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參數(shù)資料
| 型號(hào)： | LM9800CCV |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | 8-Bit 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： | 619K |
| 代理商： | LM9800CCV |
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LM9800
8-Bit Greyscale/24-Bit Color Linear CCD Sensor
Processor
General Description
The LM9800 is a high performance integrated signal
processor/digitizer for linear CCD image scanners. The
LM9800 performs all the analog processing (correlated
double sampling for black level and offset compensation,
pixel-by-pixel gain adjust, and 8-bit analog-to-digital conver-
sion) necessary to maximize the performance of a wide
range of linear CCD sensors.
The LM9800 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 LM9800 can be used with sequential or parallel output
color CCDs. Coarse gain switching brings weak Blue signals
up to Red/Green levels for best performance. For comple-
mentary voltage reference see the LM4041.
Applications
n
Color and Greyscale Flatbed and Sheetfed Scanners
n
General Purpose CCD Imaging
Features
n
2.5 million pixels/s conversion rate
n
Implements Correlated Double Sampling for minimum
noise and offset error
n
Pixel-to-pixel gain correction for individual pixels
maximizes dynamic range and resolution, even on
“weak” pixels
n
Reference and signal sampling points digitally controlled
in 25ns increments for maximum performance
n
Generates all necessary CCD clock signals
n
Compatible with a wide range of linear CCDs
n
TTL/CMOS input/output compatible
Key Specifications
n
Resolution
n
Pixel Conversion Rate
n
Supply Voltage
n
Supply Voltage (Digital I/O)
n
Power Dissipation
8 Bits
2.5MHz
+5V
±
5%
+3.3V
±
10% or +5V
±
5%
210 mW (typ)
Connection Diagram
TRI-STATE
is a registered trademark of National Semiconductor Corporation.
MICROWIRE
is a trademark of National Semiconductor Corporation.
DS012498-1
September 1997
L
1997 National Semiconductor Corporation
DS012498
www.national.com
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| LM9831CCVJD | LM9831 42-Bit Color, 1200dpi USB Image Scanner |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM9800CCVF | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Special Function Video Processor |
| LM9801 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Greyscale/24-Bit Color Linear CCD Sensor Processor |
| LM9801CCV | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Greyscale/24-Bit Color Linear CCD Sensor Processor |
| 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(dòng)開關(guān) Foot Switch RoHS:否 制造商:Omron Electronics 觸點(diǎn)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(jí):IP 67 NEMA 額定值: 端接類型:Wire 安裝:Panel |
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