The recommended power-up sequence is to power up the analog supply (VCCA) first, followed by the digital supply (VCCD). This ensures that the analog circuitry is stable before the digital circuitry is powered up.
To optimize clock jitter performance, use a high-quality clock source, such as a crystal oscillator, and ensure that the clock signal is properly terminated and filtered. Additionally, use the internal clock jitter filter (CJF) feature to further reduce jitter.
The maximum allowed input signal level for the PCM4201PW is 2.5 Vrms. Exceeding this level may result in distortion and/or damage to the device.
To configure the PCM4201PW for master clock mode, set the MCLK pin to the desired clock frequency, and set the BCK pin to the desired bit clock frequency. Additionally, set the WS pin to the desired word select frequency, and ensure that the LRCK pin is properly configured for the desired audio format.
The recommended layout and routing for the PCM4201PW involves separating the analog and digital signal paths, using a solid ground plane, and minimizing the length of the clock signal traces. Additionally, use a low-impedance power supply and decouple the power pins with high-quality capacitors.
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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.
