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.• Digitally programmed color balance controls• Pixel rate offset correction for highest quality in da...

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LM9812 Picture
SeekIC No. : 004396301 Detail

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...

floor Price/Ceiling Price

Part Number:
LM9812
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/10/30

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Product Details

Description



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 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




Application

• Color Flatbed Document Scanners
• Color Sheetfed Scanners
• Multifunction Imaging Products
• Digital Copiers
• General Purpose Linear CCD Imaging




Pinout

  Connection Diagram


Specifications

Positive Supply Voltage (V+=VA=VD=VDI/O)
With Respect to GND=AGND=DGND=DGNDI/O .............................................................6.5V
Voltage On Any Input or Output Pin ..........................................................0.3V to V++0.3V
Input Current at any pin (Note 3) ............................................................................±25mA
Package Input Current (Note 3) ...............................................................................±50mA
Package Dissipation at TA = 25°C ..........................................................................(Note 4)
ESD Susceptibility (Note 5)
Human Body Model .....................................................................................................2000V
Soldering Information
Infrared, 10 seconds (Note 6) ....................................................................................300°C
Storage Temperature .....................................................................................-65°C to +150°



Description

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.




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