The maximum cable length supported by the SN75HVD08DR is dependent on the baud rate and the type of cable used. As a general guideline, the maximum cable length is around 100 meters at 9600 bps and 10 meters at 115200 bps.
To ensure reliable data transmission over long distances, it is recommended to use a shielded twisted-pair cable, keep the transmitter and receiver grounds connected, and use a common mode choke or ferrite bead to reduce electromagnetic interference (EMI).
The SN75HVD08DR supports data rates up to 1 Mbps, but the maximum data rate may be limited by the cable length and the baud rate.
Yes, the SN75HVD08DR can be used in a multi-point configuration, but it requires an external multiplexer or a repeater to connect multiple devices to a single bus.
To troubleshoot issues with the SN75HVD08DR, check the power supply voltage, ensure proper termination, verify the baud rate and data format, and use a logic analyzer or oscilloscope to monitor the signal.
SN75HVD08DR datasheet
by Texas Instruments
