NE5532

The NE5532 is a dual operational amplifier (op-amp) integrated circuit (IC). It is a high-performance, low-noise amplifier commonly used in a variety of audio and signal processing applications. It is particularly popular in preamplifiers, active filters, and line drivers.

The NE5532 is characterized by its low input noise voltage, typically around 5 nV/√Hz, making it suitable for amplifying weak signals without introducing significant noise. Other important specifications include a high open-loop gain, a high slew rate, and a wide bandwidth. These characteristics contribute to its good performance and stability in various circuit configurations.

The IC typically operates from a dual power supply, commonly ±15V, although it can function with lower voltages. It is available in various package types, including DIP (Dual In-line Package) and SOIC (Small Outline Integrated Circuit).

The NE5532 is a bipolar op-amp, meaning it utilizes bipolar junction transistors (BJTs) in its internal circuitry. This contrasts with op-amps that use FETs (Field-Effect Transistors) in their input stages, like the TL072. While FET input op-amps generally have lower input bias currents, bipolar op-amps like the NE5532 often offer better noise performance.

The NE5532 has become a well-established and widely available component, often used as a general-purpose op-amp. Its popularity is due to its combination of good performance, relatively low cost, and ease of use. It is often considered a "workhorse" op-amp in audio and electronics design.