OPA4251UA/2K5

Basic Information Overview

• Category: Operational Amplifier
• Use: Signal amplification and conditioning
• Characteristics: High precision, low noise, wide bandwidth
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Precision operational amplifier
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: ±2.25V to ±18V
• Input Offset Voltage: 50µV (maximum)
• Input Bias Current: 10nA (maximum)
• Gain Bandwidth Product: 20MHz
• Slew Rate: 10V/µs
• Output Current: 40mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The OPA4251UA/2K5 has a total of 8 pins:

1. V+ (Positive Power Supply)
2. V- (Negative Power Supply)
3. NC (No Connection)
4. IN- (Inverting Input)
5. IN+ (Non-Inverting Input)
6. OUT (Output)
7. NC (No Connection)
8. NC (No Connection)

Functional Features

• High precision: The OPA4251UA/2K5 offers excellent accuracy and stability in signal amplification applications.
• Low noise: It provides a low noise floor, ensuring minimal interference with the amplified signal.
• Wide bandwidth: With a gain bandwidth product of 20MHz, it can handle high-frequency signals effectively.
• High output current: The device is capable of delivering up to 40mA of output current, making it suitable for driving various loads.

Advantages and Disadvantages

Advantages: - High precision and accuracy - Low noise performance - Wide bandwidth for handling high-frequency signals - High output current capability

Disadvantages: - Limited supply voltage range compared to some other operational amplifiers - Relatively higher input offset voltage compared to certain precision op-amps

Working Principles

The OPA4251UA/2K5 is a precision operational amplifier that amplifies and conditions electrical signals. It operates based on the principles of differential amplification, where the difference between the non-inverting and inverting inputs determines the output voltage. The device utilizes internal circuitry to provide high gain, low noise, and accurate amplification of the input signal.

Detailed Application Field Plans

The OPA4251UA/2K5 finds applications in various fields, including:

1. Audio Amplification: It can be used in audio equipment to amplify and condition audio signals with high precision and low distortion.
2. Sensor Signal Conditioning: The device is suitable for amplifying and conditioning signals from sensors such as temperature, pressure, or strain gauges.
3. Medical Instrumentation: It can be employed in medical devices for amplifying and processing bioelectric signals with high accuracy.
4. Test and Measurement Equipment: The OPA4251UA/2K5 is useful in test and measurement instruments that require precise signal amplification and conditioning.

Detailed and Complete Alternative Models

1. OPA2277UA/2K5: Precision operational amplifier with similar characteristics and pin configuration.
2. LT1677CS8#PBF: Low noise, precision op-amp with wide bandwidth and comparable specifications.
3. AD8628ARZ: Ultra-low noise, precision operational amplifier suitable for high-performance applications.

(Note: This list is not exhaustive and there are several other alternative models available in the market.)

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