OPA549T

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OPA549T

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  • ManufacturerTexas Instruments

  • Mfr. Part #OPA549T

  • In Stock3407

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Specifications

Attribute Value
Package Tube
ProductStatus Active
AmplifierType Power
NumberofCircuits 1
SlewRate 9V/µs
GainBandwidthProduct 900 kHz
Current-InputBias 100 nA
Voltage-InputOffset 1 mV
Current-Supply 26mA
Current-Output/Channel 10 A
Voltage-SupplySpan(Min) 8 V
Voltage-SupplySpan(Max) 60 V
OperatingTemperature -40°C ~ 85°C
MountingType Through Hole
Package/Case TO-220-11 (Formed Leads)

Overview

Description

The OPA549T is a high-current operational amplifier designed by Texas Instruments. It is known for its robustness and versatility in driving heavy loads, making it suitable for applications requiring high power delivery such as motor control, audio amplification, and industrial equipment. The OPA549T can output currents up to 8A and operates over a wide power supply range from ±8V to ±60V, allowing for significant design flexibility.
Key features include thermal protection, current limiting, and fault detection capabilities, enhancing its reliability in demanding environments. Its thermal shutdown and adjustable current limit can be externally set, providing customization options for specific application requirements. The device also boasts low distortion and wide bandwidth, ensuring high-performance operation in precision applications.
The OPA549T comes in an industry-standard 11-pin power package, facilitating easy integration into existing systems. Its combination of high output current, thermal protection, and customizable features makes it an ideal choice for engineers working on power-intensive projects.

Equivalent

The OPA549T is a high-voltage, high-current operational amplifier. Equivalent products include the LM3886 from Texas Instruments, TDA7293 from STMicroelectronics, and LT1210 from Analog Devices. Each of these alternatives may vary slightly in specifications such as voltage range, current output, and other features, so it's important to review their datasheets to ensure compatibility with your specific application.

Features

The OPA549T is a high-voltage, high-current operational amplifier designed for a variety of power applications. Key features include:
1. High Output Current: Capable of delivering output currents up to 8A, making it suitable for driving large loads.
2. Wide Supply Voltage Range: Operates with a supply range from ±8V to ±60V, providing flexibility for various systems.
3. Thermal Protection: Includes thermal shutdown and current limit features to protect the device from overheating and excessive current.
4. Adjustable Current Limit: The current limit can be set externally, allowing customization based on specific application needs.
5. High Slew Rate: Offers a slew rate of 9V/µs, enabling fast response times.
6. Low Quiescent Current: Consumes minimal quiescent current for efficient power usage.
7. Package Options: Available in a 7-lead staggered TO-220 package which provides ease of mounting and effective heat dissipation.
8. Applications: Ideal for motor drives, valve controls, and programmable power supplies due to its robust performance and protective features.
These features make the OPA549T suitable for demanding applications requiring reliable high-current amplification.

Pinout

The OPA549T is a high-voltage, high-current operational amplifier. It typically comes in a 7-pin TO-220 package. Here's a brief overview of the pin functions:
1. Pin 1 (E/S): Enable/Shutdown. This pin can be used to enable or shut down the amplifier. A logic high or left open enables the device, whereas a logic low shuts it down.
2. Pin 2 (V−): Negative Power Supply. This pin is connected to the negative supply voltage.
3. Pin 3 (VIN−): Inverting Input. This is the inverting input for the amplifier.
4. Pin 4 (VIN+): Non-Inverting Input. This is the non-inverting input for the amplifier.
5. Pin 5 (Ilim): Current Limit. This pin allows setting the output current limit by connecting a resistor between this pin and the V− pin.
6. Pin 6 (Vout): Output. This pin provides the output of the amplifier.
7. Pin 7 (V+): Positive Power Supply. This pin is connected to the positive supply voltage.
The OPA549T is designed for driving heavy loads, making it suitable for applications requiring high current and voltage operations.

Manufacturer

The OPA549T is manufactured by Texas Instruments. Texas Instruments is a multinational technology company based in the United States, known for designing and manufacturing semiconductors and various integrated circuits. They are a major player in the electronics industry, providing products for a wide range of applications including automotive, industrial, personal electronics, and communications equipment.

Application

The OPA549T is a high-current operational amplifier suitable for a variety of applications. Key areas include:
1. Industrial Control: Used in motor drivers and actuators for precise control.
2. Power Supplies: Functions as a driver in programmable power supplies and test equipment.
3. Audio Amplifiers: Suitable for driving speakers and other audio components due to its high output current.
4. Piezoelectric Devices: Can drive piezo actuators in imaging and precision positioning applications.
5. Analog Signal Processing: Useful in buffering and amplifying signals in various electronic systems.
6. Transducer Drivers: Powers sensors and transducers in measurement systems.
Its robust design with high output current and wide voltage range makes it versatile for demanding applications.

Package

The OPA549T is available in a TO-220 package type. This package is designed for ease of installation, commonly used for high-power applications, and allows for efficient heat dissipation.