NE5532P: Dual Low-Noise Op-Amp, 10MHz Unity-Gain, 100dB CMRR
Texas Instruments

The NE5532P is a high-performance operational amplifier (op-amp) designed by Texas Instruments, notable for its low noise characteristics and robust output drive capability. This dual-channel op-amp integrates features like high unity-gain and maximum-output-swing bandwidths, low distortion, and a high slew rate, making it suitable for demanding audio applications. It also includes input-protection diodes and output short-circuit protection, enhancing its reliability in various configurations. The device is internally compensated for unity-gain operation, ensuring stable performance across a wide range of applications.

The NE5532P operates effectively within a supply voltage range of ±5V to ±15V, and it is capable of delivering a peak-to-peak output voltage swing of 26V typ when powered at ±15V with a 600Ω load. Its equivalent input noise voltage is typically 5nV/√Hz at 1kHz, making it an excellent choice for applications where low noise is crucial. With a common-mode rejection ratio (CMRR) of 100dB typ and a high DC voltage gain of 100V/mV typ, this op-amp provides precise signal amplification and filtering in complex audio signal chains.

Key Specifications and Features

  • Supply Voltage: ±5V to ±15V
  • Unity-Gain Bandwidth: 10MHz typ
  • Common-Mode Rejection Ratio (CMRR): 100dB typ
  • DC Voltage Gain: 100V/mV typ
  • Peak-to-Peak Output Voltage Swing: 26V typ with VCC± = ±15V and RL = 600Ω
  • Slew Rate: 9V/μs typ
  • Equivalent Input Noise Voltage: 5nV/√Hz typ at 1kHz

NE5532P Datasheet

NE5532P datasheet (PDF)


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Operational Amplifiers

General information

Operational amplifiers (op-amps) are fundamental components in electronic circuits, serving a wide range of functions from amplification to filtering. They are versatile, being used in both analog and digital circuits to improve signal integrity, perform mathematical operations, and condition signals for further processing. Choosing the right op-amp involves considering parameters such as bandwidth, input and output impedance, noise levels, and power consumption.

The NE5532P is distinguished by its low noise performance and high fidelity, making it particularly suited for audio applications where signal integrity is paramount. Engineers should consider the supply voltage range, output drive capability, and protection features when selecting an op-amp for their designs. The NE5532P's high CMRR and slew rate make it effective in environments with high common-mode signals and rapid signal transitions, respectively.

When integrating an op-amp like the NE5532P into a design, attention must be paid to power supply stability, layout to minimize noise and interference, and thermal management to ensure reliable operation. The device's internal compensation for unity-gain operation simplifies the design process, allowing for straightforward implementation in a variety of applications.

In summary, the NE5532P exemplifies the characteristics of a high-performance op-amp, combining low noise, high output drive, and robust protection features. Its technical specifications and versatility make it a valuable component in achieving high-quality audio signal processing and amplification.

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