The recommended power-up sequence is to apply VCC first, followed by VDD, and then the clock signal. This ensures that the internal voltage regulators are powered up correctly and the device is properly initialized.
To configure the PCM2902EG4 for master mode operation, set the M/S pin high, and ensure that the BCK pin is driven by the master clock signal. Additionally, configure the device for the desired data format (e.g., I2S, DSP, or Right-Justified) using the appropriate pin settings and register configurations.
The maximum clock frequency supported by the PCM2902EG4 is 50 MHz. However, the actual clock frequency used may be limited by the specific application and system requirements.
To handle clock jitter and skew, use a high-quality clock source, and ensure that the clock signal is properly terminated and routed. Additionally, consider using a clock jitter attenuator or a phase-locked loop (PLL) to reduce clock jitter and skew.
The recommended layout and routing for the PCM2902EG4 involves keeping the analog and digital signals separate, using a solid ground plane, and minimizing signal traces near the device's analog inputs. Additionally, ensure that the power supply pins are decoupled with capacitors and that the device is placed in a quiet area of the board.
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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.
