OPA2134PAG4 - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: The OPA2134PAG4 is a high-performance audio operational amplifier designed for use in professional audio equipment, musical instruments, and high-fidelity audio systems.

Characteristics: - Low noise: The OPA2134PAG4 offers low noise performance, making it suitable for applications requiring high-quality audio reproduction. - High bandwidth: With a wide bandwidth, this operational amplifier can handle audio signals with high frequencies accurately. - High slew rate: The high slew rate of the OPA2134PAG4 enables it to respond quickly to rapid changes in input signals. - Low distortion: This IC provides low total harmonic distortion (THD) and intermodulation distortion (IMD), ensuring faithful audio reproduction. - High output current: The OPA2134PAG4 can deliver a high output current, making it suitable for driving headphones and other low-impedance loads.

Package: The OPA2134PAG4 comes in an 8-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package.

Essence: The OPA2134PAG4 is a high-performance audio operational amplifier that combines low noise, high bandwidth, and low distortion characteristics to provide accurate and high-quality audio amplification.

Packaging/Quantity: The OPA2134PAG4 is typically available in tubes or reels, with quantities varying depending on the supplier.

Specifications

• Supply voltage range: ±2.5V to ±18V
• Input offset voltage: 0.25mV (maximum)
• Input bias current: 1nA (maximum)
• Gain bandwidth product: 8MHz (typical)
• Slew rate: 20V/µs (typical)
• Total harmonic distortion: 0.00008% (typical)
• Output current: ±25mA
• Operating temperature range: -40°C to +85°C

Pin Configuration

The OPA2134PAG4 features the following pin configuration:

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

Functional Features

• Low noise operation for high-quality audio applications.
• High bandwidth and slew rate enable accurate reproduction of high-frequency signals.
• Low distortion ensures faithful audio amplification.
• High output current capability allows driving low-impedance loads.
• Wide supply voltage range provides flexibility in various audio systems.

Advantages and Disadvantages

Advantages: - Excellent audio performance with low noise and distortion. - Versatile application range due to a wide supply voltage range. - High output current capability for driving demanding loads. - Compact package size for easy integration into audio equipment.

Disadvantages: - Higher cost compared to standard operational amplifiers. - Requires careful consideration of power supply requirements for optimal performance.

Working Principles

The OPA2134PAG4 is based on a differential amplifier architecture, which allows it to amplify the difference between its two input terminals. It utilizes advanced circuitry and design techniques to achieve low noise, low distortion, and high bandwidth characteristics. The internal components and layout are optimized for audio applications, ensuring accurate and faithful audio reproduction.

Detailed Application Field Plans

The OPA2134PAG4 finds applications in various audio-related fields, including: - Professional audio equipment such as mixers, preamplifiers, and audio interfaces. - Musical instruments like guitar amplifiers, synthesizers, and effects processors. - High-fidelity audio systems including stereo amplifiers, DACs (Digital-to-Analog Converters), and headphone amplifiers.

Detailed Alternative Models

For those seeking alternative options, the following operational amplifiers can be considered: - OPA2132: Similar to OPA2134PAG4 but without the extended temperature range. - NE5532: A popular general-purpose audio operational amplifier with good performance. - LM4562: Known for its exceptional audio quality and low distortion characteristics.

These alternatives offer different trade-offs in terms of cost, performance, and specific application requirements.

In conclusion, the OPA2134PAG4 is a high-performance audio operational amplifier that excels in low noise, high bandwidth, and low distortion applications. Its versatile nature makes it suitable for professional audio equipment, musical instruments, and high-fidelity audio systems. With careful consideration of its advantages and disadvantages, along with alternative models, designers can select the most appropriate operational amplifier for their specific needs.