AD9648 Analog Devices, AD9648 Datasheet - Page 24

• Manufacturer Part Number: AD9648
• Description: 14-Bit, 125 MSPS/105 MSPS, 1.8 V Dual Analog-to-Digital Converter
• Manufacturer: Analog Devices

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

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