WM8781GEDS/V datasheet by Cirrus Logic

WM8781GEDS/V Frequently Asked Questions (FAQs)

• What is the recommended layout and routing for the WM8781GEDS/V?
  Cirrus Logic provides a recommended layout and routing guide in their application note AN-1066, which includes guidelines for PCB layout, component placement, and routing to minimize noise and ensure optimal performance.
• How do I configure the WM8781GEDS/V for different audio formats?
  The WM8781GEDS/V can be configured for different audio formats using the I2C interface. The device has several registers that control the audio format, such as the sample rate, bit depth, and channel mode. Refer to the datasheet and the I2C programming guide for more information.
• What is the power consumption of the WM8781GEDS/V?
  The power consumption of the WM8781GEDS/V depends on the operating mode and the clock frequency. According to the datasheet, the typical power consumption is around 12mA in normal operation mode and 2mA in power-down mode. However, the actual power consumption may vary depending on the specific application and usage.
• How do I troubleshoot issues with the WM8781GEDS/V?
  Cirrus Logic provides a troubleshooting guide in their application note AN-1067, which includes common issues and their solutions, such as noise, distortion, and clocking issues. Additionally, engineers can use tools such as oscilloscopes and logic analyzers to debug the device.
• Is the WM8781GEDS/V compatible with different digital audio interfaces?
  Yes, the WM8781GEDS/V is compatible with different digital audio interfaces, including I2S, TDM, and SPDIF. The device can be configured to support different interfaces using the I2C interface and the appropriate register settings.