A good PCB layout for the MAX3086EEPD+ involves keeping the high-frequency signals away from the analog signals, using a solid ground plane, and minimizing the length of the traces. It's also recommended to use a shielded enclosure to reduce EMI.
To ensure proper termination, use a 50Ω termination resistor at the receiver end, and make sure the transmission line is properly matched to the characteristic impedance of the PCB material. Also, use a series termination resistor at the transmitter end if necessary.
The maximum cable length supported by the MAX3086EEPD+ depends on the specific application and the type of cable used. However, as a general guideline, the MAX3086EEPD+ can support cable lengths up to 100 meters at data rates up to 3.125 Gbps.
To troubleshoot issues with the MAX3086EEPD+, start by checking the power supply voltage, then verify the clock signal and data transmission. Use an oscilloscope to check the signal integrity and look for any signs of signal degradation or distortion. Also, check the PCB layout and termination to ensure they are correct.
The recommended power-up sequence for the MAX3086EEPD+ is to power up the VCC supply first, followed by the VEE supply. This ensures that the internal voltage regulators are properly powered up and stabilized before the device becomes active.