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參數(shù)資料
| 型號： | AD9925BBCZ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | CCD Signal Processor with Vertical Driver and Precision Timing Generator |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PBGA96 |
| 封裝： | 8 X 8 MM, 0.65 MM PITCH, LEAD FREE, PLASTIC, CSBGA-96 |
| 文件頁數(shù)： | 39/96頁 |
| 文件大?。?/td> | 1447K |
| 代理商： | AD9925BBCZ |
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AD9925
Rev. A | Page 39 of 96
VD
SUBCK
VSUB OPERATION:
1. ACTIVE POLARITY IS POLARITY (ABOVE EXAMPLE IS VSUB ACTIVE HIGH).
2. ON-POSITION IS PROGRAMMABLE, MODE 0 TURNS ON AT THE START OF EXPOSURE, MODE 1 TURNS ON AT THE START OF READOUT.
3. OFF-POSITION OCCURS AT END OF READOUT.
4. OPTIONAL VSUB KEEP-ON MODE WILL LEAVE THE VSUB ACTIVE AT THE END OF READOUT.
XSG
VSUB
3
1
2
2
4
MODE 0
MODE 1
TRIGGER
VSUB
0
t
EXP
READOUT
Figure 48. VSUB Programmability
VD
SUBCK
MSHUT PROGRAMMABLE SETTINGS:
1. ACTIVE POLARITY.
2. ON-POSITION IS VD UPDATED AND MAY BE SWITCHED ON AT ANY TIME.
3. OFF-POSITION CAN BE PROGRAMMED ANYWHERE FROM THE FIELD OF LAST SUBCK UNTIL THE FIELD BEFORE READOUT.
XSG
MSHUT
3
1
2
TRIGGER
EXPOSURE
AND MSHUT
0
t
EXP
Figure 49. MSHUT Output Programmability
TRIGGER Register Limitations
Although the TRIGGER register can be used to perform a com-
plete exposure and readout operation, there are limitations on
its use.
Once an exposure-plus readout operation has been triggered,
another exposure/readout operation cannot be triggered right
away. There must be at least one idle field (VD intervals) before
the next exposure/readout can be triggered. The same limita-
tion applies to the triggering of the MSHUT signal. There
must be at least one idle field after the completion of the
MSHUT OFF operation before another MSHUT OFF opera-
tion can be programmed.
The VSUB trigger requires two idle fields between expo-
sure/readout operations in order to ensure proper VSUB on/off
triggering. If the VSUB signal is not required to be turned on
and off in between each successive exposure/readout operation,
then this limitation can be ignored. Using the VSUB keep-on
mode is useful when successive exposure/readout operations
are required.
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| AD9927 | 14-Bit CCD Signal Processor with V-Driver and Precision TimingTM Generator |
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| AD9927BBCZRL | 14-Bit CCD Signal Processor with V-Driver and Precision TimingTM Generator |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD9925BBCZRL | 制造商:Analog Devices 功能描述:IC 12-BIT SIGNAL PROCESSOR |
| AD9925KBCZ | 制造商:Analog Devices 功能描述:12 BIT, 36 MSPS CCD SIGNAL PROCESSOR W/VERTICAL DRIVER - Bulk |
| AD9926BBCZ | 制造商:Analog Devices 功能描述: |
| AD9926BBCZRL | 制造商:Analog Devices 功能描述: |
| AD9927 | 制造商:AD 制造商全稱:Analog Devices 功能描述:14-Bit CCD Signal Processor with V-Driver and Precision TimingTM Generator |
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