Datasheet

AD9649
Rev. 0 | Page 16 of 32
EQUIVALENT CIRCUITS
A
V
DD
V
IN±
08539-039
Figure 27. Equivalent Analog Input Circuit
7.5kΩ
VREF
375Ω
A
V
DD
08539-047
Figure 28. Equivalent VREF Circuit
S
ENSE
375Ω
A
V
DD
08539-046
Figure 29. Equivalent SENSE Circuit
CLK+
CLK–
0.9V
15kΩ
5Ω
5Ω
15kΩ
08539-040
Figure 30. Equivalent Clock Input Circuit
DR
V
DD
08539-042
Figure 31. Equivalent D0 to D13 and OR Digital Output Circuit
350Ω
DR
V
DD
30kΩ
SCLK/DFS,
MODE,
SDIO/PDWN
08539-043
Figure 32. Equivalent SCLK/DFS, MODE and SDIO/PDWN Input Circuit
30kΩ
CSB
350Ω
AVDD
DR
V
DD
08539-045
Figure 33. Equivalent CSB Input Circuit
RBIAS
A
ND VCM
375Ω
A
V
DD
08539-044
Figure 34. Equivalent RBIAS, VCM Circuit