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OPA2189IDGKT Information
OPA2189IDGKT by Texas Instruments is an Operational Amplifier.
Operational Amplifiers are under the broader part category of Amplifier Circuits.
Amplifier circuits use external power to increase the amplitude of an input signal. They can be used to perform linear amplifications or logarithmic functions. Read more about Amplifier Circuits on our Amplifier Circuits part category page.
US Tariff Estimator: OPA2189IDGKT by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
This table gives cross-reference parts and alternative options found for OPA2189IDGKT. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of OPA2189IDGKT, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
The maximum power dissipation of the OPA2189IDGKT 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).
While the OPA2189IDGKT can be used as a comparator, it's not recommended due to its relatively slow slew rate (2.5V/us) and limited output current (±30mA). A dedicated comparator IC would be a better choice for most applications.
To protect the OPA2189IDGKT from overvoltage and ESD, it's recommended to add voltage clamps (e.g., TVS diodes) and ESD protection devices (e.g., ESD arrays) to the input and output pins.
