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AD9681 Datasheet(PDF) 18 Page - Analog Devices

Part # AD9681
Description  Octal, 14-Bit, 125 MSPS, Serial LVDS, 1.8 V Analog-to-Digital Converter
PDF  40 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD9681 Datasheet(HTML) 18 Page - Analog Devices

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AD9681
Data Sheet
Rev. A | Page 18 of 40
EQUIVALENT CIRCUITS
AVDD
VIN±y1, VIN±y2
Figure 27. Equivalent Analog Input Circuit
CLK+
CLK–
0.9V
15kΩ
10Ω
10Ω
15kΩ
AVDD
AVDD
Figure 28. Equivalent Clock Input Circuit
SDIO/OLM
AVDD
400Ω
31kΩ
Figure 29. Equivalent SDIO/OLM Input Circuit
DRVDD
D0–x1, D1–x1,
D0–x2, D1–x2
D0+x1, D1+x1,
D0+x2, D1+x2
V
V
V
V
Figure 30. Equivalent Digital Output Circuit
350Ω
AVDD
30kΩ
SCLK/DTP, SYNC,
AND PDWN
Figure 31. Equivalent SCLK/DTP, SYNC, and PDWN Input Circuit
RBIAS1, RBIAS2
AND VCM1, VCM2
375Ω
AVDD
Figure 32. Equivalent RBIASx and VCMx Circuit
CSB1,
CSB2
350Ω
AVDD
30kΩ
Figure 33. Equivalent CSBx Input Circuit
VREF
AVDD
7.5kΩ
375Ω
Figure 34. Equivalent VREF Circuit



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