OPA2251UA/2K5

Product Overview

Category

OPA2251UA/2K5 belongs to the category of operational amplifiers (op-amps).

Use

This product is commonly used in various electronic circuits and systems where amplification of signals is required.

Characteristics

• High gain: The OPA2251UA/2K5 offers a high open-loop gain, allowing for accurate amplification of input signals.
• Low noise: It has low noise characteristics, making it suitable for applications that require precise signal processing.
• Wide bandwidth: This op-amp provides a wide bandwidth, enabling it to handle a broad range of frequencies.
• Low power consumption: The OPA2251UA/2K5 operates with low power consumption, making it energy-efficient.

Package

The OPA2251UA/2K5 is available in a small outline package (SOIC) with 8 pins.

Essence

The essence of the OPA2251UA/2K5 lies in its ability to amplify weak signals accurately and efficiently.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply voltage: ±2.25V to ±18V
• Input offset voltage: 150µV (maximum)
• Input bias current: 1nA (maximum)
• Gain bandwidth product: 10MHz
• Slew rate: 7V/µs
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The OPA2251UA/2K5 has the following pin configuration:

1. V+
2. V-
3. Output
4. NC (No Connection)
5. NC (No Connection)
6. NC (No Connection)
7. NC (No Connection)
8. VCC

Functional Features

• Rail-to-rail input and output: The OPA2251UA/2K5 supports rail-to-rail input and output voltage range, allowing for maximum utilization of the supply voltage.
• Unity-gain stable: This op-amp is unity-gain stable, making it suitable for applications where a gain of 1 is required.
• Low distortion: It exhibits low harmonic distortion, ensuring accurate signal reproduction.

Advantages and Disadvantages

Advantages

• High gain and wide bandwidth enable accurate amplification of signals across a broad frequency range.
• Low noise characteristics make it suitable for applications that require precise signal processing.
• Low power consumption results in energy-efficient operation.

Disadvantages

• Limited number of pins may restrict its use in complex circuits requiring multiple connections.
• Not suitable for high-voltage applications due to its limited supply voltage range.

Working Principles

The OPA2251UA/2K5 operates based on the principles of differential amplification. It amplifies the voltage difference between its two input terminals, providing an amplified output signal.

Detailed Application Field Plans

The OPA2251UA/2K5 finds application in various fields, including: 1. Audio amplification: It can be used in audio systems to amplify weak audio signals with high fidelity. 2. Sensor signal conditioning: This op-amp is suitable for amplifying and conditioning signals from sensors such as temperature, pressure, or light sensors. 3. Instrumentation: It can be employed in precision measurement instruments to amplify small electrical signals accurately.

Detailed and Complete Alternative Models

Some alternative models to the OPA2251UA/2K5 include: - LM358 - TL072 - AD822

These alternatives offer similar functionality and can be used as substitutes depending on specific requirements.

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