Texas Instruments

OPA2111KM

OPA2111KM Description

The OPA2111KM is a general-purpose operational amplifier from Texas Instruments, featuring a dual-channel design in a through-hole TO99-8 package. This IC is part of the Difet® series, known for its robust performance and reliability. The OPA2111KM operates within a wide supply voltage range of 10V to 36V, making it suitable for various power supply configurations. It offers a gain bandwidth product of 2 MHz and a slew rate of 2V/µs, ensuring high-frequency performance and fast transient response. The amplifier is designed for low noise and low input bias current, with a current input bias of 3 pA and an input offset voltage of 300 µV. It supports a supply current of 5mA per channel and can deliver an output current of 10 mA per channel. The OPA2111KM is rated for an operating temperature range of 0°C to 70°C, making it suitable for industrial and commercial applications. Despite being marked as obsolete, it remains a reliable choice for applications requiring high performance and durability.

OPA2111KM Features

• Wide Supply Voltage Range: Operates from 10V to 36V, providing flexibility in power supply requirements.
• High Gain Bandwidth Product: Achieves a gain bandwidth product of 2 MHz, suitable for high-frequency applications.
• Fast Slew Rate: A slew rate of 2V/µs ensures quick response to transient signals, minimizing distortion.
• Low Input Bias Current: With an input bias current of only 3 pA, the OPA2111KM minimizes loading effects on high-impedance sources.
• Low Input Offset Voltage: An input offset voltage of 300 µV ensures high accuracy in signal processing.
• Dual-Channel Design: Features two independent operational amplifier channels, allowing for compact and efficient circuit design.
• Through-Hole Mounting: The TO99-8 package is ideal for applications requiring robust mechanical stability and ease of manual assembly.
• Compliance and Safety: The OPA2111KM is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance.

OPA2111KM Applications

The OPA2111KM is well-suited for a variety of applications due to its versatile performance characteristics. Some specific use cases include:

• Signal Conditioning: Ideal for conditioning and amplifying weak signals in industrial sensors and instrumentation.
• Audio Processing: Its low noise and low input bias current make it suitable for high-fidelity audio applications, ensuring minimal signal degradation.
• Precision Measurement: The low input offset voltage and high gain bandwidth product are beneficial for precision measurement equipment.
• Industrial Control Systems: The wide operating temperature range and robust design make it suitable for industrial control systems where reliability is critical.
• Medical Equipment: The OPA2111KM can be used in medical devices requiring high accuracy and reliability, such as patient monitoring equipment.

Conclusion of OPA2111KM

The OPA2111KM from Texas Instruments is a versatile and reliable general-purpose operational amplifier, offering a wide range of features that make it suitable for various applications. Its wide supply voltage range, high gain bandwidth product, and low input bias current ensure high performance and accuracy. The dual-channel design and through-hole mounting type provide flexibility and ease of integration into different systems. Despite being marked as obsolete, the OPA2111KM remains a robust choice for applications requiring high performance and reliability. Its compliance with environmental and safety standards further enhances its suitability for modern electronics applications.