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參數資料
| 型號： | AD9948 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 10-Bit CCD Signal Processor with Precision Timing⑩ Core |
| 中文描述： | 10位CCD信號處理器核心精確定時⑩ |
| 文件頁數： | 8/28頁 |
| 文件大小： | 539K |
| 代理商： | AD9948 |
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REV. 0
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AD9948
SYSTEM OVERVIEW
CCD
SERIAL
INTERFACE
DOUT
DIGITAL IMAGE
PROCESSING
ASIC
V-DRIVER
HD, VD
CLI
V1–Vx, VSG1–VSGx, SUBCK
H1–H4, RG
CCDIN
AD9948
INTEGRATED
AFE + TD
Figure 1. Typical Application
Figure 1 shows the typical system application diagram for the
AD9948. The CCD output is processed by the AD9948’s AFE
circuitry, which consists of a CDS, a PxGA, a VGA, a black level
clamp, and an A/D converter. The digitized pixel information is
sent to the digital image processor chip, where all postprocessing
and compression occurs. To operate the CCD, CCD timing
parameters are programmed into the AD9948 from the image
processor through the 3-wire serial interface. From the system
master clock, CLI, provided by the image processor, the AD9948
generates the high speed CCD clocks and all internal AFE clocks.
All AD9948 clocks are synchronized with VD and HD. All of
the AD9948’s horizontal pulses (CLPOB, PBLK, and HBLK)
are programmed and generated internally.
The H-drivers for H1–H4 and RG are included in the AD9948,
allowing these clocks to be connected directly to the CCD.
H-drive voltage of 3 V is supported in the AD9948.
Figure 2a shows the horizontal and vertical counter dimensions
for the AD9948. All internal horizontal clocking is programmed
using these dimensions to specify line and pixel locations.
MAXIMUM FIELD DIMENSIONS
12-BIT HORIZONTAL = 4096 PIXELS MAX
12-BIT VERTICAL = 4096 LINES MAX
Figure 2a. Vertical and Horizontal Counters
VD
HD
MAX VD LENGTH IS 4095 LINES
CLI
MAX HD LENGTH IS 4095 PIXELS
Figure 2b. Maximum VD/HD Dimensions
相關PDF資料 |
PDF描述 |
|---|---|
| AD9948KCP | 10-Bit CCD Signal Processor with Precision Timing⑩ Core |
| AD9948KCPRL | 10-Bit CCD Signal Processor with Precision Timing⑩ Core |
| AD9949KCP | 12-Bit CCD Signal Processor with Precision Timing Core |
| AD9949 | 12-Bit CCD Signal Processor with Precision Timing Core |
| AD9949KCPZRL | 12-Bit CCD Signal Processor with Precision Timing Core |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD9948AKCPZ | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Analog Devices 功能描述: |
| AD9948AKCPZRL | 制造商:Analog Devices 功能描述: |
| AD9948KCP | 制造商:Rochester Electronics LLC 功能描述:10 BIT 25 MSPS, 3V ANALOG FRONT END - Bulk 制造商:Analog Devices 功能描述: |
| AD9948KCPRL | 制造商:Rochester Electronics LLC 功能描述:10 BIT 25 MSPS, 3V ANALOG FRONT END - Bulk 制造商:Analog Devices 功能描述: |
| AD9948KCPZ | 功能描述:IC CCD SIGNAL PROCESSOR 40-LFCSP RoHS:是 類別:集成電路 (IC) >> 接口 - 傳感器和探測器接口 系列:- 其它有關文件:Automotive Product Guide 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:74 系列:- 類型:觸控式傳感器 輸入類型:數字 輸出類型:數字 接口:JTAG，串行 電流 - 電源:100µA 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:20-TSSOP 包裝:管件 |
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