AD9641 Analog Devices, AD9641 Datasheet - Page 16

• Manufacturer Part Number: AD9641
• Description: 14-Bit, 80 MSPS/155 MSPS, 1.8 V Serial Output Analog-to-Digital Converter (ADC)
• Manufacturer: Analog Devices

Specifications of AD9641

• Resolution (bits): 14bit
• # Chan: 1
• Sample Rate: 80MSPS
• Interface: Ser
• Analog Input Type: Diff-Bip
• Ain Range: 1.75 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

AD9641
EQUIVALENT CIRCUITS
CLK+
DOUT+
AVDD
SDIO
Figure 41. Equivalent Analog Input Circuit
Figure 42. Equivalent Clock Input Circuit
4mA
4mA
Figure 44. Equivalent SDIO Circuit
VIN
Figure 43. Digital CML Output
DRVDD
15kΩ
AVDD
DRVDD
R
V
AVDD
TERM
CM
0.9V
30kΩ
15kΩ
350Ω
4mA
4mA
DOUT–
AVDD
CLK–
Rev. B | Page 16 of 36
Figure 47. Equivalent SYNC and DSYNC Input Circuit
Figure 45. Equivalent SCLK or PDWN Input Circuit
OR SYNC
PDWN
SCLK
DSYNC±
CSB
OR
Figure 46. Equivalent CSB Input Circuit
AVDD
AVDD
0.9V
30kΩ
30kΩ
16kΩ
350Ω
350Ω
AVDD
0.9V
Data Sheet