AD9649 Analog Devices, AD9649 Datasheet - Page 16

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AD9649

Manufacturer Part Number
AD9649
Description
14-Bit, 20/40/65/80 MSPS, 1.8 V Analog-to-Digital Converter
Manufacturer
Analog Devices
Datasheet

Specifications of AD9649

Resolution (bits)
14bit
# Chan
1
Sample Rate
80MSPS
Interface
Par
Analog Input Type
Diff-Uni
Ain Range
2 V p-p
Adc Architecture
Pipelined
Pkg Type
CSP

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AD9649
EQUIVALENT CIRCUITS
VREF
CLK+
CLK–
Figure 27. Equivalent Analog Input Circuit
SENSE
Figure 30. Equivalent Clock Input Circuit
Figure 29. Equivalent SENSE Circuit
Figure 28. Equivalent VREF Circuit
VIN±
AVDD
AVDD
7.5kΩ
5Ω
5Ω
AVDD
375Ω
15kΩ
15kΩ
375Ω
0.9V
Rev. 0 | Page 16 of 32
Figure 32. Equivalent SCLK/DFS, MODE and SDIO/PDWN Input Circuit
Figure 31. Equivalent D0 to D13 and OR Digital Output Circuit
SDIO/PDWN
SCLK/DFS,
AND VCM
MODE,
CSB
RBIAS
Figure 34. Equivalent RBIAS, VCM Circuit
Figure 33. Equivalent CSB Input Circuit
350Ω
AVDD
350Ω
DRVDD
DRVDD
DRVDD
AVDD
375Ω
30kΩ
30kΩ

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