参数资料
型号: AD9849AKSTZ
厂商: Analog Devices Inc
文件页数: 11/32页
文件大小: 0K
描述: IC CCD SIGNAL PROC 12BIT 48LQFP
标准包装: 1
类型: CCD 信号处理器,12 位
输入类型: 逻辑
输出类型: 逻辑
接口: 3 线串口
安装类型: 表面贴装
封装/外壳: 48-LQFP
供应商设备封装: 48-LQFP(7x7)
包装: 托盘
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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