The LT1128 by Linear Technology is a high-performance, dual operational amplifier that has set a new standard in the industry for precision and stability. This device is notable for its exceptionally low noise and low total harmonic distortion, making it an ideal choice for audio and instrumentation applications.

Key Features

• Ultra-Low Noise Performance: The LT1128 boasts an outstanding noise voltage of 0.85nV/√Hz at 1kHz, which is one of the lowest in its class, ensuring a clean and accurate signal amplification.
• High Gain Bandwidth Product: With a gain bandwidth product of 75MHz, the LT1128 is capable of maintaining high levels of performance across a wide range of frequencies.
• Low Total Harmonic Distortion: The total harmonic distortion (THD) is typically 0.0003%, which is remarkably low, making it suitable for high-fidelity audio applications.
• High Output Drive Capability: It can drive ±10V into 600Ω loads, which allows for a wide range of output applications.
• Stable with Capacitive Loads: The operational amplifier is designed to be stable with capacitive loads up to 1000pF, which is beneficial for various feedback and buffering applications.

Applications

• High-Quality Audio Equipment
• Precision Instrumentation
• Active Filters
• Fast Amplifiers
• Buffer Amplifiers

Technical Specifications

The LT1128 operates within a supply voltage range of ±2.5V to ±18V, and it features a dual power supply configuration for greater flexibility in system design. The input offset voltage is typically 25µV, and the device also provides a high common-mode rejection ratio (CMRR) of 130dB.

Conclusion

The LT1128 from Linear Technology is a testament to the company's commitment to providing high-quality components for precision electronic applications. Its low noise, high gain, and low distortion characteristics make it an excellent choice for professionals who demand the best in operational amplifier performance.