TL082IDT

Product Overview

• Category: Integrated Circuit (IC)
• Use: Operational Amplifier
• Characteristics: Dual JFET Input Operational Amplifier
• Package: SOIC-8
• Essence: High-performance operational amplifier with low input bias current and offset voltage
• Packaging/Quantity: Available in reels of 2500 pieces

Specifications

• Supply Voltage: ±3V to ±18V
• Input Offset Voltage: 3 mV (maximum)
• Input Bias Current: 30 pA (maximum)
• Input Offset Current: 5 pA (maximum)
• Gain Bandwidth Product: 4 MHz (typical)
• Slew Rate: 13 V/µs (typical)
• Common Mode Rejection Ratio: 80 dB (typical)
• Operating Temperature Range: -40°C to +105°C

Pin Configuration

The TL082IDT has a standard pin configuration as follows:

___________ NC --|1 8|-- VCC+ IN- --|2 7|-- OUT IN+ --|3 6|-- VCC- NC --|4 5|-- NC -----------

Functional Features

• Dual JFET input allows for high input impedance and low input bias current.
• Wide supply voltage range enables flexibility in various applications.
• Low input offset voltage and current ensure accurate amplification.
• High gain bandwidth product and slew rate enable fast signal processing.
• Good common mode rejection ratio reduces noise interference.

Advantages

• High performance with low input bias current and offset voltage.
• Versatile supply voltage range allows for compatibility with different systems.
• Suitable for precision applications due to low input offset voltage and current.
• Fast signal processing capabilities enable accurate amplification of time-varying signals.
• Good common mode rejection ratio minimizes noise and interference.

Disadvantages

• Limited gain bandwidth product compared to some other operational amplifiers.
• Slightly higher input bias current than certain alternative models.
• Not suitable for high-frequency applications due to limited bandwidth.

Working Principles

The TL082IDT is an operational amplifier that amplifies the difference between two input voltages. It utilizes JFET (junction field-effect transistor) technology, which provides high input impedance and low input bias current. The amplified output voltage is proportional to the difference between the input voltages, with a gain determined by external resistors connected to the amplifier's pins.

Detailed Application Field Plans

The TL082IDT is commonly used in various applications, including:

1. Audio Amplification: Provides high-quality audio amplification in audio systems, such as preamplifiers and headphone amplifiers.
2. Instrumentation Amplifiers: Used in precision measurement equipment to amplify small signals accurately.
3. Active Filters: Enables the design of active filters for signal conditioning and frequency response shaping.
4. Signal Conditioning: Amplifies and processes weak signals from sensors or transducers in industrial control systems.
5. Voltage Followers: Acts as a buffer to isolate input and output impedances in voltage follower circuits.

Detailed and Complete Alternative Models

Some alternative models to TL082IDT include:

1. LM358: Dual operational amplifier with similar characteristics and pin configuration.
2. TL072: Low-noise dual operational amplifier with wider bandwidth.
3. OP07: Precision operational amplifier with ultra-low input offset voltage and current.
4. AD822: Instrumentation amplifier with high accuracy and low noise.

These alternative models offer different features and performance specifications, allowing users to choose the most suitable option based on their specific requirements.

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