A 4-layer PCB with a solid ground plane and a separate analog ground plane is recommended. Keep analog and digital signals separate, and use a common mode filter to reduce noise.
Use a high-quality clock source, such as a crystal oscillator, and ensure that the clock signal is properly terminated and routed. Also, use the CS5484-INZ's built-in clock synchronization features, such as the SYNC pin, to ensure proper synchronization.
Power up the analog supply (AVDD) first, followed by the digital supply (DVDD). Ensure that the analog supply is stable before applying the digital supply.
Use a high-quality analog input signal, ensure proper input impedance matching, and use the ADC's built-in calibration features. Also, optimize the ADC's sampling rate and resolution for your specific application.
Use a shielded enclosure, keep analog and digital signals separate, and use EMI filters or common mode chokes to reduce radiation. Also, ensure that the PCB layout is optimized for EMI reduction.
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