Texas Instruments

OPA445BM  

OP Amps, Buffer Amps ICs

OPA445BM Description

The OPA445BM is a high-performance, general-purpose operational amplifier (op-amp) from Texas Instruments, designed to meet the demanding requirements of a wide range of applications. This op-amp is housed in a through-hole TO99-8 package, making it suitable for applications where robustness and ease of integration are critical. The OPA445BM features a wide supply voltage range, from a minimum of 20 V to a maximum of 90 V, providing flexibility in power supply design. Its gain bandwidth product of 2 MHz ensures stable performance across a broad frequency spectrum, making it ideal for applications requiring precise signal processing.

OPA445BM Features

• Wide Supply Voltage Range: The OPA445BM operates from a supply voltage range of 20 V to 90 V, offering significant flexibility in power supply design and compatibility with various power sources.
• High Slew Rate: With a slew rate of 15 V/µs, the OPA445BM can handle fast-changing signals efficiently, ensuring minimal distortion and accurate signal reproduction.
• Low Input Bias Current: The input bias current of just 10 pA minimizes the impact of input loading, making the OPA445BM suitable for high-impedance sources.
• Low Input Offset Voltage: The low input offset voltage of 1 mV ensures high accuracy in signal processing, crucial for precision applications.
• High Output Current: The OPA445BM can deliver up to 15 mA of output current per channel, enabling it to drive moderate to high load applications effectively.
• General-Purpose Amplifier Type: As a general-purpose op-amp, the OPA445BM is versatile and can be used in a variety of applications, from simple signal conditioning to more complex systems.
• Compliance and Packaging: The OPA445BM is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and regulatory standards. It is packaged in a tube, which is ideal for through-hole mounting and easy integration into existing systems.

OPA445BM Applications

The OPA445BM is well-suited for a variety of applications due to its robust performance and versatile design. Some specific use cases include:

• Signal Conditioning: The OPA445BM's low input bias current and low input offset voltage make it ideal for conditioning signals from high-impedance sources, such as sensors and transducers, ensuring accurate and reliable signal processing.
• Audio Amplification: With its high slew rate and wide supply voltage range, the OPA445BM can handle high-frequency audio signals with minimal distortion, making it suitable for audio amplification applications.
• Industrial Control Systems: The robust through-hole packaging and wide operating voltage range make the OPA445BM suitable for industrial control systems where reliability and durability are paramount.
• Medical Equipment: The OPA445BM's precision and compliance with environmental standards make it a viable choice for medical equipment where accuracy and reliability are critical.

Conclusion of OPA445BM

The OPA445BM from Texas Instruments is a versatile and high-performance general-purpose operational amplifier that offers a wide range of benefits for various applications. Its wide supply voltage range, high slew rate, low input bias current, and low input offset voltage make it an ideal choice for precision signal processing and high-impedance sources. The OPA445BM's compliance with environmental and regulatory standards, along with its robust through-hole packaging, ensures it is suitable for a wide range of industrial and medical applications. Whether used in signal conditioning, audio amplification, or industrial control systems, the OPA445BM provides reliable performance and ease of integration, making it a valuable component in the electronics industry.

OPA445BM Documents

Download datasheets and manufacturer documentation for OPA445BM

EOL :

Product Discontinuance Notification 2024-04-05 (PDF)       Product Discontinuance Notification (PDF)      

Images :

Mechanical Outline Drawing      

PCN :

Conversion from Conductive bag to Conductive Box for shipments on TO-XXX package (PDF)      

Application Notes :

Simple Circuit Delivers 38Vp-p at 5A from 28V Unipolar Supply      

Technical Resources :

OPA445 TINA-TI Reference Design (Rev. B)      

SPICE Models :

OPA445 PSpice Model (Rev. A)       OPA445 TINA-TI Spice Model (Rev. B)