The maximum power dissipation of the OPA211IDGKT 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 ground plane, and decouple the power supply pins with capacitors (e.g., 0.1uF and 10uF).
The OPA211IDGKT 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-resistant op-amp or taking additional thermal management measures.
Choose resistors with a tolerance of 1% or better, and consider the resistor's temperature coefficient (TCR) to ensure stability over temperature. For high-gain applications, use resistors with a low TCR (e.g., 25ppm/°C).
OPA211IDGKT datasheet
by Texas Instruments
