The recommended PCB layout for the MAX297CWE+ is to use a 4-layer board with a solid ground plane, and to keep the analog and digital signals separate. Additionally, it's recommended to use a common-mode choke and a shielded cable for the CAN bus lines.
To ensure EMC with the MAX297CWE+, it's recommended to follow proper PCB layout and design guidelines, use a shielded enclosure, and add EMI filters and chokes as needed. Additionally, the device should be placed away from high-frequency sources and antennas.
The maximum cable length supported by the MAX297CWE+ depends on the specific application and the type of cable used. However, as a general rule, the maximum cable length should not exceed 40 meters for a 1 Mbps CAN bus and 10 meters for a 500 kbps CAN bus.
To troubleshoot CAN bus communication issues with the MAX297CWE+, check the CAN bus voltage levels, ensure proper termination, and verify that the device is properly configured. Use a CAN bus analyzer or oscilloscope to monitor the bus activity and identify any errors or faults.
The MAX297CWE+ is compatible with other CAN transceiver devices that conform to the ISO 11898-2 standard. However, it's recommended to verify the compatibility of specific devices and ensure that they operate at the same baud rate and voltage levels.
MAX297CWE+ datasheet
by Maxim Integrated Products
