The AD797ANZ is a precision operational amplifier designed by Analog Devices, renowned for its exceptional performance in high-precision signal processing applications. This operational amplifier (op-amp) is part of Analog Devices' precision amplifier series, well-known for its low noise, high accuracy, and versatile usage across various industries.
Features:
- Ultra-Low Noise: The AD797ANZ is distinguished by its extremely low input voltage noise and current noise, making it well-suited for applications requiring the utmost sensitivity and accuracy.
- High Gain: With a high open-loop gain, the op-amp delivers precise amplification for weak signals without introducing distortion or noise.
- Wide Bandwidth: The wide bandwidth of the AD797ANZ ensures faithful signal reproduction even at high frequencies.
- Low Distortion: This op-amp maintains low levels of harmonic distortion, preserving the integrity of the input signal.
- Low Input Bias Current: The minimal input bias current minimizes the impact of loading on the input signal source.
Specifications:
- Supply Voltage: ±2.5V to ±18V
- Input Voltage Noise: Less than 1.1nV/√Hz
- Input Bias Current: Less than 2nA
- Bandwidth: Greater than 60MHz
- Slew Rate: 20V/μs
- Low Total Harmonic Distortion (THD): Less than 0.00003% at 1kHz
- Temperature Range: -40°C to +85°C
Applications:
The AD797ANZ op-amp finds widespread use in various high-performance applications:
- Audio Signal Processing: The low noise and distortion characteristics make it suitable for high-fidelity audio preamplifiers and headphone amplifiers.
- Precision Instrumentation: Used in measurement equipment, such as data acquisition systems and oscilloscopes, where accuracy and sensitivity are crucial.
- Medical Equipment: Applied in medical imaging devices, ECG amplifiers, and other diagnostic tools.
- Sensor Interfaces: Utilized to amplify signals from sensitive sensors like thermocouples, photodiodes, and strain gauges.
- Communication Systems: Employed in high-precision communication systems to maintain signal quality and integrity.
