AD9257 Analog Devices, AD9257 Datasheet - Page 17

• Manufacturer Part Number: AD9257
• Description: Octal, 14-Bit, 40/65 MSPS Serial LVDS 1.8 V A/D Converter
• Manufacturer: Analog Devices

Data Sheet
EQUIVALENT CIRCUITS
CLK+
CLK–
SDIO/DFS
Figure 37. Equivalent SDIO/DFS Input Circuit
Figure 38. Equivalent Digital Output Circuit
Figure 35. Equivalent Analog Input Circuit
Figure 36. Equivalent Clock Input Circuit
D– x
VIN± x
V
V
AVDD
AVDD
DRVDD
DRGND
AVDD
350Ω
30kΩ
5Ω
5Ω
AVDD
30kΩ
V
V
15kΩ
15kΩ
D+ x
0.9V
Rev. 0 | Page 17 of 40
Figure 39. Equivalent SCLK/DTP, SYNC, and PDWN Input Circuit
SCLK/DTP, SYNC,
VREF
AND VCM
AND PDWN
RBIAS
CSB
Figure 40. Equivalent RBIAS, VCM Circuit
Figure 41. Equivalent CSB Input Circuit
Figure 42. Equivalent VREF Circuit
AVDD
350Ω
7.5kΩ
AVDD
AVDD
350Ω
375Ω
AVDD
30kΩ
30kΩ
375Ω
AD9257