AD9269 Analog Devices, AD9269 Datasheet - Page 18

• Manufacturer Part Number: AD9269
• Description: 16-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Dual Analog-to-Digital Converter
• Manufacturer: Analog Devices

Specifications of AD9269

• Resolution (bits): 16bit
• # Chan: 2
• Sample Rate: 80MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: 2 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

AD9269
EQUIVALENT CIRCUITS
Figure 31. Equivalent SCLK/DFS, SYNC, OEB, and PDWN Input Circuit
SCLK/DFS, SYNC,
OEB, AND PDWN
SDIO/DCS
VREF
CLK+
CLK–
Figure 30. Equivalent SDIO/DCS Input Circuit
Figure 29. Equivalent Analog Input Circuit
Figure 33. Equivalent Clock Input Circuit
Figure 32. Equivalent VREF Circuit
VIN±x
DRVDD
AVDD
AVDD
AVDD
AVDD
350Ω
30kΩ
7.5kΩ
5Ω
5Ω
350Ω
DRVDD
AVDD
30kΩ
30kΩ
15kΩ
15kΩ
375Ω
0.9V
Rev. 0 | Page 18 of 40
AND VCM
CSB
Figure 34. Equivalent Digital Output Circuit
RBIAS
SENSE
Figure 35. Equivalent RBIAS, VCM Circuit
Figure 36. Equivalent CSB Input Circuit
Figure 37. Equivalent SENSE Circuit
350Ω
AVDD
DRVDD
DRVDD
AVDD
AVDD
375Ω
375Ω
30kΩ