AD6641 Analog Devices, AD6641 Datasheet - Page 18

• Manufacturer Part Number: AD6641
• Description: 250 MHz Bandwidth DPD Observation Receiver
• Manufacturer: Analog Devices

EQUIVALENT CIRCUITS
AD6641
CLK+
FILL+
OR
VIN+
VIN–
CML
Figure 29. Equivalent PD[11:0], FULL, EMPTY, PCLK±, and
Figure 28. Equivalent CLK± and FILL± Input Circuit
AVDD
AVDD
AVDD
AVDD
Figure 26. DC Equivalent Analog Input Circuit
Figure 27. AC Equivalent Analog Input Circuit
VIN–
VIN+
CONTROLLED
SP_SDO Output Circuit
SPI
15kΩ
DRGND
DRVDD
AVDD
0.9V
1.3pF
15kΩ
500Ω
500Ω
1kΩ
V
A
AVDD
A
BOOST
IN+
IN–
DC
CLK–
OR
FILL–
Rev. 0 | Page 18 of 28
SDIO
Figure 30. LVDS Outputs (PDOR±, PD[5:0]±, PCLK±)
DRVDD
SCLK
CSB
OUTPUT–
Figure 31. Equivalent SCLK Input Circuit
Figure 32. Equivalent CSB Input Circuit
Figure 33. Equivalent SDIO Circuit
DRVDD
DRVDD
V+
V–
350Ω
DRVDD
350Ω
350Ω
DRVDD
30kΩ
DRVDD
30kΩ
30kΩ
V–
V+
OUTPUT+
DRVDD
DVDD
CTRL