LM9801 datasheet(1/34 Pages) NSC

номер детали	LM9801

подробное описание детали	Greyscale/24-Bit Color Linear CCD Sensor Processor

PDF	34 Pages

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производитель	NSC [National Semiconductor (TI)]

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TLH12814

June 1996

LM9801 8-Bit Greyscale24-Bit Color Linear

CCD Sensor Processor

General Description

The LM9801 is a high performance integrated signal proc-

essordigitizer for linear CCD image scanners The LM9801

performs all the analog processing (correlated double sam-

pling for black level and offset compensation pixel-by-pixel

gain (shading) correction and 8-bit analog-to-digital conver-

sion) 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 inter-

nal configuration register sets CCD and sampling timing to

maximize performance simplifying the design and manufac-

turing processes

The LM9801 can be used with parallel output color CCDs A

signal inversion mode eases use with CIS sensors For com-

plementary voltage reference see the LM4041

Applications

Y

Color and Greyscale Flatbed and Sheetfed Scanners

Y

Fax and Multifunction Peripherals

Y

Digital Copiers

Y

General Purpose Linear CCD Imaging

Features

Y

25 Million pixelss 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 con-

trolled 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

TTLCMOS inputoutput compatible

Key Specifications

Y

Resolution

8 Bits

Y

Pixel Conversion Rate

25 MHz

Y

Supply Voltage

a

5V g 5%

Y

Supply Voltage (Digital IO)

a

33V g 10% or a5V g 5%

Y

Power Dissipation

230 mW (max)

Connection Diagrams

TLH12814 – 1

TLH12814 – 2

Ordering Information

Commercial (0 C s TA s a70 C)

Package

LM9801CCV

V52A 52-Pin Plastic Leaded Chip Carrier

LM9801CCVF

VEG52A 52-Pin Thin Quad Flatpack

TRI-STATE

is a registered trademark of National Semiconductor Corporation

MICROWIRETM is a trademark of National Semiconductor Corporation

SPITM is a trademark of Motorola Inc

C1996 National Semiconductor Corporation

RRD-B30M96Printed in U S A

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Аналогичный номер детали - LM9801

производитель	номер детали	датащи	подробное описание детали
National Semiconductor ...	LM9800	619Kb / 34P	8-Bit Greyscale/24-Bit Color Linear CCD Sensor Processor
National Semiconductor ...	LM9800CCV	619Kb / 34P	8-Bit Greyscale/24-Bit Color Linear CCD Sensor Processor

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Аналогичное описание - LM9801

производитель	номер детали	датащи	подробное описание детали
NEC	UPD3725A	183Kb / 22P	5000-BIT x 3 CCD COLOR LINEAR IMAGE SENSOR
National Semiconductor ...	LM9811	605Kb / 36P	10-Bit Greyscale/30-Bit Color Linear CCD Sensor Processor
National Semiconductor ...	LM9812	479Kb / 37P	LM9812 30-Bit Color Linear CCD Sensor Processor
Texas Instruments	TLC8188	153Kb / 12P	10-BIT, 4 MSPS, CIS/LINEAR CCD SENSOR PROCESSOR
Sony Corporation	ILX516K	132Kb / 11P	3648 X 3pixel CCD Linear Sensor (Color)
	ILX522K	180Kb / 12P	2048 X 2pixel CCD Linear Sensor (Color)
	ILX524K	164Kb / 11P	2700 X 3pixel CCD Linear Sensor (Color)
	ILX716K	145Kb / 12P	3648 X 3pixel CCD Linear Sensor (Color)
National Semiconductor ...	LM9800	619Kb / 34P	8-Bit Greyscale/24-Bit Color Linear CCD Sensor Processor
Exar Corporation	XRD9818	479Kb / 28P	3-CHANNEL 16-BIT LINEAR CCD/CIS SENSOR SIGNAL PROCESSOR

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