OPA551FA

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OPA551FA

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Operational Amplifiers - Op Amps High-Voltage, High-Current Operational Amplifiers 7-DDPAK/TO-263

  • ManufacturerTexas Instruments

  • Mfr. Part #OPA551FA

  • In Stock21427

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Specifications

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Overview

Description

The OPA551FA is a high-voltage operational amplifier designed for applications requiring wide voltage swings, high current output, and low distortion. It is suitable for driving heavy loads, such as motors or actuators, due to its robust design. The amplifier operates over a wide supply voltage range of ±10V to ±30V, enabling versatile usage in various circuits. It offers a high output current capability of up to 200 mA, with internal current limiting to protect against overloading.
The OPA551FA features low total harmonic distortion and noise, making it ideal for audio applications and precision signal processing. It also includes thermal protection to guard against overheating, enhancing reliability in demanding environments.
With a unity-gain bandwidth of approximately 3 MHz and a slew rate of 15 V/µs, the OPA551FA provides fast and precise signal amplification. It is available in industry-standard packages, simplifying integration into existing designs. Overall, the OPA551FA is a versatile and reliable option for high-voltage, high-current applications requiring precision performance.

Equivalent

The OPA551FA is a high-voltage operational amplifier. Some equivalent or similar products include:
1. OPA552: Another high-voltage op-amp from Texas Instruments.
2. LT1818: A high-speed op-amp from Analog Devices with similar features.
3. LM1875: An audio power amplifier from Texas Instruments that can be used in some similar applications.
4. ADHV4702-1: A high-voltage, precision op-amp from Analog Devices.
Always ensure that pin configurations and specifications match your requirements before substituting.

Features

The OPA551FA is a high-voltage operational amplifier known for its robust performance and versatility. Key features include:
1. High Voltage Operation: The OPA551FA operates on a wide supply voltage range, typically from ±4V to ±30V, making it suitable for applications requiring high voltage.
2. Output Current: It can deliver output currents up to 200mA, which is useful for driving heavier loads directly.
3. Slew Rate: The amplifier has a fast slew rate of about 15V/µs, providing quick response to changes in input signals.
4. Wide Bandwidth: With a gain bandwidth product of approximately 3MHz, it supports applications requiring moderate frequency response.
5. Thermal Protection: Built-in thermal shutdown protection helps prevent damage from overheating.
6. Low Distortion: It offers low total harmonic distortion, maintaining signal integrity in audio and precision applications.
7. Low Input Bias Current: It features a low input bias current, minimizing errors in large resistance feedback networks.
8. Package Options: Available in different packages, including the TO-220, for flexibility in design and thermal management.
These features make the OPA551FA suitable for industrial, automotive, and medical applications requiring robust performance and reliability.

Pinout

The OPA551FA is an operational amplifier that comes in an 8-pin package. Here is a brief overview of its pin configuration and functions:
1. Pin 1 (NC): Not connected.
2. Pin 2 (Inverting Input): Receives the input voltage that is inverted at the output.
3. Pin 3 (Non-Inverting Input): Receives the input voltage that is amplified in phase at the output.
4. Pin 4 (V-): Negative power supply voltage terminal.
5. Pin 5 (NC): Not connected.
6. Pin 6 (Output): Provides the amplified output voltage signal.
7. Pin 7 (V+): Positive power supply voltage terminal.
8. Pin 8 (NC): Not connected.
The OPA551FA is designed for high-voltage and high-current applications, making it suitable for driving heavy loads. It operates over a wide range of supply voltages and provides high output current capability, which is beneficial in industrial and automotive applications.

Manufacturer

The OPA551FA is manufactured by Texas Instruments. Texas Instruments, commonly referred to as TI, is an American technology company that designs and manufactures semiconductors and integrated circuits. It is a major player in the electronics industry and is well-known for its analog and embedded processing products. TI provides a wide range of products and solutions that are used in various applications, including automotive, industrial, personal electronics, communications, and enterprise systems. The company is recognized for its innovation and contributions to the development of electronic technology.

Application

The OPA551FA is a high-voltage operational amplifier suitable for a variety of applications. It is commonly used in industrial and automotive systems due to its wide supply voltage range and high output current capabilities. Key applications include driving heavy loads such as motors or actuators, precision power supplies, and test equipment. It is also used in medical instrumentation for patient monitoring devices and therapeutic equipment. Additionally, the OPA551FA is employed in audio applications for high-fidelity amplification and in telecommunications for signal processing tasks. Its robust performance in harsh environments makes it ideal for military and aerospace applications as well.

Package

The OPA551FA is an operational amplifier from Texas Instruments, housed in a 20-pin flatpack package. This package type is suitable for applications requiring a robust, high-power amplifier with good thermal handling capabilities.