The maximum power dissipation of the OPA171AIDBVT 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, it's recommended to use a compensation capacitor (CC) between the output and the inverting input pins. The value of CC depends on the gain and bandwidth requirements of the application. A good starting point is a 10pF to 22pF capacitor.
To minimize noise and EMI, it's recommended to use a star-ground configuration, keep the input and output traces short and away from each other, and use a ground plane to shield the op-amp. Additionally, decouple the power supply pins with 0.1uF to 1uF capacitors.
Yes, the OPA171AIDBVT can be used in a single-supply configuration. However, the input common-mode voltage range is limited to VCC-1.5V to VCC+0.5V. To ensure proper operation, the input signal should be biased within this range.
The choice of resistors for the feedback network depends on the desired gain and bandwidth. A good starting point is to use 1kΩ to 10kΩ resistors for the feedback resistors (RF and RG). The ratio of RF to RG determines the gain of the amplifier.
OPA171AIDBVT datasheet
by Texas Instruments
