Maxim Integrated provides a recommended PCB layout in the datasheet, but it's also recommended to follow general guidelines for high-frequency PCB design, such as using a solid ground plane, minimizing trace lengths, and using bypass capacitors to reduce noise and ringing.
The DS1225AB-200IND+ has a maximum junction temperature of 150°C. To ensure reliable operation, it's recommended to provide adequate heat sinking, such as using a thermal pad or heat sink, and to keep the device away from high-temperature sources. Additionally, ensure good airflow and avoid blocking airflow around the device.
Although the datasheet specifies a minimum input voltage of 2.7V, it's recommended to operate the device within the range of 3.0V to 5.5V to ensure optimal performance and reliability.
To ensure accuracy over temperature, it's recommended to calibrate the device at multiple temperatures, and to use a high-accuracy voltage reference. Additionally, consider using a temperature sensor to monitor the device temperature and adjust the output accordingly.
Although the datasheet specifies a maximum clock frequency of 200kHz, it's recommended to operate the device within the range of 10kHz to 100kHz to ensure optimal performance and minimize noise and jitter.