AD9648 Analog Devices, AD9648 Datasheet - Page 24
AD9648
Manufacturer Part Number
AD9648
Description
14-Bit, 125 MSPS/105 MSPS, 1.8 V Dual Analog-to-Digital Converter
Manufacturer
Analog Devices
Datasheet
1.AD9648.pdf
(44 pages)
Specifications of AD9648
Resolution (bits)
14bit
# Chan
2
Sample Rate
125MSPS
Interface
Par
Analog Input Type
Diff-Uni
Ain Range
(2Vref) p-p,2 V p-p
Adc Architecture
Pipelined
Pkg Type
CSP
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AD9648
EQUIVALENT CIRCUITS
SDIO/DCS
CLK+
CLK–
PAD
Figure 37. Equivalent SDIO/DCS Input Circuit
Figure 36. Equivalent Digital Output Circuit
Figure 34. Equivalent Analog Input Circuit
Figure 35. Equivalent Clock Input Circuit
VIN±x
DRVDD
AVDD
350Ω
30kΩ
30kΩ
5Ω
5Ω
AVDD
DRVDD
15kΩ
15kΩ
0.9V
Rev. 0 | Page 24 of 44
SCLK/DFS, SYNC,
OEB, AND PDWN
Figure 38. Equivalent SCLK/DFS, SYNC, OEB, and PDWN Input Circuit
VREF
CSB
SENSE
Figure 40. Equivalent CSB Input Circuit
Figure 39. Equivalent SENSE Circuit
Figure 41. Equivalent VREF Circuit
350Ω
AVDD
DRVDD
7.5kΩ
AVDD
AVDD
350Ω
DRVDD
375Ω
30kΩ
30kΩ
375Ω