MN86157 Datasheet PDF (Shading Correction LSI) | Download Panasonic Semiconductor MN86157

MN86157 - Shading Correction LSI

Description

of each block.

(1) A/D converter This uses comparison with the reference voltages to convert the scanner's image data signal from the VIN pin to a 7-bit digital output.

Features

Choice of correction range (50% or 75%) depending on extent of shading distortion Parallel A/D converter functions Resolution: 7 bits Non-linearity: ± 1/2 LSB Conversion speed: max. 5 MHz Note: This is the guaranteed design value for the chip used as a stand-alone A/D converter. The guaranteed value at shipment is ±3 LSB Ability to start and stop clock in the middle of a line to support CdS contacting image sensors and other devices with variable scanning rates Overflow pin that simplifies task.

Datasheet Details

Part number	MN86157
Manufacturer	Panasonic Semiconductor
File Size	51.47 KB
Description	Shading Correction LSI
Datasheet	MN86157 Datasheet
Additional preview pages of the MN86157 datasheet.

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Full PDF Text Transcription

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For Communications Equipment MN86157 Shading Correction LSI Overview The MN86157 contains a 7-bit A/D converter for use in correcting, at the bit level, shading distortion for signals from image sensors, optics, and similar sources. It uses external RAM to support adaptive correction that responds to changes in distortion patterns. It also uses ROM to provide fixed correction when a white reference plane signal is not available. The chip is also usable as a stand-alone A/D converter. Pin Assignment Features Choice of correction range (50% or 75%) depending on extent of shading distortion Parallel A/D converter functions Resolution: 7 bits Non-linearity: ± 1/2 LSB Conversion speed: max. 5 MHz Note: This is the guaranteed design value for the chip used as a stand-alone A/D converter.

Published: Dec 27, 2005 |