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參數資料
| 型號： | AD9945 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Complete 12-Bit 40 MHz CCD Signal Processor |
| 中文描述： | 完整的12位40 MHz的CCD信號處理器 |
| 文件頁數： | 12/16頁 |
| 文件大小： | 217K |
| 代理商： | AD9945 |
REV. A
–12–
AD9945
APPLICATIONS INFORMATION
The AD9945 is a complete analog front end (AFE) product for
digital still camera and camcorder applications. As shown in
Figure 10, the CCD image (pixel) data is buffered and sent to the
AD9945 analog input through a series input capacitor. The
AD9945 performs the dc restoration, CDS, gain adjustment, black
level correction, and analog-to-digital conversion. The AD9945’s
digital output data is then processed by the image processing
ASIC. The internal registers of the AD9945—used to control
gain, offset level, and other functions—are programmed by the
ASIC or microprocessor through a 3-wire serial digital interface.
A system timing generator provides the clock signals for both the
CCD and the AFE.
CCD
CCDIN
BUFFER
V
OUT
AD9945
ADC
OUT
REGISTER-
DATA
SERIAL
INTERFACE
DIGITAL
OUTPUTS
DIGITAL IMAGE
PROCESSING
ASIC
TIMING
GENERATOR
V-DRIVE
CCD
TIMING
CDS/CLAMP
TIMING
0.1 F
Figure 10. System Applications Diagram
相關PDF資料 |
PDF描述 |
|---|---|
| AD9945KCP | Complete 12-Bit 40 MHz CCD Signal Processor |
| AD9945KCPRL | Complete 12-Bit 40 MHz CCD Signal Processor |
| AD9945KCPRL7 | Complete 12-Bit 40 MHz CCD Signal Processor |
| AD9945KCPZ2 | Complete 12-Bit 40 MHz CCD Signal Processor |
| AD9945KCPZRL72 | Complete 12-Bit 40 MHz CCD Signal Processor |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD9945KCP | 制造商:Analog Devices 功能描述:AFE Video 1ADC 12-Bit 3V 32-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述:12 BIT 40 MSPS FRONT END CONVERTER - Bulk |
| AD9945KCPRL | 制造商:Analog Devices 功能描述:AFE Video 1ADC 12-Bit 3V 32-Pin LFCSP EP T/R 制造商:Rochester Electronics LLC 功能描述:12 BIT 40 MSPS FRONT END CONVERTER - Tape and Reel |
| AD9945KCPRL7 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AD9945KCPZ | 功能描述:IC CCD SIGNAL PROCESSOR 32-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 |
| AD9945KCPZ | 制造商:Analog Devices 功能描述:CCD Signal Processor IC |
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