Datasheet

AD9648
Rev. 0 | Page 24 of 44
EQUIVALENT CIRCUITS
AVDD
VIN±x
09975-039
Figure 34. Equivalent Analog Input Circuit
CLK+
CLK–
0.9V
15kΩ
5Ω
5Ω
15kΩ
09975-040
Figure 35. Equivalent Clock Input Circuit
DRVDD
PAD
09975-047
Figure 36. Equivalent Digital Output Circuit
30kΩ
30kΩ
SDIO/DCS
350Ω
AVDD
DRVDD
09975-042
Figure 37. Equivalent SDIO/DCS Input Circuit
350Ω
DRVDD
30kΩ
SCLK/DFS, SYNC,
OEB, AND PDWN
09975-045
Figure 38. Equivalent SCLK/DFS, SYNC, OEB, and PDWN Input Circuit
SENSE
375Ω
AVDD
09975-043
Figure 39. Equivalent SENSE Circuit
30kΩ
CSB
350Ω
AVDD
DRVDD
09975-044
Figure 40. Equivalent CSB Input Circuit
7.5kΩ
VREF
375Ω
AVDD
09975-048
Figure 41. Equivalent VREF Circuit