NJR Corporation/NJRC
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NJM4580D
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NJM4580D

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Audio Amplifier
  • Characteristics: Dual Operational Amplifier, Low Noise, High Slew Rate
  • Package: DIP-8 (Dual In-line Package with 8 pins)
  • Essence: The NJM4580D is a high-performance dual operational amplifier designed for audio applications.
  • Packaging/Quantity: Available in tubes or reels, with various quantities depending on the supplier.

Specifications

  • Supply Voltage: ±2V to ±18V
  • Input Offset Voltage: 3mV (maximum)
  • Input Bias Current: 200nA (maximum)
  • Slew Rate: 5V/µs (typical)
  • Gain Bandwidth Product: 10MHz (typical)
  • Total Harmonic Distortion: 0.003% (typical)
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The NJM4580D has a DIP-8 package with the following pin configuration:

___________ OUT1 | 1 8 | VCC+ OUT2 | 2 7 | IN- VCC-| 3 6 | IN+ GND| 4 5 | NC ‾‾‾‾‾‾‾‾‾‾‾

Functional Features

  • Dual operational amplifier in a single package
  • Low noise and distortion for high-quality audio reproduction
  • High slew rate allows for accurate amplification of fast signals
  • Wide operating voltage range enables versatile applications
  • Stable performance over a wide temperature range

Advantages and Disadvantages

Advantages: - High-performance audio amplifier - Low noise and distortion - Dual op-amp in a single package - Wide operating voltage range

Disadvantages: - Limited pin configuration options - Not suitable for high-power applications

Working Principles

The NJM4580D is based on a differential amplifier circuit that amplifies the difference between its two input signals. It utilizes internal compensation to ensure stability and minimize distortion. The dual op-amp design allows for independent amplification of two audio channels.

Application Field Plans

The NJM4580D is commonly used in various audio applications, including:

  1. Audio amplifiers
  2. Headphone amplifiers
  3. Active speakers
  4. Audio mixers
  5. Musical instruments

Alternative Models

Here are some alternative models that can be considered as replacements for the NJM4580D:

  1. LM833 - Dual Operational Amplifier
  2. NE5532 - Dual Low-Noise Operational Amplifier
  3. TL072 - Dual JFET Input Operational Amplifier
  4. OPA2134 - Dual Audio Operational Amplifier

These alternatives offer similar performance and functionality to the NJM4580D and can be used as drop-in replacements in most applications.

In conclusion, the NJM4580D is a versatile dual operational amplifier designed for audio applications. Its low noise, high slew rate, and wide operating voltage range make it suitable for various audio amplification needs. While it has some limitations in terms of pin configuration and power handling, it remains a popular choice among audio enthusiasts and professionals alike.

Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem NJM4580D w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of NJM4580D in technical solutions:

  1. Q: What is NJM4580D? A: NJM4580D is a dual operational amplifier (op-amp) integrated circuit commonly used in audio applications.

  2. Q: What are the key features of NJM4580D? A: Some key features of NJM4580D include low noise, high slew rate, wide bandwidth, low distortion, and low input bias current.

  3. Q: What are the typical applications of NJM4580D? A: NJM4580D is commonly used in audio preamplifiers, headphone amplifiers, active filters, equalizers, and other audio-related circuits.

  4. Q: What is the power supply voltage range for NJM4580D? A: The recommended power supply voltage range for NJM4580D is typically between ±5V and ±18V.

  5. Q: Can NJM4580D be used in single-supply applications? A: Yes, NJM4580D can be used in single-supply applications by connecting the non-inverting input to a virtual ground or biasing it at half the supply voltage.

  6. Q: What is the output voltage swing of NJM4580D? A: The output voltage swing of NJM4580D is typically within a few volts of the supply rails.

  7. Q: Does NJM4580D require external compensation? A: No, NJM4580D is internally compensated and does not require any external components for stability.

  8. Q: What is the input impedance of NJM4580D? A: The input impedance of NJM4580D is typically very high, in the order of hundreds of megaohms.

  9. Q: Can NJM4580D drive low-impedance loads? A: Yes, NJM4580D can drive low-impedance loads down to a few ohms without significant distortion.

  10. Q: Are there any recommended PCB layout considerations for NJM4580D? A: It is recommended to keep the input and output traces short, use proper decoupling capacitors, and minimize noise coupling from power supply lines for optimal performance.

Please note that these answers are general and may vary depending on specific circuit requirements and design considerations.