Texas Instruments provides a layout guide in the datasheet, but it's also recommended to follow general high-speed PCB design guidelines, such as using a solid ground plane, minimizing trace lengths, and using differential pairs for clock and data signals.
The clock input should be driven differentially, and the signal should be terminated with a 100-ohm resistor to match the impedance of the clock input. Additionally, the clock signal should be filtered to remove high-frequency noise.
The recommended power-up sequence 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 stable before the digital circuitry is enabled.
To optimize performance in a noisy environment, use shielding, filtering, and decoupling to reduce electromagnetic interference (EMI). Additionally, use a low-noise power supply, and consider using a ferrite bead or common-mode choke to filter the clock signal.
The maximum clock frequency is 65 MSPS, but this can be limited by the specific application and the quality of the clock signal. It's recommended to consult the datasheet and application notes for specific guidance on clock frequency selection.
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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.
