NJM4558 (JRC4558) – (SMD/SMT) Dual Operational Amplifier

  1. IC Name: NJM4558
  2. Package/Case: SMD-8

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The NJM4558 (or JRC4558) is a dual operational amplifier (op-amp) integrated circuit (IC) manufactured by New Japan Radio Co., Ltd. (NJRC). Here’s an overview of its features and specifications:

  • Type: Dual Operational Amplifier IC
  • Dual Op-Amp: The NJM4558 contains two independent op-amps in a single package, allowing for flexible circuit designs and space-saving in applications requiring multiple op-amps.
  • Voltage Supply Range: Typically operates from a dual supply voltage or a single supply voltage, with recommended voltages typically ranging from ±5V to ±18V or single supply voltage ranging from 10V to 36V.
  • Low Input Bias Current: The NJM4558 has low input bias current characteristics, making it suitable for applications where input currents must be minimized.
  • Wide Bandwidth: Offers a wide bandwidth, allowing for accurate amplification of signals across a broad frequency range.
  • Low Total Harmonic Distortion (THD): Provides low distortion characteristics, ensuring high-quality audio reproduction and accurate signal processing.
  • High Slew Rate: Capable of achieving high slew rates, allowing for fast signal processing and amplification of fast-changing signals.
  • Package: It’s commonly available in DIP (Dual In-line Package) or SOIC (Small Outline Integrated Circuit) packages, making it suitable for various circuit board layouts.
  • Temperature Range: It typically operates across a wide temperature range, often from -40°C to 85°C or beyond, ensuring reliable performance in various environmental conditions.

The NJM4558 is a versatile and widely used dual op-amp IC suitable for various audio and general-purpose applications. It’s commonly used in audio preamplifiers, active filters, mixers, amplifiers, and other circuits where dual operational amplifiers are required. Its low noise, low distortion, and high performance make it a popular choice among hobbyists, audio enthusiasts, and professionals alike.



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