PCM4104PFBT datasheet by Texas Instruments

PCM4104PFBT Frequently Asked Questions (FAQs)

• What is the recommended layout and routing for the PCM4104PFBT?
  The recommended layout and routing for the PCM4104PFBT involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the analog signal traces. It's also important to keep the clock and data lines away from the analog signal lines.
• How do I optimize the performance of the PCM4104PFBT in a noisy environment?
  To optimize the performance of the PCM4104PFBT in a noisy environment, use a low-pass filter on the analog input, use a shielded cable for the analog input, and consider using a common-mode filter on the analog input. Additionally, ensure that the power supply is well-regulated and decoupled.
• What is the maximum clock frequency that can be used with the PCM4104PFBT?
  The maximum clock frequency that can be used with the PCM4104PFBT is 50 MHz. However, the actual clock frequency used may be limited by the specific application and the quality of the clock signal.
• How do I handle the thermal dissipation of the PCM4104PFBT?
  The PCM4104PFBT has a thermal pad on the bottom of the package that should be connected to a thermal plane on the PCB to dissipate heat. Ensure that the thermal plane is connected to a heat sink or a metal plate to dissipate heat efficiently.
• What is the recommended power-up sequence for the PCM4104PFBT?
  The recommended power-up sequence for the PCM4104PFBT is to power up the analog supply (AVDD) first, followed by the digital supply (DVDD), and then the clock signal. This ensures that the analog circuitry is powered up before the digital circuitry.