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NJM2264D

NJM2264D

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Audio Amplifier
  • Characteristics: Low Noise, High Output Power, Wide Frequency Response
  • Package: Dual In-Line Package (DIP)
  • Essence: This IC is designed to amplify audio signals with low noise and high fidelity.
  • Packaging/Quantity: Available in tubes of 25 pieces or reels of 2,500 pieces.

Specifications

  • Supply Voltage: 5V - 15V
  • Output Power: 1.2W (typical)
  • Total Harmonic Distortion: 0.1% (typical)
  • Frequency Response: 20Hz - 20kHz
  • Input Impedance: 100kΩ
  • Output Impedance: 8Ω

Pin Configuration

The NJM2264D has a total of 8 pins arranged as follows:

```


| | --|1 8|-- Vcc --|2 7|-- GND --|3 6|-- Input --|4 5|-- Output |_________| ```

Functional Features

  • Low noise amplification for high-quality audio reproduction.
  • High output power capability suitable for driving speakers.
  • Wide frequency response ensures faithful sound reproduction across the audible spectrum.
  • Simple external circuitry required for operation.
  • Built-in thermal shutdown protection.

Advantages and Disadvantages

Advantages: - Low noise performance enhances audio quality. - High output power allows for driving various speaker types. - Wide frequency response ensures accurate sound reproduction. - Thermal shutdown protection prevents damage due to overheating.

Disadvantages: - Limited output power compared to dedicated power amplifiers. - Requires external components for proper operation. - Not suitable for high-power audio applications.

Working Principles

The NJM2264D is a class AB audio amplifier that operates by amplifying the input audio signal using a combination of transistors and integrated circuitry. It employs a push-pull configuration to minimize distortion and improve efficiency. The amplified signal is then delivered to the output pin, ready to drive a speaker or other audio devices.

Application Field Plans

The NJM2264D is commonly used in various audio applications, including:

  1. Portable audio devices such as MP3 players and smartphones.
  2. Home audio systems and mini Hi-Fi systems.
  3. Car audio systems and amplifiers.
  4. Personal computer sound cards and multimedia speakers.
  5. Public address (PA) systems and intercoms.

Alternative Models

Here are some alternative models that offer similar functionality:

  1. LM386 - Low Voltage Audio Power Amplifier
  2. TDA2030A - 14W Hi-Fi Audio Amplifier
  3. STA540 - 4x13W Quad Bridge Car Radio Amplifier
  4. TPA3116D2 - 50W Stereo Class D Audio Amplifier

These alternatives provide different power outputs, features, and package options, allowing users to choose the most suitable option for their specific application.

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Énumérez 10 questions et réponses courantes liées à l'application de NJM2264D dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of NJM2264D in technical solutions:

  1. Q: What is NJM2264D? A: NJM2264D is a specific model of operational amplifier (op-amp) integrated circuit commonly used in electronic circuits.

  2. Q: What are the key features of NJM2264D? A: Some key features of NJM2264D include low noise, low distortion, high slew rate, wide bandwidth, and low power consumption.

  3. Q: In what applications can NJM2264D be used? A: NJM2264D can be used in various applications such as audio amplifiers, active filters, instrumentation amplifiers, and signal conditioning circuits.

  4. Q: What is the voltage supply range for NJM2264D? A: The voltage supply range for NJM2264D typically ranges from ±2V to ±18V.

  5. Q: What is the input impedance of NJM2264D? A: The input impedance of NJM2264D is typically very high, which makes it suitable for interfacing with different types of sensors and signals.

  6. Q: Can NJM2264D operate in single-supply mode? A: Yes, NJM2264D can operate in single-supply mode by connecting the negative supply pin (V-) to ground or a reference voltage.

  7. Q: What is the output voltage swing of NJM2264D? A: The output voltage swing of NJM2264D typically depends on the supply voltage but can reach close to the supply rails.

  8. Q: Does NJM2264D have built-in protection features? A: Yes, NJM2264D usually includes built-in protection features such as short-circuit protection and thermal shutdown.

  9. Q: What is the typical gain bandwidth product of NJM2264D? A: The typical gain bandwidth product of NJM2264D is around 10 MHz, which indicates its ability to amplify signals at higher frequencies.

  10. Q: Is NJM2264D available in different package types? A: Yes, NJM2264D is available in various package types such as DIP (Dual Inline Package) and SOIC (Small Outline Integrated Circuit).

Please note that the specific details may vary depending on the manufacturer's datasheet and application requirements.