OPA549 (4)
TIThe OPA549 is available from TI at Xecor. Designed for high-voltage and high-current operational amplification, the OPA549 offers excellent output swing, adjustable current limit, and thermal shutdown protection. Available in 11-lead power packages such as TO-220 and TO-OTHER, it is ideal for applications like valve and actuator drivers, servo systems, power supplies, and audio amplifiers. Whether used in industrial automation, test equipment, or transducer excitation, this series ensures reliable performance, flexibility, and efficiency for demanding applications. Xecor is an authorized distributor for TI. Please view our extensive selection of the OPA549 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| OPA549T | EA packaging containing an 11-pin operational amplifier for versatile use | TO-220 | 3,869 | |
| OPA549S | Op Amp Single High Output Current Amplifier ±30V/60V 11-Pin(11+Tab) PFM Tube | TOOTHER-11 | 3,375 | |
| OPA549MKVC | Operational Amplifier for High-Voltage and High-Current Applications | TOOTHER-11 | 6,674 | |
| OPA549TG3 | Exciting Output Swing Capability | TO220-11 | 9,932 |
Key Featrues
High Output Current (8A Continuous, 10A Peak): The OPA549 can deliver up to 8A of continuous current and 10A peak, making it ideal for driving high-current loads such as motors, actuators, and audio amplifiers. This high current capability ensures robust performance in demanding applications, reducing the need for additional external components.
Wide Power Supply Range (Single: +8V to +60V, Dual: ±4V to ±30V): The OPA549 operates over a wide range of power supply voltages, providing design flexibility for both single and dual-supply configurations. This versatility allows the amplifier to be used in a variety of industrial, automotive, and test equipment applications.
Adjustable Current Limit and Thermal Shutdown Protection: The OPA549 features an adjustable current limit, which can be set using a resistor, potentiometer, or DAC, providing precise control over output current. Combined with thermal shutdown protection, this ensures safe operation under overload or high-temperature conditions, enhancing reliability and longevity.
High Slew Rate (9V/µs): With a high slew rate of 9V/µs, the OPA549 can handle fast signal transitions, making it suitable for applications requiring rapid response times, such as servo drivers, transducer excitation, and audio amplifiers. This feature ensures minimal distortion and improved signal fidelity.
Output Disable Control and Thermal Shutdown Indicator: The Enable/Status (E/S) pin allows the output stage to be disabled, effectively disconnecting the load, and provides a thermal shutdown indicator. This dual functionality enhances system safety and control, enabling efficient power management and fault detection in critical applications.
Wide Power Supply Range (Single: +8V to +60V, Dual: ±4V to ±30V): The OPA549 operates over a wide range of power supply voltages, providing design flexibility for both single and dual-supply configurations. This versatility allows the amplifier to be used in a variety of industrial, automotive, and test equipment applications.
Adjustable Current Limit and Thermal Shutdown Protection: The OPA549 features an adjustable current limit, which can be set using a resistor, potentiometer, or DAC, providing precise control over output current. Combined with thermal shutdown protection, this ensures safe operation under overload or high-temperature conditions, enhancing reliability and longevity.
High Slew Rate (9V/µs): With a high slew rate of 9V/µs, the OPA549 can handle fast signal transitions, making it suitable for applications requiring rapid response times, such as servo drivers, transducer excitation, and audio amplifiers. This feature ensures minimal distortion and improved signal fidelity.
Output Disable Control and Thermal Shutdown Indicator: The Enable/Status (E/S) pin allows the output stage to be disabled, effectively disconnecting the load, and provides a thermal shutdown indicator. This dual functionality enhances system safety and control, enabling efficient power management and fault detection in critical applications.
Applications
High-Power Actuator Driver: The OPA549 is ideal for driving high-power actuators in industrial automation and robotics. Its high output current capability (up to 10A peak) and wide power supply range enable precise control of heavy-duty actuators, ensuring reliable operation in demanding environments such as manufacturing and assembly lines.
Servo Motor Controller: The OPA549 is well-suited for servo motor control applications, offering high slew rates (9V/µs) and excellent output voltage swing. Its adjustable current limit and thermal shutdown protection ensure safe and efficient operation in servo systems used in CNC machines, robotics, and precision positioning systems.
Audio Power Amplifier: With its high output current and wide power supply range, the OPA549 is an excellent choice for high-fidelity audio power amplifiers. Its ability to drive low-impedance loads and maintain signal accuracy makes it ideal for professional audio systems, home theater setups, and portable audio devices.
Transducer Excitation Circuit: The OPA549 is perfect for transducer excitation in measurement and testing equipment. Its high output current and voltage swing allow it to drive a variety of transducers, such as piezoelectric sensors and load cells, with high accuracy and stability, making it suitable for applications in medical devices, automotive testing, and industrial instrumentation.
Servo Motor Controller: The OPA549 is well-suited for servo motor control applications, offering high slew rates (9V/µs) and excellent output voltage swing. Its adjustable current limit and thermal shutdown protection ensure safe and efficient operation in servo systems used in CNC machines, robotics, and precision positioning systems.
Audio Power Amplifier: With its high output current and wide power supply range, the OPA549 is an excellent choice for high-fidelity audio power amplifiers. Its ability to drive low-impedance loads and maintain signal accuracy makes it ideal for professional audio systems, home theater setups, and portable audio devices.
Transducer Excitation Circuit: The OPA549 is perfect for transducer excitation in measurement and testing equipment. Its high output current and voltage swing allow it to drive a variety of transducers, such as piezoelectric sensors and load cells, with high accuracy and stability, making it suitable for applications in medical devices, automotive testing, and industrial instrumentation.
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