NJR Corporation/NJRC
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NJM2749AD
Voir les détails DataSheets

NJM2749AD

Product Overview

Category

The NJM2749AD belongs to the category of integrated circuits (ICs) and specifically falls under the operational amplifier (op-amp) family.

Use

This product is commonly used in electronic circuits for amplification, filtering, signal conditioning, and other analog applications.

Characteristics

  • Low noise
  • High gain
  • Wide bandwidth
  • Low offset voltage
  • Low power consumption

Package

The NJM2749AD is typically available in a small outline integrated circuit (SOIC) package.

Essence

The essence of this product lies in its ability to provide precise and reliable analog signal processing in various electronic systems.

Packaging/Quantity

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

Specifications

  • Supply Voltage: ±2.5V to ±18V
  • Input Offset Voltage: 1mV max
  • Input Bias Current: 10pA max
  • Gain Bandwidth Product: 8MHz typ
  • Slew Rate: 3.5V/µs typ
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The NJM2749AD has a standard pin configuration with 8 pins, including non-inverting input, inverting input, output, power supply, and ground pins.

Functional Features

  • Rail-to-rail output swing
  • Unity-gain stable
  • Short-circuit protection
  • ESD protection

Advantages and Disadvantages

Advantages

  • Low noise and distortion
  • Wide operating voltage range
  • Robust protection features

Disadvantages

  • Limited output current capability
  • Higher cost compared to some alternatives

Working Principles

The NJM2749AD operates based on the principles of differential input amplification, feedback control, and output stage drive to provide accurate and stable amplification of analog signals.

Detailed Application Field Plans

This op-amp is widely used in audio amplifiers, instrumentation amplifiers, active filters, sensor signal conditioning, and precision measurement equipment.

Detailed and Complete Alternative Models

Some alternative models to the NJM2749AD include the LM324, TL072, and AD822.

In conclusion, the NJM2749AD is a versatile operational amplifier that offers high performance and reliability in various analog circuit applications.

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Énumérez 10 questions et réponses courantes liées à l'application de NJM2749AD dans les solutions techniques

  1. What is NJM2749AD?

    • NJM2749AD is a dual operational amplifier with high gain and low noise, commonly used in audio and signal processing applications.

  2. What are the typical applications of NJM2749AD?

    • NJM2749AD is commonly used in audio preamplifiers, active filters, instrumentation amplifiers, and other signal conditioning circuits.

  3. What is the supply voltage range for NJM2749AD?

    • The supply voltage range for NJM2749AD is typically between ±4V and ±18V.

  4. What is the input offset voltage of NJM2749AD?

    • The input offset voltage of NJM2749AD is typically around 1mV.

  5. What is the input bias current of NJM2749AD?

    • The input bias current of NJM2749AD is typically around 200nA.

  6. What is the bandwidth of NJM2749AD?

    • The bandwidth of NJM2749AD is typically around 10MHz.

  7. Can NJM2749AD be used in single supply applications?

    • Yes, NJM2749AD can be used in single supply applications by biasing the inputs at half the supply voltage.

  8. What is the common-mode rejection ratio (CMRR) of NJM2749AD?

    • The CMRR of NJM2749AD is typically around 70dB.

  9. Is NJM2749AD suitable for low-noise applications?

    • Yes, NJM2749AD is suitable for low-noise applications due to its low input voltage noise.

  10. Are there any recommended application circuits for NJM2749AD?

    • Yes, the datasheet for NJM2749AD provides several recommended application circuits for different use cases.