A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the analog and digital grounds separate and connect them at a single point. Use a 10nF capacitor between VCC and GND for decoupling.
Use twisted pair cables, shielded cables, or fiber optic cables to reduce electromagnetic interference (EMI). Implement error detection and correction mechanisms, such as CRC or checksum, to ensure data integrity.
The maximum cable length depends on the data rate, cable quality, and noise environment. As a general guideline, keep the cable length below 100 meters for data rates up to 100 Mbps. Use repeaters or active cables for longer distances.
Use the device's built-in redundancy features, such as dual-channel operation, to ensure high availability. Configure the device in master-slave mode, and use the secondary channel as a backup in case of primary channel failure.
The device has a maximum junction temperature of 150°C. Ensure good airflow, use a heat sink if necessary, and avoid blocking the airflow around the device. Monitor the device temperature and adjust the system design accordingly.
ISO7640FMDWR datasheet
by Texas Instruments
