NJM082M

Product Overview

Category: Integrated Circuit (IC)
Use: Amplifier
Characteristics: Low noise, low distortion, high gain, wide bandwidth
Package: Dual in-line package (DIP)
Essence: Operational amplifier
Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

Supply Voltage: ±15V
Input Offset Voltage: 2mV max
Input Bias Current: 50nA max
Input Resistance: 5MΩ min
Gain Bandwidth Product: 3MHz typ
Slew Rate: 1.5V/µs typ
Output Voltage Swing: ±12V typ
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The NJM082M has a total of 8 pins arranged as follows:

```

| | --| V+ V- |-- --| IN+ IN- |-- --| OUT |-- --| NC |-- --| NC |-- --| VCC+ VCC- |-- |___________| ```

V+: Positive power supply pin
V-: Negative power supply pin
IN+: Non-inverting input pin
IN-: Inverting input pin
OUT: Output pin
NC: No connection
VCC+: Positive power supply pin for internal circuitry
VCC-: Negative power supply pin for internal circuitry

Functional Features

Low noise and low distortion amplification
High gain for precise signal amplification
Wide bandwidth for accurate signal reproduction
Stable operation over a wide temperature range
Suitable for audio applications, instrumentation, and signal conditioning

Advantages and Disadvantages

Advantages

Low noise and distortion ensure high-quality audio amplification
High gain allows for precise signal amplification
Wide bandwidth enables accurate reproduction of signals across a wide frequency range
Stable operation over a wide temperature range ensures reliability in various environments

Disadvantages

Limited output voltage swing compared to some other operational amplifiers
Requires dual power supply configuration

Working Principles

The NJM082M is an operational amplifier that amplifies the difference between its two input voltages. It operates by using a differential amplifier configuration with a high-gain amplifier stage. The input signals are applied to the non-inverting (IN+) and inverting (IN-) inputs, and the amplified output is obtained from the OUT pin. The amplifier requires a dual power supply configuration to operate within its specified voltage range.

Detailed Application Field Plans

The NJM082M is commonly used in various applications including:

Audio Amplification: The low noise and distortion characteristics make it suitable for audio amplification in devices such as audio receivers, preamplifiers, and headphone amplifiers.
Instrumentation: Its high gain and wide bandwidth make it useful in precision measurement instruments, data acquisition systems, and sensor signal conditioning circuits.
Active Filters: The NJM082M can be employed in active filter circuits for frequency response shaping and signal conditioning.
Oscillators: It can be utilized in oscillator circuits for generating stable oscillations in various electronic systems.

Detailed and Complete Alternative Models

Some alternative models to the NJM082M include:

LM358: Dual operational amplifier with similar specifications and pin configuration.
TL072: Dual JFET-input operational amplifier with low noise and high gain.
NE5532: Dual low-noise operational amplifier with extended bandwidth and high slew rate.

These alternative models offer similar functionality and can be used as replacements for the NJM082M in various applications.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan NJM082M dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of NJM082M in technical solutions:

Q: What is NJM082M? A: NJM082M is a dual operational amplifier (op-amp) integrated circuit commonly used in various electronic applications.
Q: What are the key features of NJM082M? A: NJM082M offers low input offset voltage, low noise, high gain bandwidth product, and wide supply voltage range, making it suitable for precision signal amplification and filtering.
Q: How can NJM082M be used in audio applications? A: NJM082M can be used as a preamplifier or an active filter in audio circuits, providing amplification and frequency response shaping capabilities.
Q: Can NJM082M be used in power supply circuits? A: Yes, NJM082M can be used in power supply circuits for error amplification and feedback control, ensuring stable and regulated output voltages.
Q: Is NJM082M suitable for sensor signal conditioning? A: Absolutely! NJM082M can be used to amplify and condition weak signals from sensors such as temperature, pressure, or light sensors, improving their accuracy and reliability.
Q: Can NJM082M operate on a single power supply? A: Yes, NJM082M can operate on a single power supply, typically ranging from 3V to 36V, making it compatible with a wide range of applications.
Q: What is the maximum output current of NJM082M? A: The maximum output current of NJM082M is typically around 20mA, allowing it to drive small loads directly or larger loads through external components.
Q: Does NJM082M have built-in protection features? A: Yes, NJM082M includes built-in protection against overvoltage, short-circuits, and thermal shutdown, ensuring the safety and longevity of the circuit.
Q: Can NJM082M be used in low-power applications? A: Absolutely! NJM082M has a low quiescent current consumption, making it suitable for battery-powered or energy-efficient devices.
Q: Are there any application notes or reference designs available for NJM082M? A: Yes, the manufacturer of NJM082M provides application notes and reference designs that can help users understand its usage in various technical solutions.

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