AD797ARZ Ultra Low Distortion, Ultra Low Noise Op Amp

The AD797ARZ is a high-performance operational amplifier from Analog Devices Inc., designed for professional audio and instrumentation applications. This particular model stands out due to its exceptional sound quality and precision, making it an excellent choice for critical audio systems, medical equipment, and high-end test instruments.

Key Features

• Ultra-Low Distortion: The AD797ARZ boasts a total harmonic distortion plus noise (THD+N) figure of -120 dB, which is remarkably low. This ensures that the audio signal is amplified with minimal alteration, preserving the original sound quality.
• Ultra-Low Noise: With a 1 nV/√Hz input noise density at 1 kHz, this op amp is one of the quietest in the industry. This low noise floor is critical for applications requiring a high signal-to-noise ratio.
• Wide Bandwidth: The device offers a wide bandwidth of 110 MHz at a gain of +1, which allows it to handle a broad range of frequencies without distortion.
• High Output Drive Capability: The AD797ARZ can deliver up to ±10 V output swing into 600 Ω loads, making it capable of driving most audio equipment with ease.
• Excellent DC Precision: It has a low offset voltage of 800 µV max and a low offset voltage drift of 2 µV/°C, ensuring stable and consistent performance across varying temperatures.

Applications

• Professional audio equipment
• Microphone preamps
• High-end stereo systems
• Instrumentation
• Medical diagnostic equipment
• Spectral analysis
• High-resolution data acquisition systems

The AD797ARZ comes in a robust 8-lead SOIC package, providing a compact solution for space-constrained applications. Its superior performance in terms of speed, accuracy, and noise levels makes it a top choice for designers seeking the best in audio fidelity and precision measurement. Whether it's for a studio-grade microphone preamplifier or a sensitive medical imaging system, the AD797ARZ from Analog Devices Inc. delivers unmatched performance where it counts.