The OP275 is a high-performance op-amp designed by Analog Devices Inc., tailored specifically for audio applications. It is the first amplifier that features both the noise and distortion of a bipolar input stage and the precision current sources of a JFET input stage. This combination ensures superior sound quality and makes the OP275 an ideal choice for professional audio electronics, high-quality music reproduction systems, and other audio-sensitive applications.

Key Features

• Low Noise: The OP275 boasts an exceptionally low noise floor, which is critical for high-fidelity audio applications where the clarity of sound is paramount.
• Low Harmonic Distortion: With its low Total Harmonic Distortion (THD), the OP275 preserves the integrity of audio signals, ensuring minimal coloration and high fidelity.
• High Output Drive Capability: Capable of driving 600Ω loads, the OP275 can be used in a wide range of applications, including driving headphones or other high-impedance devices.
• Dual-Supply Operation: The OP275 operates with dual supplies ranging from ±5V to ±15V, providing flexibility in various circuit designs.
• Wide Bandwidth: It offers a wide bandwidth of 9MHz at a gain of +1, which allows for excellent audio signal amplification without compromising the speed of response.

Applications

The OP275 is versatile and can be used in several audio applications, such as:

• Professional Audio Equipment
• Studio Mixers
• High-Quality Audio Preamps
• Active Filters and Crossovers
• Headphone Amplifiers

Technical Specifications

In conclusion, the OP275 from Analog Devices Inc. is a superior choice for anyone seeking to enhance their audio system with a high-quality operational amplifier that provides low noise, low distortion, and high precision.