The recommended power-up sequence is to apply the analog supply voltage (AVDD) first, followed by the digital supply voltage (DVDD) and then the clock signal. This ensures proper initialization of the device.
To optimize the analog input impedance, use a low-impedance source, such as a buffer amplifier, and ensure the input signal is properly terminated. Additionally, consider using a balun or transformer to match the impedance of the input signal to the ADC.
The maximum clock frequency for the ADS5463IPFP is 650 MSPS. However, the actual clock frequency may be limited by the specific application and system requirements.
To handle metastability issues, use a synchronizer circuit or a metastable-resistant flip-flop to resynchronize the data output. Additionally, consider using a clock domain crossing (CDC) circuit to ensure proper synchronization between clock domains.
To minimize noise and ensure proper operation, follow good PCB layout and routing practices, such as separating analog and digital signals, using ground planes, and minimizing signal trace lengths and vias.
ADS5463IPFP datasheet
by Texas Instruments
