The OPA2228U is a precision operational amplifier (op-amp) from Texas Instruments, renowned for its high accuracy and low-noise performance. Designed with the needs of professional-grade audio equipment, test and measurement instruments, and high-precision applications in mind, the OPA2228U stands out in the market for its exceptional quality and reliability.

Key Features

• Ultra-Low Noise: With a voltage noise density of just 3.6 nV/√Hz at 1 kHz, the OPA2228U ensures that signal integrity is maintained, making it ideal for audio preamplifiers and sensitive measurement equipment.
• High Precision: The device boasts a very low offset voltage of 75 µV (max) and low drift over time and temperature, ensuring stable performance across a wide range of operating conditions.
• Wide Bandwidth: A bandwidth of 33 MHz at a gain of +1 provides ample headroom for a variety of applications, from high-fidelity audio processing to fast signal conditioning tasks.
• Dual Supply Operation: The OPA2228U operates from ±2.5V to ±18V dual supplies, or from a 5V to 36V single supply, offering flexibility in different circuit configurations.
• Robust Design: The device features a phase-reversal protection which prevents unwanted phase reversal when the input voltage exceeds the power supply rails.

Applications

• Professional Audio Equipment
• Precision Instrumentation
• Active Filters
• Data Acquisition Systems
• Analog-to-Digital Converter (ADC) Drivers

Package and Availability

The OPA2228U is offered in an 8-pin SOIC (Small Outline Integrated Circuit) package, ensuring easy integration into a wide range of electronic assemblies. Texas Instruments provides comprehensive support for their products, including detailed datasheets, application notes, and design resources, making the implementation of the OPA2228U straightforward for engineers and designers.

With its combination of precision, low noise, and versatility, the OPA2228U operational amplifier is a top choice for professionals seeking to enhance the performance and reliability of their high-end electronic systems.