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參數(shù)資料
| 型號： | LM9801CCV |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | Greyscale/24-Bit Color Linear CCD Sensor Processor |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PQCC52 |
| 封裝： | PLASTIC, LCC-52 |
| 文件頁數(shù)： | 1/34頁 |
| 文件大小： | 520K |
| 代理商： | LM9801CCV |
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TL/H/12814
L
June 1996
LM9801 8-Bit Greyscale/24-Bit Color Linear
CCD Sensor Processor
General Description
The LM9801 is a high performance integrated signal proc-
essor/digitizer 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
2.5 Million pixels/s 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
TTL/CMOS input/output compatible
Key Specifications
Y
Resolution
8 Bits
2.5 MHz
a
5V
g
5%
Y
Pixel Conversion Rate
Y
Supply Voltage
Y
Supply Voltage (Digital I/O)
a
3.3V
g
10% or
a
5V
g
5%
Y
Power Dissipation
230 mW (max)
Connection Diagrams
TL/H/12814–1
TL/H/12814–2
Ordering Information
Commercial (0
§
C
s
T
A
s
a
70
§
C)
LM9801CCV
Package
V52A 52-Pin Plastic Leaded Chip Carrier
LM9801CCVF
VEG52A 52-Pin Thin Quad Flatpack
TRI-STATE
é
is a registered trademark of National Semiconductor Corporation.
MICROWIRE
TM
is a trademark of National Semiconductor Corporation.
SPI
TM
is a trademark of Motorola, Inc.
C
1996 National Semiconductor Corporation
RRD-B30M96/Printed in U. S. A.
http://www.national.com
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| LM9822 | LM9822 3 Channel 42-Bit Color Scanner Analog Front End |
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| LM9830VJD | EuroDOCSIS 2.0 Diplexer Filter w/surge protection |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM9801CCVF | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Greyscale/24-Bit Color Linear CCD Sensor Processor |
| LM980-SC3 | 功能描述:基本/快動開關(guān) Foot Switch RoHS:否 制造商:Omron Electronics 觸點形式:SPDT 執(zhí)行器:Lever 電流額定值:5 A 電壓額定值 AC:250 V 電壓額定值 DC:30 V 功率額定值: 工作力:120 g IP 等級:IP 67 NEMA 額定值: 端接類型:Wire 安裝:Panel |
| LM9810 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LM9810/20 10/12-Bit Image Sensor Processor Analog Front End |
| LM9810 WAF | 制造商:Texas Instruments 功能描述: |
| LM9810CCWM | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LM9810/20 10/12-Bit Image Sensor Processor Analog Front End |
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