Texas Instruments provides a recommended PCB layout in the TLK2201BRCP datasheet, but it's also important to follow general high-speed PCB design guidelines, such as using a solid ground plane, minimizing trace lengths, and using impedance-controlled traces.
To ensure reliable operation in high-temperature environments, it's essential to follow the recommended operating conditions, use a suitable thermal design, and consider the device's thermal derating. Additionally, ensure that the device is properly soldered and that the PCB is designed to handle thermal stresses.
To mitigate EMI and RFI, use a shielded enclosure, keep the device away from noise sources, use a common-mode choke, and ensure that the PCB is designed with EMI and RFI in mind. Additionally, follow the recommended layout and routing guidelines, and use EMI-absorbing materials if necessary.
To troubleshoot issues with the TLK2201BRCP, start by checking the device's power supply, clock signals, and data transmission lines. Use oscilloscopes and logic analyzers to debug the signals, and verify that the device is properly configured and initialized. Consult the datasheet and application notes for troubleshooting guidelines and common pitfalls to avoid.
When using the TLK2201BRCP in a system with multiple voltage domains, ensure that the device's power supply and I/O signals are properly isolated and level-shifted. Use voltage translators or level shifters to ensure that the signals are compatible with the device's voltage domain, and follow the recommended power sequencing and voltage ramp-up guidelines.