The recommended power-up sequence is to apply the analog power supply (AVDD) first, followed by the digital power supply (DVDD), and then the clock signal. This ensures proper initialization of the device.
To optimize for low power consumption, ensure that the device is operated at the lowest possible clock frequency, disable unused features, and use the power-down mode when not in use. Additionally, consider using a lower voltage supply and optimizing the analog circuitry for low power.
The maximum allowed capacitance for the analog input pins is 10nF. Exceeding this value may affect the device's performance and stability.
To troubleshoot issues with the I2S interface, verify that the clock signals are properly aligned, check the I2S format and bit depth settings, and ensure that the slave mode is properly configured. Also, check the signal integrity and noise levels on the I2S lines.
To minimize noise and interference, keep analog and digital signals separate, use a star-ground configuration, and avoid running analog signals near digital signals. Use a 4-layer PCB with a solid ground plane and a separate power plane for analog and digital supplies.
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
