OPA2277UA/2K5

The OPA2277UA/2K5 is a precision operational amplifier from a reputable manufacturer, belonging to the OPAx277 series. This series of amplifiers is designed to replace the industry-standard OP-177, offering significant improvements in noise performance, wider output voltage swing, doubled speed, and halved quiescent current.

Key Features

• Ultra-Low Offset Voltage and Drift: The OPA2277UA/2K5 boasts an ultra-low offset voltage and drift, making it suitable for applications requiring high precision and stability.
• High Open-Loop Gain: With a high open-loop gain of 134 dB, the amplifier can amplify signals with minimal distortion.
• High Common-Mode Rejection: The high common-mode rejection of 140 dB ensures that common-mode signals are effectively suppressed, improving the signal-to-noise ratio of the output.
• High Power Supply Rejection: The high power supply rejection of 130 dB minimizes the impact of power supply variations on the output, enhancing the stability of the amplifier.
• Low Bias Current: The low bias current of 1 nA maximum reduces power consumption and extends the battery life in portable applications.
• Wide Supply Range: The OPA2277UA/2K5 operates from a wide supply range of ±2 V to ±18 V, providing flexibility in designing circuits with different power requirements.
• Low Quiescent Current: Each amplifier has a low quiescent current of 800 μA, contributing to overall efficiency.

Package and Versions

The OPA2277UA/2K5 is available in dual-channel versions, providing identical specifications for maximum design flexibility. It comes in various package options, such as DIP-8, SO-8, and DFN-8 (4mm x 4mm), allowing for easy integration into different circuit boards and systems.

Applications

Due to its excellent performance and features, the OPA2277UA/2K5 is suitable for a wide range of applications, including:

• Analog Input Modules: For precise signal conditioning and amplification in data acquisition systems.
• Weighing Scales: For accurate measurement and amplification of weight signals.
• Temperature Transducers: For amplifying and conditioning signals from temperature sensors.
• Pressure Transducers: For similar signal conditioning tasks in pressure measurement systems.
• Data Acquisition (DAQ) Systems: For precise signal acquisition and conditioning in various industrial and research applications.
• Laboratory and Field Instrumentation: For use in precision measurement and control systems.
• Battery-Powered Instruments: For low-power, high-precision applications where battery life is a concern.

In summary, the OPA2277UA/2K5 is a versatile, high-performance precision operational amplifier suitable for a wide range of applications requiring low noise, high speed, and low power consumption. Its ultra-low offset voltage and drift, high common-mode rejection, and high power supply rejection make it an excellent choice for precision amplification tasks.