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LM9833 Datasheet LM9833 48-Bit Color / 1200dpi USB Image Scanner

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: LM9833 48-Bit Color 1200dpi USB Image Scanner October 2001 LM9833 48-Bit Color, 1200dpi USB Image.

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General Description

The LM9833 is a complete USB image scanner system on a single 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.

Key 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 sensor.
  • Provides 50-2400dpi vertical resolution in 1 dpi increments.
  • Pixel rate error correction for gain (shading) and offset errors.
  • Supports 4 or 16Mbit external DRAMs.

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More Datasheets from National Semiconductor (now Texas Instruments)

Part Number Description
LM9830 LM9830 36-Bit Color Document Scanner
LM9831 42-Bit Color / 1200dpi USB Image Scanner
LM9832 LM9832 42-Bit Color / 1200dpi USB Image Scanner
LM9800 8-Bit Greyscale/24-Bit Color Linear CCD Sensor Processor
LM9801 8-Bit Greyscale/24-Bit Color Linear CCD Sensor Processor
LM9810 10/12-Bit Image Sensor Processor Analog Front-End
LM9811 10-Bit Greyscale/30-Bit Color Linear CCD Sensor Processor
LM9812 30-Bit Color Linear CCD Sensor Processor
LM9820 10/12-Bit Image Sensor Processor Analog Front-End
LM9822 3 Channel 42-Bit Color Scanner Analog Front-End