The maximum power dissipation of the OPA209AIDR is 670mW, which is calculated based on the maximum junction temperature (TJ) of 150°C and the thermal resistance (θJA) of 125°C/W.
To ensure stability in a unity-gain configuration, it's recommended to add a capacitor (typically 10-22pF) between the output and the inverting input pins to compensate for the op-amp's internal capacitance.
To minimize noise and EMI, it's recommended to keep the input and output traces short and away from each other, use a solid ground plane, and avoid running sensitive traces near the op-amp's power pins.
The OPA209AIDR is rated for operation up to 125°C, but its performance may degrade at higher temperatures. If you need to operate in a high-temperature environment, consider using a more temperature-stable op-amp or taking additional thermal management measures.
Choose resistors with a tolerance of 1% or better, and consider using metal film or thin film resistors for their low noise and temperature coefficient. Avoid using carbon film resistors, as they can introduce noise and drift.
OPA209AIDR datasheet
by Texas Instruments
