NJR Corporation/NJRC
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NJM2748AD
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NJM2748AD

Product Overview

Category

The NJM2748AD belongs to the category of integrated circuits (ICs) and specifically falls under the operational amplifier (op-amp) family.

Use

This op-amp is commonly used in audio applications, instrumentation, and control systems due to its high precision and low noise characteristics.

Characteristics

  • High precision
  • Low noise
  • Wide operating voltage range
  • Low power consumption

Package

The NJM2748AD is available in a small outline integrated circuit (SOIC) package, which provides ease of handling and assembly.

Essence

The essence of NJM2748AD lies in its ability to provide accurate and reliable signal amplification in various electronic circuits.

Packaging/Quantity

It is typically supplied in reels containing a specific quantity, such as 2500 units per reel.

Specifications

  • Supply Voltage: ±2.5V to ±18V
  • Input Offset Voltage: 1.5mV max
  • Input Bias Current: 10nA max
  • Gain Bandwidth Product: 4MHz typ
  • Slew Rate: 3V/µs typ
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The NJM2748AD features a standard 8-pin dual in-line package (DIP) configuration: 1. Non-inverting input (+IN) 2. Inverting input (-IN) 3. Negative power supply (-V) 4. Ground (GND) 5. Offset null 6. Output 7. Positive power supply (+V) 8. Not connected (NC)

Functional Features

  • High gain with low input offset voltage
  • Wide bandwidth for accurate signal processing
  • Low noise for precise signal amplification
  • Stable operation over a wide temperature range

Advantages and Disadvantages

Advantages

  • High precision and accuracy
  • Low noise performance
  • Versatile application in various electronic systems

Disadvantages

  • Limited output current capability
  • Higher cost compared to general-purpose op-amps

Working Principles

The NJM2748AD operates based on the principles of differential amplification, providing high gain and accurate signal processing. It utilizes internal compensation to ensure stability and performance across different operating conditions.

Detailed Application Field Plans

Audio Systems

The NJM2748AD can be utilized in audio amplifiers, equalizers, and mixers to achieve high-fidelity sound reproduction.

Instrumentation

In instrumentation systems, this op-amp can be employed for precise signal conditioning and measurement applications.

Control Systems

For control systems requiring accurate signal processing and feedback control, the NJM2748AD offers reliable performance.

Detailed and Complete Alternative Models

  • LM324
  • TL072
  • AD822

In conclusion, the NJM2748AD is a high-precision operational amplifier suitable for a wide range of applications, offering exceptional performance and reliability in electronic systems.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням NJM2748AD у технічних рішеннях

  1. What is NJM2748AD?

    • NJM2748AD is a dual operational amplifier with high gain and low noise, commonly used in audio and signal processing applications.

  2. What are the key features of NJM2748AD?

    • The key features of NJM2748AD include low noise, high gain bandwidth product, low input offset voltage, and wide supply voltage range.

  3. What are the typical applications of NJM2748AD?

    • Typical applications of NJM2748AD include audio preamplifiers, active filters, instrumentation amplifiers, and signal conditioning circuits.

  4. What is the recommended operating voltage for NJM2748AD?

    • The recommended operating voltage for NJM2748AD is typically between ±5V to ±18V.

  5. What is the input offset voltage of NJM2748AD?

    • The input offset voltage of NJM2748AD is typically around 3mV.

  6. What is the input bias current of NJM2748AD?

    • The input bias current of NJM2748AD is typically around 200nA.

  7. Can NJM2748AD be used in single supply applications?

    • Yes, NJM2748AD can be used in single supply applications by biasing the inputs at half the supply voltage.

  8. What is the maximum output current of NJM2748AD?

    • The maximum output current of NJM2748AD is typically around 40mA.

  9. Is NJM2748AD suitable for low-power applications?

    • Yes, NJM2748AD is suitable for low-power applications due to its low quiescent current.

  10. Are there any specific layout considerations for using NJM2748AD?

    • It is recommended to keep the input and feedback traces short, use bypass capacitors close to the power supply pins, and minimize stray capacitance for optimal performance when using NJM2748AD in circuit designs.