The recommended layout and placement for the WM8918CGEFL/V can be found in the Cirrus Logic application note AN215, which provides guidelines for PCB layout, component placement, and thermal management.
To optimize the WM8918CGEFL/V for low power consumption, ensure that the device is operated in the correct power mode (e.g., low-power mode), minimize the number of active circuits, and use the power-down mode when not in use. Additionally, optimize the system's clock frequency and voltage supply to minimize power consumption.
The WM8918CGEFL/V has a maximum junction temperature of 150°C. Ensure good thermal conductivity between the device and the PCB, use thermal vias, and provide adequate airflow to prevent overheating. A thermal pad or heat sink may be required for high-power applications.
To troubleshoot issues with the WM8918CGEFL/V, start by verifying the power supply and clock signals. Check the device's configuration and register settings, and ensure that the device is properly reset. Use oscilloscopes and logic analyzers to debug digital signals, and consult the datasheet and application notes for troubleshooting guides.
To minimize EMI and EMC issues with the WM8918CGEFL/V, ensure proper PCB layout and shielding, use EMI filters and shielding on I/O lines, and follow good design practices for signal routing and grounding. Consult the datasheet and application notes for specific guidelines.
WM8918CGEFL/V datasheet
by Cirrus Logic
