LM9801 - 8-Bit Greyscale/24-Bit Color Linear CCD Sensor Processor
Description
The LM9801 is a high performance integrated signal processor digitizer for linear CCD image scanners The LM9801 performs all the analog processing (correlated double sampling for black level and offset compensation pixel-by-pixel gain (shading) correction and 8-bit analog-to-digital conversion) nece
Features
Y 2 5 Million pixels s conversion rate Y Pixel-rate shading correction for individual pixels maxi-
mizes dynamic range and resolution even on ‘‘weak’’ pixels Y Implements Correlated Double Sampling for minimum noise and offset error Y Reference and signal sampling points digitally controlled in 25 ns increments for maximum performance Y Generates all necessary CCD clock signals Y Compatible with a wide range of linear CCDs Y Supports some Contact Image Sensors (CIS) Y TTL CMOS input output compa.
LM9801 8-Bit Greyscale 24-Bit Color Linear CCD Sensor Processor
June 1996
LM9801 8-Bit Greyscale 24-Bit Color Linear CCD Sensor Processor
General Description
The LM9801 is a high performance integrated signal processor digitizer for linear CCD image scanners The LM9801 performs all the analog processing (correlated double sampling for black level and offset compensation pixel-by-pixel gain (shading) correction and 8-bit analog-to-digital conversion) necessary to maximize the performance of a wide range of linear CCD sensors
The LM9801 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
The LM9801 can be used w
LM9801 Datasheet
