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參數(shù)資料
| 型號： | TH7899M |
| 廠商： | ATMEL CORP |
| 元件分類： | 圖像傳感器 |
| 英文描述： | Full Field CCDImage Sensor 2048 x 20Pixels48 |
| 中文描述： | IMAGE SENSOR-CCD, 2048(H) X 2048(V) PIXEL, 10.5V, SQUARE, THROUGH HOLE MOUNT |
| 文件頁數(shù)： | 10/24頁 |
| 文件大?。?/td> | 1378K |
| 代理商： | TH7899M |
10
TH7899M
2201A–IMAGE–02/02
TimingDiagram
FullFrameTimingDiagram(WithoutMemoryZone)
Summationoptions:
vs=numberofverticalsummation(vs=1tosum2linesinthereadoutregister),
hs=numberofhorizontalsummation(hs=0tosum2pixelsinthe
φ
Sgate,onlyaddthe
timingdiagramonceoffigure10),
vnbandhnbaredefinedaccordingtothechosenoperatingmodein“”onpage9.
Note:
1. Cleaningperiodconsistsofemptyingtheimagezoneofallchargescreatedbyther-
malgeneration.Toachievesuchcleaning,thereadouttimeTreadoutdefinedinthe
abovediagramshallbeused.Nevertheless,itispossibletoreducecleaningtimeof
theimagezonebyaccumulatingseverallinesintheoutputregister(Figure7)before
readingouttheresultingsignal(Figure9).Thenumberofaccumulatedlinesislimited
bythereadoutregistersaturationlevel.
Cleaning
period
see note 1
Exposure
time
see figure 5
Horizontal
summation
see figure 7
100 ns min
100 ns min
100 ns min
no delay
100 ns min
Vertical tranfer
of one line
see figure 6
Horizontal transfer of
one pixel / readout
The video line comprises:
·
18 inactive prescans
·
7 dark references
·
5 isolation elements
·
2048 useful pixels (1 output)
or 1024 useful pixels
(2 or 4 outputs)
see figure 8
x hnb/(hs+2) minimum
x vnb/(vs+1) minimum (can be continued until exposure time signal appears)
return to exposure time as soon as vnb (vs+1) min vertical transfers are over or when exposure time signal is clocked
x vs
x hs
Readout time T
readout
100 ns min
100 ns min
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