WM8998ECS/R datasheet by Cirrus Logic

WM8998ECS/R Frequently Asked Questions (FAQs)

• What is the recommended power-up sequence for the WM8998ECS/R?
  The recommended power-up sequence is to apply VDDIO, followed by VDDD, and then VDDA. This ensures that the internal voltage regulators are powered up in the correct order.
• How do I configure the WM8998ECS/R for a specific audio application?
  The WM8998ECS/R can be configured using the I2C interface. The device has several registers that control the audio settings, such as gain, mute, and routing. Refer to the datasheet for the register map and configuration details.
• What is the maximum power consumption of the WM8998ECS/R?
  The maximum power consumption of the WM8998ECS/R depends on the operating mode and the audio configuration. According to the datasheet, the maximum power consumption is around 120mW in the highest power mode. However, this can be reduced to around 10mW in the lowest power mode.
• How do I troubleshoot audio issues with the WM8998ECS/R?
  To troubleshoot audio issues, check the audio signal paths, gain settings, and mute controls. Also, verify that the device is properly configured and that the I2C interface is functioning correctly. Use an oscilloscope or a logic analyzer to debug the audio signals and I2C transactions.
• Is the WM8998ECS/R compatible with other Cirrus Logic audio codecs?
  Yes, the WM8998ECS/R is compatible with other Cirrus Logic audio codecs, such as the WM5102 and WM8997. However, the specific compatibility and configuration may vary depending on the application and the other codec used.