Product Overview: LT1028CN8#PBF

The LT1028CN8#PBF is a high-performance, ultra-low noise precision operational amplifier from Linear Technology, now part of Analog Devices. This operational amplifier (op-amp) is renowned for its outstanding sound quality and is commonly used in high-fidelity audio preamplifiers and mixers. Its exceptional performance characteristics make it suitable for a wide range of applications, including medical instrumentation, professional audio equipment, and high-quality test and measurement systems.

Key Features:

• Ultra-Low Noise Performance: The LT1028 boasts an incredibly low noise voltage of 0.85nV/√Hz at 1kHz, making it one of the lowest noise op-amps available in the market. This feature is critical for applications requiring a high signal-to-noise ratio.
• High Gain Bandwidth Product: With a gain bandwidth product of 75MHz, the LT1028 ensures that the amplifier can handle a wide range of frequencies without compromising gain.
• High Slew Rate: The device provides a high slew rate of 20V/μs, which allows it to respond quickly to changes in the input signal, reducing distortion and improving overall performance.
• Low Total Harmonic Distortion: The LT1028CN8#PBF exhibits a very low total harmonic distortion (THD) which is typically 0.0001% for audio frequencies, ensuring a clear and accurate reproduction of the original signal.
• Stable with High Capacitive Loads: The op-amp is designed to be stable with capacitive loads up to 1000pF, which is beneficial when driving difficult loads or long cables.

Package and Supply:

The LT1028CN8#PBF comes in an 8-lead PDIP package, which is easy to handle and integrate into various circuit designs. It operates over a wide supply range of ±4V to ±18V, providing flexibility in both single and dual supply operations.

Applications:

• High-Fidelity Audio Preamplifiers
• Microphone Amplifiers
• Phono Preamps
• Active Filters
• Fast Amplifiers
• Buffer Amplifiers
• Medical Instrumentation
• Professional Audio Equipment
• Test and Measurement Systems

The LT1028CN8#PBF's superior performance and quality make it an ideal choice for designers looking for an op-amp with unmatched noise performance and excellent audio fidelity.