參數(shù)資料
型號: AD9849AKSTZRL
廠商: Analog Devices Inc
文件頁數(shù): 11/32頁
文件大?。?/td> 0K
描述: IC CCD SIGNAL PROC 12BIT 48LQFP
標準包裝: 2,000
類型: CCD 信號處理器,12 位
輸入類型: 邏輯
輸出類型: 邏輯
接口: 3 線串口
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應商設備封裝: 48-LQFP(7x7)
包裝: 帶卷 (TR)
REV. A
AD9848/AD9849
–19–
NOTES
1. PIXEL CLOCK PERIOD IS DIVIDED INTO 48 POSITIONS, PROVIDING FINE EDGE RESOLUTION FOR HIGH SPEED CLOCKS.
2. THERE IS A FIXED DELAY FROM THE CLI INPUT TO THE INTERNAL PIXEL PERIOD POSITIONS (
tCLIDLY = 6 ns TYP).
P[0]
P[48] = P[0]
P[12]
P[24]
P[36]
1 PIXEL
PERIOD
...
CLI
tCLIDLY
POSITION
Figure 4. High Speed Clock Resolution from CLI Master Clock Input
H1/H3
H2/H4
CCD SIGNAL
RG
(1)
(2)
(3)
(4)
(5)
(6)
NOTES
PROGRAMMABLE CLOCK POSITIONS:
(1) RG RISING EDGE AND (2) FALLING EDGE
(3) SHP AND (4) SHD SAMPLE LOCATION
(5) H1/H3 RISING EDGE POSITION AND (6) FALLING EDGE POSITION (H2/H4 ARE INVERSE OF H1/H3)
Figure 5. High Speed Clock Programmable Locations
P[0]
PIXEL
PERIOD
RG
H1/H3
RGf[12]
P[48] = P[0]
Hf[24]
SHP[28]
CCD SIGNAL
P[24]
P[12]
P[36]
Hr[0]
RGr[0]
SHD[48]
NOTES
1. ALL SIGNAL EDGES ARE FULLY PROGRAMMABLE TO ANY OF THE 48 POSITIONS WITHIN ONE PIXEL PERIOD.
2. DEFAULT POSITIONS FOR EACH SIGNAL ARE SHOWN ABOVE.
POSITION
tS1
Figure 6. High Speed Clock Default and Programmable Locations
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