A good PCB layout for the DS90CF363BMT/NOPB involves keeping the input and output traces as short as possible, using a solid ground plane, and minimizing the distance between the device and the connectors. It's also recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
The DS90CF363BMT/NOPB requires a single 3.3V power supply. It's recommended to use a low-dropout linear regulator or a switching regulator with a low output voltage ripple to power the device. The power sequencing requirement is to power up the VCC pin before the input signals.
The maximum cable length supported by the DS90CF363BMT/NOPB depends on the type of cable and the frequency of operation. As a general guideline, the device can support cable lengths of up to 10 meters at 1 Gbps and up to 5 meters at 3 Gbps using a 24 AWG coaxial cable.
To troubleshoot issues with the DS90CF363BMT/NOPB, first check the power supply voltage and ensure it's within the recommended range. Then, verify that the input signals are correct and within the specified amplitude and frequency range. Use an oscilloscope to check the output signals and verify that they meet the expected specifications. If the issue persists, check the PCB layout and ensure that it meets the recommended layout guidelines.
The DS90CF363BMT/NOPB has a maximum junction temperature of 150°C. To ensure reliable operation, it's recommended to keep the device temperature below 125°C. A thermal management strategy can include using a heat sink, thermal interface material, and ensuring good airflow around the device.
DS90CF363BMT/NOPB datasheet
by Texas Instruments
