Features: • 16 bit ADC digitizes at up to 6Mpixels/s (2M RGB pixels/sec).• Digital Pixel Processing provides 1200, 800, 600, 400, 300,200, 150, and 100dpi horizontal resolution from a 1200dpi sensor and 600, 400, 300, 200, 150, 100, 75, and 50dpi horizontal resolution from a 600dpi sen...
LM9833: Features: • 16 bit ADC digitizes at up to 6Mpixels/s (2M RGB pixels/sec).• Digital Pixel Processing provides 1200, 800, 600, 400, 300,200, 150, and 100dpi horizontal resolution from a 12...
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The LM9833 is a complete USB image scanner system on a sin-gle IC. The LM9833 provides all the functions (image sensor control, illumination control,analog front end, pixel processing function image data buffer/DRAM controller, microstepping motor controller, and USB interface) necessary to create a high performance color scanner. The LM9833 scans images in 48 bit color/16 bit gray, and has output data formats for 48 and 24bit color/16 and 8 bit gray. The LM9833 supports sensors with pixel counts of up to 16384 pixels x 3 colors (1200 dpi x 13.6 inches).
The LM9833's low operating and suspend mode supply currents allow design of USB bus-powered scanners. The only additional active components required are an external 4Mbit or 16Mbit DRAM for data buffering and power transistors for the stepper motor.