OPA2251UA/2K5G4

Product Overview

• Category: Operational Amplifier
• Use: Signal amplification and conditioning in various electronic circuits
• Characteristics: High precision, low noise, wide bandwidth, low power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: High-performance operational amplifier for precision applications
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: ±2.25V to ±18V
• Input Offset Voltage: 150µV (maximum)
• Input Bias Current: 10nA (maximum)
• Gain Bandwidth Product: 10MHz
• Slew Rate: 7V/µs
• Quiescent Current: 1.3mA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The OPA2251UA/2K5G4 has a standard 8-pin SOIC package with the following pin configuration:

___________ V+ | | V- ---->| |<----- | | ---->| |<----- OUT | | ---->| | IN- | | ---->| | IN+ |___________|

Functional Features

• High precision: The OPA2251UA/2K5G4 offers excellent accuracy and stability, making it suitable for precision applications.
• Low noise: It provides a low noise floor, enabling accurate signal amplification even in noisy environments.
• Wide bandwidth: With a gain bandwidth product of 10MHz, it can handle high-frequency signals effectively.
• Low power consumption: The operational amplifier operates with low quiescent current, minimizing power consumption.

Advantages and Disadvantages

Advantages: - High precision and accuracy - Low noise performance - Wide bandwidth for handling high-frequency signals - Low power consumption

Disadvantages: - Limited supply voltage range compared to some other operational amplifiers - Higher input offset voltage compared to certain precision models

Working Principles

The OPA2251UA/2K5G4 is based on a differential amplifier configuration, where the difference between the two input voltages (IN+ and IN-) is amplified. It utilizes a combination of active devices and feedback mechanisms to achieve high gain, low distortion, and precise signal amplification.

Detailed Application Field Plans

The OPA2251UA/2K5G4 finds applications in various fields, including: 1. Precision measurement equipment 2. Data acquisition systems 3. Medical instrumentation 4. Audio amplification circuits 5. Sensor signal conditioning 6. Industrial control systems

Detailed and Complete Alternative Models

1. OPA2277UA/2K5G4: Similar performance with lower input offset voltage
2. OPA2188UA/2K5G4: Higher bandwidth and faster slew rate
3. OPA2111KP/2K5G4: Ultra-low noise and higher precision

These alternative models offer different trade-offs in terms of specifications and features, allowing users to choose the most suitable option for their specific application requirements.

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