AD9444
EQUIVALENT CIRCUITS
AVDD2
VIN+
AVDD2
2.5pF
1kΩ
3.5V
X1
SHA
AVDD2 1kΩ
VIN–
2.5pF
Figure 6. Equivalent Analog Input Circuit
DRVDD DRVDD
1.2V
LVDSBIAS
3.74kΩ
K
ILVDSOUT
Figure 7. Equivalent LVDS BIAS Circuit
DRVDD
V
V
DX–
DX+
V
V
Figure 8. Equivalent LVDS Digital Output Circuit
DRVDD
DX
Figure 9. Equivalent CMOS Digital Output Circuit
VDD
DCS MODE,
OUTPUT MODE,
DFS
30kΩ
Figure 10. Equivalent Digital Input Circuit,
DFS, DCS MODE, OUTPUT MODE
AVDD2
CLK+
12kΩ
150Ω
10kΩ
12kΩ
150Ω
10kΩ
CLK–
Figure 11. Equivalent Sample Clock Input Circuit
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