參數(shù)資料
型號(hào): TH7899M
廠商: ATMEL CORP
元件分類: 圖像傳感器
英文描述: FullFieldCCDImageSensor 2048x20Pixels48
中文描述: IMAGE SENSOR-CCD, 2048(H) X 2048(V) PIXEL, 10.5V, SQUARE, THROUGH HOLE MOUNT
文件頁(yè)數(shù): 13/24頁(yè)
文件大小: 1378K
代理商: TH7899M
13
TH7899M
2201A–IMAGE–02/02
FrameTransferTiming(WithMemoryZone(s))
Thevideolinecomprises:
18inactiveprescans
7darkreferences
5isolationelements
2048usefulpixels(readoutthroughoneoutput)or1024usefulpixels(readout
through2or4outputs)
Summationoptions:
vs=numberofverticalsummation(vs=1tosum2linesinthereadoutregister),
hs=numberofhorizontalsummation(hs=0tosum2pixelsinthe
φ
Sgate,onlyaddthe
timingdiagramonceoffigure10),
vnbandhnbaredefinedaccordingtothechosenoperatingmodein“”onpage9.
Notes:
1. Cleaningperiodconsistsofemptyingtheimagezoneofallchargescreatedbyther-
malgeneration.Toachievesuchcleaning,theverticaltransferofalloftheimage
zonetothememoryzoneshallbeclockedaccordingtothediagramshowninfigure
12.
2. Memoryzonecleaningperiodconsistsofemptyingthememoryzoneofallcharges
createdbythermalgeneration.Toachievesuchcleaning,theverticaltransferfrom
thememoryzonetothereadoutregistershallbeclockedaccordingtothediagram
showninfigure9.Nevertheless,itispossibletoreducecleaningtimeofthememory
zonebyaccumulatingseverallinesinthereadoutregister(figure9)beforereading
outtheresultinglinesignal(seefigure11).Thenumberofaccumulatedlinesislim-
itedbytheoutputregistersaturationlevel.
Cleaning
period
Vertical tranfer of one line
from the memory zone to
the readout register
Horizontal transfer of
one pixel / readout
Vertical transfer of one line
from the image zone to the
memory zone
Memory zone
cleaning
Horizontal
summation
see note 1
see figure 9
see figure 10
see figure 11
see note 2
see figure 12
x vs
x vnb/(vs+1) minimum
x hs
x hnb/(hs+2) minimum
x nbv minimum
Exposure time
100 ns min
100 ns min
no delay
100 ns min
100 ns min
100 ns min
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