TL082IN

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Operational Amplifier
• Characteristics: Dual JFET Input, Low Power Consumption
• Package: DIP-8 (Dual In-Line Package with 8 pins)
• Essence: High-performance operational amplifier
• Packaging/Quantity: Typically sold in reels of 2,500 units

Specifications

• Supply Voltage Range: ±3V to ±18V
• Input Offset Voltage: 3 mV (maximum)
• Input Bias Current: 30 nA (maximum)
• Input Offset Current: 5 nA (maximum)
• Gain Bandwidth Product: 4 MHz (typical)
• Slew Rate: 13 V/µs (typical)
• Common Mode Rejection Ratio: 70 dB (typical)
• Operating Temperature Range: -40°C to +105°C

Detailed Pin Configuration

1. Non-Inverting Input (Pin 3)
2. Inverting Input (Pin 2)
3. Output (Pin 6)
4. VCC+ (Positive Power Supply)
5. Offset Null (Used for offset voltage adjustment)
6. VCC- (Negative Power Supply)
7. NC (No Connection)
8. Ground (GND)

Functional Features

• Dual JFET input allows for high input impedance and low input bias current.
• Low power consumption makes it suitable for battery-powered applications.
• Wide supply voltage range enables flexibility in various circuit designs.
• High gain bandwidth product ensures accurate amplification of signals.
• Fast slew rate allows for quick response to input changes.
• Good common mode rejection ratio minimizes interference from common-mode signals.

Advantages

• High input impedance and low input bias current result in minimal loading effects on the signal source.
• Low power consumption extends battery life in portable devices.
• Versatile supply voltage range accommodates different power supply configurations.
• Wide operating temperature range makes it suitable for various environments.
• Fast slew rate enables accurate amplification of high-frequency signals.

Disadvantages

• Limited output current capability may restrict its use in certain applications.
• Relatively low gain bandwidth product compared to some other operational amplifiers.
• Higher input offset voltage compared to precision operational amplifiers.

Working Principles

The TL082IN is a dual JFET input operational amplifier that amplifies the difference between the voltages applied to its non-inverting and inverting inputs. It operates by using internal transistors to amplify the input signal and provide a corresponding output voltage. The JFET input stage ensures high input impedance, while the internal circuitry provides gain and stability.

Detailed Application Field Plans

1. Audio Amplification: The TL082IN can be used in audio amplifiers to amplify weak audio signals from sources such as microphones or musical instruments.
2. Signal Conditioning: It is commonly employed in signal conditioning circuits to amplify and filter sensor signals before further processing.
3. Active Filters: The operational amplifier can be utilized in active filter circuits to shape the frequency response of signals.
4. Oscillators: The TL082IN can be configured as an oscillator to generate stable waveforms for various applications.
5. Voltage Regulators: It can be used in voltage regulator circuits to stabilize and regulate the output voltage.

Detailed and Complete Alternative Models

• LM358: Dual operational amplifier with similar characteristics to the TL082IN.
• NE5532: High-performance dual operational amplifier with low noise and distortion.
• OP07: Precision operational amplifier with low input offset voltage and high common mode rejection ratio.
• LM324: Quad operational amplifier with low power consumption and wide supply voltage range.

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