OPA2131UJ/2K5

Product Overview

Category

OPA2131UJ/2K5 belongs to the category of operational amplifiers (op-amps).

Use

OPA2131UJ/2K5 is commonly used in audio applications, such as high-fidelity audio systems, professional audio equipment, and musical instruments.

Characteristics

• High precision: OPA2131UJ/2K5 offers excellent accuracy and low distortion, making it suitable for demanding audio applications.
• Low noise: It has a low noise figure, ensuring clear and high-quality audio reproduction.
• Wide bandwidth: The op-amp provides a wide frequency response range, enabling accurate signal amplification across various audio frequencies.
• High slew rate: OPA2131UJ/2K5 exhibits a high slew rate, allowing it to handle fast voltage changes effectively.
• Low power consumption: It operates with low power consumption, making it suitable for battery-powered devices.
• Stable operation: The op-amp maintains stability even when driving complex loads or operating in challenging environments.

Package and Quantity

OPA2131UJ/2K5 is available in a small outline integrated circuit (SOIC) package. It is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: ±2.5V to ±18V
• Input Offset Voltage: 0.25mV (maximum)
• Input Bias Current: 1nA (maximum)
• Gain Bandwidth Product: 8MHz
• Slew Rate: 20V/µs
• Total Harmonic Distortion: 0.00008% (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The OPA2131UJ/2K5 op-amp features an 8-pin SOIC package with the following pin configuration:

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

Functional Features

• High gain: OPA2131UJ/2K5 offers a high open-loop voltage gain, allowing for precise signal amplification.
• Unity-gain stable: It remains stable even at unity gain, ensuring accurate and reliable amplification.
• Low output impedance: The op-amp has a low output impedance, enabling it to drive various loads effectively.
• Rail-to-rail output swing: It provides an output voltage swing that reaches close to the supply rails, maximizing dynamic range.

Advantages and Disadvantages

Advantages

• High precision and low distortion for accurate audio reproduction.
• Wide bandwidth allows for faithful amplification across different audio frequencies.
• Low noise figure ensures clear and high-quality audio signals.
• Stable operation under challenging conditions.
• Low power consumption makes it suitable for battery-powered devices.

Disadvantages

• Limited availability in alternative packages.
• Relatively higher cost compared to some other op-amps in the market.

Working Principles

OPA2131UJ/2K5 is a voltage-feedback operational amplifier. It amplifies the voltage difference between its two input terminals (IN+) and (IN-) and produces an amplified output voltage. The op-amp utilizes internal circuitry to achieve high gain, low distortion, and stability.

Detailed Application Field Plans

OPA2131UJ/2K5 finds applications in various audio-related fields, including: - High-fidelity audio systems - Professional audio equipment - Musical instruments - Audio mixers and consoles - Headphone amplifiers - Audio preamplifiers

Detailed and Complete Alternative Models

While OPA2131UJ/2K5 is a popular choice, there are alternative op-amps available in the market that offer similar functionality. Some notable alternatives include: - NE5532 - TL072 - AD823 - LM4562 - NJM4580

These alternatives provide comparable performance and can be considered based on specific application requirements.

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