Rev. 2.00 Figure 14. Pixel Timing Showing Pipeline Delay Pipeline Delay The digital outputs, DB[11:0] and OVER, are synchro- nized " />
參數(shù)資料
型號： XRD98L61AIV-F
廠商： Exar Corporation
文件頁數(shù)： 19/38頁
文件大?。?/td> 0K
描述： IC CCD DIGITIZER 12BIT 48TQFP
標(biāo)準包裝： 250
位數(shù)： 12
通道數(shù)： 1
電壓 - 電源，模擬： 2.7 V ~ 3.6 V
電壓 - 電源，數(shù)字： 2.7 V ~ 3.6 V
封裝/外殼： 48-TQFP
供應(yīng)商設(shè)備封裝： 48-TQFP（7x7）
包裝： 托盤
XRD98L61
26
Rev. 2.00
Figure 14. Pixel Timing Showing Pipeline Delay
Pipeline Delay
The digital outputs, DB[11:0] and OVER, are synchro-
nized to ADCLK. When ADCLKpol=0 (default), the
digital outputs change on the rising edge of ADCLK.
Figure 14 shows the pipeline delay (latency) from
sampling a pixel at the CDS input, until the
coresponding data is available at the digital output.
SPIXopt
In the default case shown in Figure 15, SPIXopt=0, the
internal sample video switches turn ON a programmed
delay after the SBLK pulse ends, and turn OFF at the
end of the SPIX pulse. The turn ON delay is pro-
grammed by DelayB[8:6].
When SPIXopt = 1, the internal SPIX switches are
controlled only by the SPIX pulse. This mode is
intended for camera systems where the designer has
the ability to externally fine tune both the rising and
falling edges of SPIX to achieve optimum performance
(see Figure 16).
CCD
Signal
SBLK
SPIX
ADCLK
Black Level
Video
Level
DB[11:0]
Sample
PGAout
Sample
Black
Sample
Video
bit 11
bit 10
bit 9
bit 8
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bits
1 & 0
Error
Correction
Pixel N
Pixel N+1
Pixel N-1
Pixel N-2
Pixel N-3
Pixel N-4
Pixel N-5
Pixel N-6
Pixel N-7
7.5 Pixel Pipeline Delay
Pixel N-8
t
DL
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參數(shù)描述
XRD98L61EVAL 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 Eval Board for XRD98L61AIV RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
XRD98L61ZEVAL 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 Eval Board (Solder) XRD98L61AIV RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
XRD98L62 制造商:EXAR 制造商全稱:EXAR 功能描述:CCD Image Digitizers with CDS, PGA and 12-Bit A/D
XRD98L62ACV 制造商:EXAR 制造商全稱:EXAR 功能描述:CCD Image Digitizers with CDS, PGA and 12-Bit A/D
XRD98L62ACV-F 功能描述:視頻 IC RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
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