Texas Instruments

OPA541AM  

OP Amps, Buffer Amps ICs

OPA541AM Description

The OPA541AM is a high-performance power operational amplifier designed by Texas Instruments, suitable for demanding applications requiring high current output and robust performance. This device is housed in a through-hole TO-38 package, making it ideal for applications where physical robustness and thermal management are critical. The OPA541AM features a maximum supply voltage span of 70 V and a minimum of 20 V, providing flexibility in power supply requirements. It boasts a gain bandwidth product of 1.6 MHz and a slew rate of 10 V/µs, ensuring fast response times and high fidelity in signal processing. The amplifier is designed to deliver up to 01 A of output current per channel, making it suitable for driving heavy loads. With an input bias current of just 4 pA and an input offset voltage of 2 mV, the OPA541AM offers high precision and low noise performance. The device is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability and regulatory adherence. Although the OPA541AM is marked as "Not For New Designs," its existing installations continue to benefit from its reliable performance.

OPA541AM Features

• High Current Capability: The OPA541AM can deliver up to 10 A of output current per channel, making it suitable for applications requiring significant power delivery.
• Wide Supply Voltage Range: With a supply voltage span ranging from 20 V to 70 V, the amplifier can operate across a wide range of power supply configurations.
• Fast Slew Rate: The 10 V/µs slew rate ensures that the OPA541AM can handle high-frequency signals with minimal distortion, making it ideal for applications requiring fast transient response.
• Low Input Bias Current: The 4 pA input bias current minimizes the impact of bias currents on the input signal, resulting in high precision and low noise performance.
• High Gain Bandwidth Product: The 1.6 MHz gain bandwidth product allows the OPA541AM to maintain high gain at higher frequencies, ensuring accurate signal amplification.
• Robust Packaging: The through-hole TO-38 package provides excellent thermal performance and mechanical durability, making it suitable for industrial and high-reliability applications.
• Regulatory Compliance: The OPA541AM is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards.

OPA541AM Applications

The OPA541AM is well-suited for a variety of applications where high current output and robust performance are essential. Some specific use cases include:

• High-Power Audio Amplifiers: The OPA541AM's high current capability and wide supply voltage range make it ideal for driving high-power audio systems, ensuring high-fidelity sound reproduction.
• Industrial Control Systems: The robust packaging and high current output make the OPA541AM suitable for industrial applications where reliability and durability are critical, such as motor control and power management systems.
• Power Supply Circuits: The device's ability to handle significant current loads makes it a good fit for power supply circuits, where it can drive heavy loads with precision.
• Signal Processing: The high gain bandwidth product and fast slew rate enable the OPA541AM to handle complex signal processing tasks, ensuring accurate and reliable performance.

Conclusion of OPA541AM

The OPA541AM from Texas Instruments is a powerful and versatile power operational amplifier, offering high current output, wide supply voltage range, and robust performance. Its unique features, such as the low input bias current and high gain bandwidth product, provide significant advantages over similar models. While it is marked as "Not For New Designs," existing installations continue to benefit from its reliable performance. The OPA541AM is ideal for high-power audio amplifiers, industrial control systems, power supply circuits, and signal processing applications, ensuring high fidelity and robust performance in demanding environments.

OPA541AM Documents

Download datasheets and manufacturer documentation for OPA541AM

Images :

Mechanical Outline Drawing      

PCN :

Material Change of Solder Attach for TO3 Metal Can Substrate Backside Metal and Qualify New Snowflake Substrate (PDF)       Product Change Notification (PDF)       Conversion from Conductive bag to Conductive Box for shipments on TO-XXX package (PDF)      

Application Notes :

Mounting Considerations for TO-3 Packages       Improve OPA541 Current-Limit Stability       MTTF Failrate Reliability and Life Testing      

Technical Resources :

OPA541 TINA-TI Reference Design       Source Files for SBAA345      

SPICE Models :

OPA541 TINA-TI Spice Model       OPA541 PSpice Model (Rev. A)