Dear Analog Devices,
We are about to use the ADF4356 in one of of our new designs and I have got a question:
In the datasheet, it says that we should use to separate regulators (low noise LDOs) for the 3V3 Analog and 3V3 Digital respectively. Do we have to use TWO regulators for this purpose? Is ONE not going to do in terms of ensuring decent phase noie? If the 3V3 can be supplied by a single low noise linear regulator (that can handle the overall output current for both AVDD and DVDD) can we not power them up from the same regulator?