OPA551PA

Introduction

The OPA551PA is a high-voltage, high-current operational amplifier designed for a wide range of applications. This entry provides an overview of the product, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Overview

• Category: Operational Amplifier
• Use: The OPA551PA is commonly used in audio amplifiers, industrial control systems, and power supply control applications.
• Characteristics: It is known for its high voltage and current capabilities, low distortion, and wide operating temperature range.
• Package: The OPA551PA is available in a TO-220 package, which allows for easy heat sinking and thermal management.
• Essence: Its essence lies in providing high-performance amplification in demanding applications.
• Packaging/Quantity: It is typically available in tubes or reels containing multiple units.

Specifications

• Supply Voltage: ±5V to ±40V
• Input Offset Voltage: 1mV (maximum)
• Input Bias Current: 10nA (maximum)
• Output Current: ±50mA
• Operating Temperature Range: -40°C to 125°C
• Gain Bandwidth Product: 8MHz
• Slew Rate: 20V/µs
• Quiescent Current: 7.5mA

Detailed Pin Configuration

The OPA551PA has a standard operational amplifier pin configuration with eight pins, including non-inverting input, inverting input, output, positive supply, negative supply, and compensation pins.

Functional Features

• High voltage and current capability
• Low distortion
• Wide operating temperature range
• Short-circuit protection
• Thermal shutdown protection

Advantages and Disadvantages

Advantages

• High voltage and current handling capacity
• Low distortion for high-fidelity applications
• Robust thermal and short-circuit protection mechanisms

Disadvantages

• Relatively higher quiescent current compared to some low-power op-amps
• Larger footprint due to TO-220 package

Working Principles

The OPA551PA operates on the principles of differential amplification, providing high gain and linearity while accommodating high voltage and current levels. It utilizes internal circuitry to maintain stability and protect against overloads and thermal issues.

Detailed Application Field Plans

The OPA551PA finds extensive use in the following applications: - Audio amplifiers requiring high power and low distortion - Industrial control systems where robustness and reliability are crucial - Power supply control circuits demanding high current handling

Detailed and Complete Alternative Models

Some alternative models to the OPA551PA include: - OPA552PA: Higher voltage and current handling capabilities - OPA548T: Lower quiescent current for power-sensitive applications - LM675T/NOPB: Similar high-voltage, high-current performance

In conclusion, the OPA551PA is a versatile operational amplifier suitable for demanding applications that require high voltage and current capabilities, low distortion, and reliable performance across a wide temperature range.

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