Datasheet

AD9640
Rev. B | Page 19 of 52
EQUIVALENT CIRCUITS
V
IN
06547-004
Figure 8. Equivalent Analog Input Circuit
1.2V
10kΩ 10kΩ
C
LK+
CLK–
AVDD
06547-005
Figure 9. Equivalent Clock Input Circuit
0
6547-081
DRVDD
DRGND
Figure 10. Digital Output
SDIO/DCS
1kΩ
26kΩ
06547-007
DRVDD
DVDD
DRVDD
DVDD
Figure 11. Equivalent SDIO/DCS or SMI SDFS Circuit
06547-011
DVDD
SCLK/DFS
1kΩ
26kΩ
Figure 12. Equivalent SCLK/DFS Input Circuit
SENSE
1kΩ
06547-009
Figure 13. Equivalent SENSE Circuit
CSB
1kΩ
26kΩ
DVDD
06547-010
DVDD
Figure 14. Equivalent CSB Input Circuit
06547-096
V
REF
AVDD
6kΩ
Figure 15. Equivalent VREF Circuit