OPA277U/2K5

The OPA277U/2K5 is a precision operational amplifier manufactured by Texas Instruments, known for its high performance and versatility in various applications. This op-amp is designed to provide low noise, low offset voltage, and high precision, making it suitable for use in instrumentation, data acquisition systems, and other high-fidelity applications.

Key Features:

1. Precision Performance: The OPA277U boasts a low offset voltage of typically 50 µV, which is crucial for applications requiring high accuracy. Its low drift characteristics ensure stable performance over temperature variations.

2. Low Noise: With a low input voltage noise density of around 8 nV/√Hz, the OPA277U is ideal for sensitive applications where noise can significantly affect performance.

3. Wide Supply Voltage Range: The op-amp can operate with a dual supply voltage ranging from ±2.5 V to ±18 V, providing flexibility for various circuit designs.

4. High Gain Bandwidth Product: The OPA277U features a gain bandwidth product of 1 MHz, allowing it to maintain performance in a variety of feedback configurations.

5. Rail-to-Rail Output: The output stage of the OPA277U is designed to swing close to the supply rails, maximizing the output voltage range and making it suitable for single-supply applications.

6. Low Power Consumption: The device operates with a low quiescent current, making it energy-efficient and suitable for battery-powered applications.

7. Temperature Range: The OPA277U is specified for operation over a wide temperature range, typically from -40°C to +125°C, ensuring reliability in harsh environments.

Package Information:

The OPA277U/2K5 is available in a standard 8-pin SOIC (Small Outline Integrated Circuit) package, which is compact and suitable for surface-mount technology (SMT). The "2K5" designation indicates that the part is supplied in a reel of 2500 units, making it convenient for high-volume production.

Applications:

Due to its precision and low noise characteristics, the OPA277U is commonly used in:

• Medical instrumentation
• Data acquisition systems
• High-precision analog signal processing
• Active filters
• Transducer interfacing
• Audio applications

Conclusion:

The OPA277U/2K5 from Texas Instruments is a highly reliable and precise operational amplifier that meets the demands of modern electronic applications. Its combination of low noise, low offset voltage, and wide supply range makes it an excellent choice for engineers looking to design high-performance analog circuits.