OPA4251UA/2K5G4 - English Editing Encyclopedia Entry

Product Overview

Category: Operational Amplifier (Op-Amp)

Use: The OPA4251UA/2K5G4 is a high-speed, low-noise operational amplifier designed for precision applications. It is commonly used in audio amplification, signal conditioning, and measurement circuits.

Characteristics: - High speed: The OPA4251UA/2K5G4 offers a high slew rate and bandwidth, making it suitable for applications requiring fast response times. - Low noise: With a low input voltage noise density, this op-amp ensures accurate signal amplification without introducing significant noise. - Precision: The device provides excellent DC accuracy and low offset voltage, enabling precise amplification of small signals. - Wide supply voltage range: The OPA4251UA/2K5G4 can operate from a single or dual power supply, accommodating various circuit configurations. - Low distortion: This op-amp exhibits low harmonic distortion, ensuring faithful reproduction of the input signal.

Package: The OPA4251UA/2K5G4 comes in a small outline package (SOIC) with 8 pins.

Essence: The essence of the OPA4251UA/2K5G4 lies in its ability to provide high-speed, low-noise amplification with exceptional precision, making it ideal for demanding applications that require accurate signal processing.

Packaging/Quantity: The OPA4251UA/2K5G4 is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: ±2.25V to ±18V
• Input Offset Voltage: 0.5mV (maximum)
• Slew Rate: 20V/µs
• Bandwidth: 50MHz
• Input Noise Voltage Density: 7nV/√Hz
• Input Bias Current: 1.5pA (maximum)
• Output Current: 50mA (maximum)

Pin Configuration

The OPA4251UA/2K5G4 features the following pin configuration:

___________ V+ --| |-- V- | | IN+ --| |-- OUT | | IN- --| | |___________|

Functional Features

1. High-speed amplification: The OPA4251UA/2K5G4 offers a fast response time, making it suitable for applications requiring rapid signal processing.
2. Low noise operation: With its low input voltage noise density, this op-amp ensures minimal noise interference in sensitive circuits.
3. Precision amplification: The device provides accurate amplification of small signals with excellent DC accuracy and low offset voltage.
4. Wide supply voltage range: The OPA4251UA/2K5G4 can operate from various power supply configurations, allowing flexibility in circuit design.
5. Low distortion: This op-amp exhibits low harmonic distortion, ensuring faithful reproduction of the input signal.

Advantages and Disadvantages

Advantages: - High-speed performance enables efficient signal processing. - Low noise operation ensures accurate amplification without significant interference. - Excellent precision allows for precise amplification of small signals. - Wide supply voltage range accommodates different circuit configurations. - Low distortion results in faithful reproduction of the input signal.

Disadvantages: - Limited availability in certain regions or markets. - Relatively higher cost compared to standard operational amplifiers. - Requires careful consideration of power supply requirements for optimal performance.

Working Principles

The OPA4251UA/2K5G4 is based on a differential amplifier configuration. It utilizes a combination of active devices and feedback mechanisms to amplify input signals accurately. The op-amp's internal circuitry ensures high gain, low distortion, and minimal noise.

Detailed Application Field Plans

The OPA4251UA/2K5G4 finds applications in various fields, including:

1. Audio Amplification: The op-amp can be used in audio amplifiers to provide high-fidelity sound reproduction.
2. Signal Conditioning: It is suitable for conditioning weak signals in measurement systems, ensuring accurate data acquisition.
3. Instrumentation: The device can be employed in precision instrumentation equipment, such as oscilloscopes and spectrum analyzers.
4. Communication Systems: The op-amp aids in signal processing and filtering tasks in communication systems, enhancing overall performance.
5. Medical Devices: It can be utilized in medical equipment for amplifying bioelectric signals with high precision.

Detailed and Complete Alternative Models

1. OPA2277UA/2K5G4: This op-amp offers similar characteristics and performance to the OPA4251UA/2K5G4, making it a suitable alternative.
2. LT6230IS6#