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:

```

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| | --| 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:

1. Audio Amplification: The low noise and distortion characteristics make it suitable for audio amplification in devices such as audio receivers, preamplifiers, and headphone amplifiers.
2. Instrumentation: Its high gain and wide bandwidth make it useful in precision measurement instruments, data acquisition systems, and sensor signal conditioning circuits.
3. Active Filters: The NJM082M can be employed in active filter circuits for frequency response shaping and signal conditioning.
4. 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:

1. LM358: Dual operational amplifier with similar specifications and pin configuration.
2. TL072: Dual JFET-input operational amplifier with low noise and high gain.
3. 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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