DWC ADC 12b5M SAR, TSMC180 IP Databook
April 2012 Synopsys, Inc. 29-30
13 PCB Guidelines
Power supply decoupling should be done according to the figure below. At least the 10nF
capacitors should be ceramic (good quality), and must be placed as close as possible to the
chip.
Figure 17 - Power supply and reference decoupling
Reference
Voltage
Analog
VDD
Analog
Ground
1uF//10nF
1uF//10nF
vrefp
avdd
agnd
SAR
ADC
In case
vrefp=avdd
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