Texas Instruments provides a recommended PCB layout in the datasheet, but it's essential to follow good high-frequency design practices, such as using a solid ground plane, minimizing trace lengths, and avoiding vias under the device. Additionally, ensure that the input and output traces are well-separated to prevent signal coupling.
The CDCLVP2108RGZR can generate output voltages from 0.9V to 3.3V. To choose the correct output voltage, consider the voltage requirements of your downstream components and the power consumption of your system. You can use the VDDO pin to set the output voltage, and the datasheet provides a voltage selection table to help with this process.
The CDCLVP2108RGZR can handle input frequencies up to 210 MHz. However, the maximum input frequency may vary depending on the specific application and the quality of the input signal. It's essential to ensure that the input signal meets the device's input requirements, such as amplitude and jitter, to guarantee proper operation.
The CDCLVP2108RGZR requires a 3.3V power supply (VDD) and a 1.8V power supply (VDDA) for the analog circuitry. Ensure that the power supplies are clean, stable, and well-decoupled to prevent noise and voltage droop. Additionally, follow the recommended power-up sequence to prevent damage to the device.
The typical power consumption of the CDCLVP2108RGZR varies depending on the output frequency, load, and voltage. According to the datasheet, the typical power consumption is around 150mW at 100MHz output frequency and 1.8V output voltage. However, this value can increase or decrease depending on your specific application.
CDCLVP2108RGZR datasheet
by Texas Instruments
