TL082ID

Product Overview

• Category: Integrated Circuit (IC)
• Use: Operational Amplifier
• Characteristics: Dual JFET Input Operational Amplifier
• Package: DIP-8 (Dual In-line Package with 8 pins)
• Essence: TL082ID is a dual JFET input operational amplifier that provides high input impedance, low input bias current, and low offset voltage. It is commonly used in audio applications, instrumentation amplifiers, and active filters.
• Packaging/Quantity: TL082ID is typically available in tubes or reels, with quantities varying depending on the supplier.

Specifications

• Supply Voltage: ±3V to ±18V
• Input Offset Voltage: 3 mV (maximum)
• Input Bias Current: 30 pA (maximum)
• Input Impedance: 10^12 Ω (typical)
• Gain Bandwidth Product: 4 MHz (typical)
• Slew Rate: 13 V/µs (typical)
• Operating Temperature Range: -40°C to +105°C

Pin Configuration

The TL082ID IC has a DIP-8 package with the following pin configuration:

___________ NC --|1 8|-- VCC+ IN+ --|2 7|-- OUT IN- --|3 6|-- VCC- NC --|4_______5|-- NC

Functional Features

• High input impedance: TL082ID offers a very high input impedance, making it suitable for applications where signal attenuation needs to be minimized.
• Low input bias current: The operational amplifier has a low input bias current, reducing errors caused by input currents.
• Low offset voltage: TL082ID exhibits low offset voltage, ensuring accurate amplification of input signals.
• Wide supply voltage range: It can operate with a wide range of supply voltages, providing flexibility in various applications.
• Dual JFET inputs: The dual JFET input design allows for low noise and high-speed performance.

Advantages and Disadvantages

Advantages: - High input impedance - Low input bias current - Low offset voltage - Wide supply voltage range - Dual JFET inputs for low noise

Disadvantages: - Limited gain bandwidth product compared to some other operational amplifiers - Relatively slower slew rate compared to newer models

Working Principles

The TL082ID is based on the operational amplifier (op-amp) circuitry. It utilizes JFET (junction field-effect transistor) inputs to achieve high input impedance and low input bias current. The op-amp amplifies the difference between its two input terminals, producing an output voltage proportional to this difference. By adjusting the feedback network, the TL082ID can be configured to perform various amplification and filtering tasks.

Detailed Application Field Plans

The TL082ID finds applications in various fields, including:

1. Audio Amplification: It is commonly used in audio preamplifiers, mixers, and equalizers due to its low noise characteristics and high input impedance.
2. Instrumentation Amplifiers: TL082ID is suitable for precision measurement applications where accurate amplification of small signals is required.
3. Active Filters: It can be used in active filter circuits to shape or modify the frequency response of a signal.
4. Signal Conditioning: TL082ID is often employed in signal conditioning circuits to prepare analog signals for further processing or conversion.

Detailed Alternative Models

There are several alternative models available that offer similar functionality to the TL082ID. Some popular alternatives include:

1. LM358: A dual operational amplifier with similar specifications and pin configuration.
2. TL072: A dual JFET input operational amplifier with a wider gain bandwidth product and lower input bias current.
3. NE5532: A dual low-noise operational amplifier with higher gain bandwidth product and lower total harmonic distortion.

These alternative models can be considered based on specific application requirements and desired performance characteristics.

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