Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general high-frequency PCB design guidelines, such as using a solid ground plane, minimizing trace lengths, and using bypass capacitors to reduce noise and oscillations.
To ensure stability, follow the recommended compensation network values and layout, and ensure that the output stage is properly bypassed. Additionally, consider using a stability analysis tool, such as TI's SPICE models, to simulate and optimize your design.
The maximum power dissipation of the LME49870MAX/NOPB is dependent on the operating conditions, such as supply voltage, output current, and ambient temperature. Use the thermal resistance values provided in the datasheet to calculate the maximum power dissipation, and ensure that the device is properly heat-sinked to prevent overheating.
The LME49870MAX/NOPB is rated for operation up to 150°C, but the device's performance and reliability may be affected at high temperatures. Ensure that the device is properly heat-sinked and that the operating conditions are within the recommended specifications.
The output filter components should be selected based on the desired output impedance, frequency response, and noise requirements. Use the datasheet's recommended output filter values as a starting point, and consider using TI's FilterPro software to simulate and optimize your output filter design.
LME49870MAX/NOPB datasheet
by Texas Instruments
