AD9865 Analog Devices, AD9865 Datasheet - Page 45
AD9865
Manufacturer Part Number
AD9865
Description
10-Bit Broadband Modem Mixed Signal Front End (MxFE®)
Manufacturer
Analog Devices
Datasheet
1.AD9865.pdf
(48 pages)
Specifications of AD9865
Resolution (bits)
10bit
# Chan
1
Sample Rate
80MSPS
Interface
Par
Analog Input Type
Diff-Uni
Ain Range
6.3 V p-p,8 mV p-p
Adc Architecture
Pipelined
Pkg Type
CSP
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occur during undershoot or overshoot caused by ringing. If the
signal traces cannot be kept shorter than about 1.5 inches, series
termination resistors (33 Ω to 47 Ω) should be placed close to
all digital signal sources. It is a good idea to series-terminate all
clock signals at their source, regardless of trace length.
The receive RX+ and RX− signals are the most sensitive signals
on the entire board. Careful routing of these signals is essential
for good receive path performance. The RX+ and RX− signals
Rev. A | Page 45 of 48
form a differential pair and should be routed together as a pair.
By keeping the traces adjacent to each other, noise coupled onto
the signals appears as common mode and is largely rejected by
the MxFE receive input. Keeping the driving point impedance
of the receive signal low and placing any low-pass filtering of
the signals close to the MxFE further reduces the possibility of
noise corrupting these signals.
AD9865