AD9261 Analog Devices, AD9261 Datasheet - Page 13

• Manufacturer Part Number: AD9261
• Description: 16-Bit, 10 MHz Bandwidth, 30 MSPS to 160 MSPS Continuous Time Sigma-Delta ADC
• Manufacturer: Analog Devices

Specifications of AD9261

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 160MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: 2 V p-p
• Adc Architecture: Sigma-Delta
• Pkg Type: CSP

EQUIVALENT CIRCUITS
2V p-p DIFFERENTIAL
SCLK
Figure 22. Equivalent Analog Input Circuit
1.8V CM
SDIO
Figure 23. Equivalent Clock Input Circuit
Figure 24. Equivalent SDIO Input Circuit
Figure 25. Equivalent SCLK Input Circuit
CVDD
CLK+
DRVDD
10kΩ
90kΩ
500Ω
500Ω
CVDD
1kΩ
30kΩ
10kΩ
30kΩ
1kΩ
CLK–
Rev. 0 | Page 13 of 28
10µF
CSB
Figure 27. Equivalent Digital Output Circuit
Figure 26. Equivalent CSB Input Circuit
TO CURRENT
GENERATOR
Figure 28. Equivalent VREF Circuit
10kΩ
AVDD
0.5V
26kΩ
1kΩ
2.85kΩ
DRVDD
DRGND
3.5kΩ
8.5kΩ
AD9261