A good PCB layout for the DS90C383BMT/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. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
To ensure proper termination, use a 100-ohm differential termination resistor at the receiver end, and a 50-ohm single-ended termination resistor at the transmitter end. Additionally, make sure to use a high-quality, low-loss PCB material and maintain a consistent impedance throughout the transmission line.
The maximum cable length supported by the DS90C383BMT/NOPB depends on the specific application and the type of cable used. However, as a general guideline, the device can support cable lengths of up to 10 meters at a data rate of 1.5 Gbps, and up to 5 meters at a data rate of 3 Gbps.
To troubleshoot issues with the DS90C383BMT/NOPB, use a combination of tools such as oscilloscopes, logic analyzers, and signal generators to analyze the signal quality and data transmission. Check for issues such as signal attenuation, jitter, and noise, and verify that the device is properly configured and terminated.
Yes, the DS90C383BMT/NOPB can be used in a multi-drop bus configuration, but it requires careful consideration of the bus topology, signal loading, and termination. It's recommended to use a star topology with a central hub and multiple branches, and to ensure that each branch is properly terminated to prevent signal reflections.
DS90C383BMT/NOPB datasheet
by Texas Instruments
