OPA544T

Product Overview

Category: Operational Amplifier

Use: The OPA544T is a high-power, high-voltage operational amplifier designed for use in various applications such as audio amplification, motor control, and power supply systems.

Characteristics: - High power output capability - Wide voltage range operation - Low distortion and noise - High slew rate - Thermal shutdown protection

Package: The OPA544T comes in a TO-220 package, which provides excellent thermal performance and ease of mounting.

Essence: The essence of the OPA544T lies in its ability to deliver high power output while maintaining low distortion and noise levels.

Packaging/Quantity: The OPA544T is typically available in reels or tubes, with a quantity of 50 units per reel/tube.

Specifications

• Supply Voltage Range: ±10V to ±40V
• Output Power: Up to 60W
• Total Harmonic Distortion: <0.1%
• Slew Rate: 20V/µs
• Input Offset Voltage: <5mV
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The OPA544T has a total of five pins:

1. V+ (Positive Supply Voltage)
2. V- (Negative Supply Voltage)
3. IN- (Inverting Input)
4. IN+ (Non-Inverting Input)
5. OUT (Output)

Functional Features

• High power output: The OPA544T can deliver up to 60W of power, making it suitable for applications requiring high power amplification.
• Wide voltage range operation: It can operate within a wide supply voltage range, allowing flexibility in various system designs.
• Low distortion and noise: The amplifier ensures minimal distortion and noise, resulting in high-quality audio and precise control.
• Thermal shutdown protection: The OPA544T incorporates thermal shutdown protection to prevent damage due to excessive heat.

Advantages and Disadvantages

Advantages: - High power output capability - Wide voltage range operation - Low distortion and noise - Thermal shutdown protection

Disadvantages: - Limited pin configuration options - Relatively high cost compared to lower-power amplifiers

Working Principles

The OPA544T operates as a voltage amplifier, where the input signal is amplified to a higher power level. It utilizes a combination of internal circuitry and external components to achieve the desired amplification characteristics. The amplifier's high slew rate ensures fast response to input signals, while its low distortion and noise levels maintain signal integrity.

Detailed Application Field Plans

The OPA544T finds applications in various fields, including:

1. Audio Amplification: The amplifier can be used in audio systems to drive speakers and provide high-quality sound reproduction.
2. Motor Control: It can be employed in motor control circuits to regulate motor speed and torque.
3. Power Supply Systems: The OPA544T can be utilized in power supply systems to amplify and regulate voltage levels.

Detailed and Complete Alternative Models

1. OPA541T: Similar to the OPA544T, but with a lower power output of up to 40W.
2. OPA548T: Offers higher power output of up to 100W, suitable for applications requiring even greater power amplification.
3. OPA549T: Provides similar power output to the OPA544T but with improved thermal performance.

These alternative models offer different power capabilities and may be chosen based on specific application requirements.

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