The NE4558 is a high-performance operational amplifier from NXP Semiconductors that offers a perfect blend of features suitable for a wide array of applications. This dual operational amplifier is designed to deliver excellent sound quality and is commonly used in audio pre-amplification, signal conditioning, and filter circuits.

Key Features

• Dual Operational Amplifier: The NE4558 integrates two independent op-amp units in a single package, providing compact and efficient solutions for designs requiring multiple amplifiers.
• High Voltage Gain: With a high voltage gain, the NE4558 ensures that signals are amplified without significant loss, making it ideal for audio applications where clarity is paramount.
• Wide Power Supply Range: The device can operate from a wide range of power supplies, both single and dual, enhancing its versatility in different circuit configurations.
• Low Noise Performance: The NE4558 is engineered to have low noise characteristics, which is crucial for high-fidelity audio applications and precision instrumentation.
• Output Short-Circuit Protection: Built-in short-circuit protection safeguards the device against damage from output short circuits, enhancing its reliability and longevity.
• Internal Frequency Compensation: The device comes with internal frequency compensation which ensures stability and ease of use without external components.

Applications

The versatility of the NE4558 makes it suitable for a variety of applications, including:

• Audio pre-amplifiers and mixers
• Active filters and equalizers
• Voltage followers and buffers
• DC amplification blocks
• Signal processing circuits

Technical Specifications

The NE4558 boasts a number of technical specifications that make it a robust choice for demanding applications:

• Supply Voltage Range: ±3V to ±18V
• Large Output Voltage Swing
• Input Offset Voltage: Typically 1 mV
• Input Bias Current: Typically 30 nA
• Slew Rate: Typically 1 V/μs
• Common Mode Rejection Ratio (CMRR): Typically 100 dB

With its combination of features and performance, the NE4558 from NXP Semiconductors is a go-to choice for designers seeking a reliable and high-quality operational amplifier for their next project.