatible with a wide range of linear CCDs n Supports some Contact Image Sensors (CIS) n TTL/CMOS input/output compatibl.

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LM9811 10-Bit Greyscale/30-Bit Color Linear CCD Sensor Processor April 1998 LM9811 10-Bit Greyscale/30-Bit Color Linear CCD Sensor Processor General Description The LM9811 is a high performance integrated signal processor/digitizer for linear CCD image scanners. The LM9811 performs all the analog processing (correlated double sampling for black level and offset compensation, pixel-by-pixel gain (shading) correction, and 10-bit analog-to-digital conversion) necessary to maximize the performance of a wide range of linear CCD sensors. The LM9811 can be digitally programmed to work with a wide variety of CCDs from different manufacturers. An internal configuration register sets CCD and sampling timing to maximize performance, simplifying the design and manufacturing processes.