STMicroelectronics TL072AC Low-Noise JFET-Input Operational Amplifiers

The TL072AC from STMicroelectronics is a high-quality, low-noise operational amplifier which utilizes JFET-input stages to provide an excellent input characteristics. This device is part of a family of operational amplifiers that have been designed to offer a perfect balance between performance and cost, making it an ideal choice for a wide range of audio and signal conditioning applications.

With its low input bias and offset currents, as well as a low noise voltage of typically 18 nV/√Hz, the TL072AC is particularly suitable for high-fidelity and audio pre-amplifier applications. Its low harmonic distortion and low noise make it a preferred choice for professional audio equipment, where signal integrity is paramount.

The TL072AC operates over a wide range of power supply voltages, from ±4V to ±18V, providing designers with flexibility in various circuit configurations. Its high slew rate of 13 V/µs ensures that the amplifier can handle fast signal transitions without distortion, which is essential for high-speed signal processing tasks.

Some of the key features of the TL072AC include:

• Internally trimmed offset voltage: This feature reduces the need for external tuning and ensures consistent performance across multiple devices.
• Low input noise voltage: At 18 nV/√Hz, it provides excellent noise performance for sensitive audio and instrumentation applications.
• Low total harmonic distortion: Preserves the integrity of the original signal, making it ideal for high-fidelity audio systems.
• High input impedance: The JFET input stage offers a high input impedance, minimizing the loading effect on the source circuit.
• Wide bandwidth and high slew rate: These characteristics make the TL072AC suitable for fast-operating signal processing applications.

The TL072AC is available in a standard 8-pin DIP package or SO-8 package, offering compatibility with a broad range of PCB layouts and design standards. Its robust design and proven reliability make it a go-to choice for engineers and designers looking for a cost-effective yet high-performing operational amplifier.