Datasheet

AD9645 Data Sheet
Rev. 0 | Page 18 of 36
EQUIVALENT CIRCUITS
AVDD
VINx±
10537-036
Figure 43. Equivalent Analog Input Circuit
CLK+
CLK–
0.9V
15kΩ
10Ω
10Ω
15kΩ
AVDD
AVDD
10537-037
Figure 44. Equivalent Clock Input Circuit
31kΩ
SDIO/PDWN
400Ω
DRVDD
10537-038
Figure 45. Equivalent SDIO/PDWN Input Circuit
DRVDD
D0x–, D1x– D0x+, D1x+
V
V
V
V
10537-039
Figure 46. Equivalent Digital Output Circuit
400Ω
DRVDD
30kΩ
SCLK/DFS
10537-040
Figure 47. Equivalent SCLK/DFS Input Circuit
RBIAS
AND VCM
400Ω
AVDD
10537-041
Figure 48. Equivalent RBIAS and VCM Circuit
CSB
400Ω
DRVDD
15kΩ
10537-042
Figure 49. Equivalent CSB Input Circuit
VREF
AVDD
7.5kΩ
400Ω10Ω
10537-043
Figure 50. Equivalent VREF Circuit