For optimal performance, it's recommended to follow a 4-layer PCB stack-up with a solid ground plane, and to use thermal vias to dissipate heat. A heat sink or thermal pad can also be used to improve thermal management.
To ensure signal integrity and minimize EMI, use a differential pair routing, keep sensitive signals away from noisy components, and use shielding or guard rings around sensitive circuits. Also, follow the recommended layout guidelines in the datasheet.
The recommended power sequencing is to power up the device in the following order: VCC, AVCC, and then DVCC. The voltage ramp-up time should be around 1-2 ms to ensure proper device operation.
Use a logic analyzer or oscilloscope to capture waveforms and debug signals. Check the device's status registers and error flags to identify potential issues. Also, consult the datasheet and application notes for troubleshooting guidelines.
The recommended component values can be found in the datasheet's application circuit diagram. For custom designs, use simulation tools like SPICE or ADS to optimize component values for the specific application.