A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the signal traces short and away from noise sources. Use a common mode filter or a ferrite bead to reduce EMI.
Use a thermal pad or a heat sink to keep the junction temperature below 125°C. Ensure good airflow and avoid blocking airflow around the device. Follow the recommended thermal design guidelines.
Use a low-noise, high-PSRR power supply with a minimum of 1.8V and a maximum of 3.3V. Ensure the power supply can provide the required current (up to 1.2A). Add decoupling capacitors close to the device.
Use the power-down mode (PD) to reduce power consumption when the device is not in use. Adjust the clock frequency and voltage to minimize power consumption. Use the built-in power-saving features, such as the low-power idle mode.
Use differential signaling, keep signal traces short and matched, and avoid vias and right-angle bends. Add series termination resistors and use a common mode filter or a ferrite bead to reduce EMI.
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HEDL-5540#A12 Overview
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