AD6677 datasheet(16/48 Pages) AD

16 / 48 page

AD6677

Data Sheet

Rev. C | Page 16 of 48

EQUIVALENT CIRCUITS

VIN

AVDD

Figure 19. Equivalent Analog Input Circuit

0.9V

15kΩ

CLK+

CLK–

AVDD

Figure 20. Equivalent Clock lnput Circuit

VCM

DRVDD

SERDOUT0±

3mA

RTERM

DRVDD

Figure 21. Digital CML Output Circuit

BIAS

CONTROL

10kΩ

RFCLK

INTERNAL

CLOCK DRIVER

0.5pF

AVDD

Figure 22. Equivalent RF Clock lnput Circuit

400Ω

31kΩ

DVDD

SDIO

Figure 23. Equivalent SDIO Circuit

400Ω

30kΩ

DVDD

PDWN,

SCLK,

Figure 24. Equivalent PDWN, SCLK, or CS Input Circuit

0.9V

17kΩ

SYNCINB+

SYNCINB–

DVDD

Figure 25. Equivalent SYNCINB± Input Circuit

0.9V

17kΩ

SYSREF+

SYSREF–

AVDD

Figure 26. Equivalent SYSREF± Input Circuit

RST

400

Ω

28k

Ω

DVDD

Figure 27. Equivalent RST Input Circuit

400

VCM

Ω

AVDD

Figure 28. Equivalent VCM Circuit

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