Datasheet

Data Sheet AD9253
Rev. 0 | Page 21 of 40
EQUIVALENT CIRCUITS
A
V
DD
VIN±x
10065-008
Figure 47. Equivalent Analog Input Circuit
CLK+
CLK–
0.9V
15k
5
5
15k
10065-009
AVDD
A
V
DD
Figure 48. Equivalent Clock Input Circuit
30k
30k
S
DIO/OLM
350
A
V
DD
10065-010
Figure 49. Equivalent SDIO/OLM Input Circuit
DR
V
DD
DRGND
D0–x, D1–x D0+x, D1+x
V
V
V
V
10065-011
Figure 50. Equivalent Digital Output Circuit
350
A
V
DD
30k
SCLK/DTP, SYNC,
AND PDWN
10065-012
Figure 51. Equivalent SCLK/DTP, SYNC, and PDWN Input Circuit
RBIAS
A
ND VCM
375
A
V
DD
10065-013
Figure 52. Equivalent RBIAS and VCM Circuit
CSB
350
A
V
DD
30k
10065-014
Figure 53. Equivalent CSB Input Circuit
VREF
10065-015
A
V
DD
7.5k
375
Figure 54. Equivalent VREF Circuit