TL072CD

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Operational Amplifier
• Characteristics: Dual JFET Input, Low Noise, Low Distortion
• Package: DIP-8 (Dual In-Line Package with 8 pins)
• Essence: High-performance audio operational amplifier
• Packaging/Quantity: Available in tubes or reels, typically sold in quantities of 25 or more

Specifications

• Supply Voltage Range: ±3V to ±18V
• Input Offset Voltage: 3 mV (maximum)
• Input Bias Current: 30 nA (maximum)
• Input Noise Voltage: 18 nV/√Hz (typical)
• Gain Bandwidth Product: 3 MHz (typical)
• Slew Rate: 13 V/µs (typical)
• Output Current: 20 mA (maximum)

Detailed Pin Configuration

The TL072CD has a standard DIP-8 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.
• Low noise and distortion make it suitable for high-fidelity audio applications.
• Wide supply voltage range enables flexibility in various circuit designs.
• High gain bandwidth product ensures accurate signal amplification.
• Fast slew rate allows for rapid response to input changes.

Advantages and Disadvantages

Advantages: - Low noise and distortion result in high-quality audio reproduction. - Wide supply voltage range provides versatility in different power supply configurations. - Dual JFET input ensures high input impedance and low input bias current.

Disadvantages: - Limited output current may restrict its use in certain applications requiring higher current capabilities. - Slightly higher input offset voltage compared to some other operational amplifiers.

Working Principles

The TL072CD 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 feedback components.

Detailed Application Field Plans

The TL072CD is commonly used in various audio-related applications, including:

1. Audio Amplifiers: Provides accurate amplification of audio signals with low noise and distortion.
2. Active Filters: Used in filter circuits to shape the frequency response of audio signals.
3. Tone Control Circuits: Enables adjustment of bass, midrange, and treble frequencies in audio systems.
4. Instrumentation Amplifiers: Used for precise measurement and amplification of small electrical signals.
5. Oscillators: Can be employed in oscillator circuits to generate stable waveforms for audio synthesis.

Detailed and Complete Alternative Models

Some alternative models to the TL072CD include:

1. LM358: Dual operational amplifier with similar characteristics, but lower performance specifications.
2. NE5532: High-performance dual operational amplifier with lower noise and distortion levels.
3. OPA2134: Precision audio operational amplifier with enhanced features for professional audio applications.
4. LT1358: Low noise, high-speed dual operational amplifier suitable for audio and instrumentation purposes.
5. AD827: Dual, low-distortion, high-performance operational amplifier designed for audio applications.

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