A good PCB layout for the TAS5624ADDV involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the power supply. TI provides a recommended PCB layout in the datasheet and application notes.
To optimize thermal performance, ensure good airflow around the device, use a heat sink if possible, and avoid blocking the thermal pads on the package. TI provides thermal design guidelines in the datasheet and application notes.
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 device initialization and prevents latch-up.
TI provides a troubleshooting guide in the datasheet and application notes. Common issues include incorrect power-up sequence, inadequate power supply decoupling, and incorrect clock signal configuration. Use an oscilloscope to verify signal integrity and check the device's status registers for error flags.
To ensure EMI and EMC compliance, use a shielded enclosure, keep the device away from antennas and other EMI-sensitive components, and use EMI filters on the power supply and signal lines. TI provides EMI and EMC guidelines in the datasheet and application notes.