A good PCB layout for the SN65LVDT386DGGR involves keeping the differential pairs as close together as possible, using a solid ground plane, and minimizing the length of the traces. It's also recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
To ensure signal integrity with the SN65LVDT386DGGR, it's essential to maintain a controlled impedance environment, use differential signaling, and minimize electromagnetic interference (EMI) and radio-frequency interference (RFI). Additionally, use a common-mode choke or a ferrite bead to filter out high-frequency noise.
The maximum cable length supported by the SN65LVDT386DGGR 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 100 meters at data rates of up to 1 Gbps.
To troubleshoot issues with the SN65LVDT386DGGR, start by checking the power supply voltage, ensuring that it's within the recommended range. Then, verify that the device is properly configured and that the input signals are within the specified range. Use an oscilloscope to check the signal integrity and look for any signs of noise or distortion.
While the SN65LVDT386DGGR is designed for differential signaling, it can be used in non-differential signaling applications with some limitations. However, this may compromise the device's performance and noise immunity. It's recommended to use the device in its intended differential mode for optimal performance.
SN65LVDT386DGGR datasheet
by Texas Instruments
