onsemi

KA258

KA258 Description

The KA258 is a general-purpose operational amplifier (op amp) designed by onsemi. This IC is housed in an 8-pin DIP package and features a dual-circuit configuration, making it suitable for a wide range of applications requiring high performance and reliability. Despite being an obsolete product, the KA258 still holds significant value for specific use cases due to its robust design and versatile specifications.

KA258 Features

• Supply Voltage Range: The KA258 operates within a wide supply voltage range of 3 V to 32 V, providing flexibility for various power supply configurations.
• Low Supply Current: With a supply current of only 800 µA, the KA258 is energy-efficient, making it suitable for low-power applications.
• Low Input Bias Current: The input bias current is as low as 45 nA, which minimizes the impact of input currents on the overall circuit performance.
• Low Input Offset Voltage: The input offset voltage is 2.9 mV, ensuring high accuracy and stability in signal processing.
• High Output Current: Each channel can deliver up to 30 mA of output current, allowing the KA258 to drive a variety of loads effectively.
• Through Hole Mounting: The through-hole mounting type ensures secure and reliable mechanical attachment to the PCB, suitable for industrial and high-reliability applications.
• Moisture Sensitivity Level (MSL): With an MSL of 1 (Unlimited), the KA258 is not sensitive to moisture, making it suitable for a wide range of environmental conditions.
• Compliance and Standards: The KA258 is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations and standards.

KA258 Applications

The KA258 is ideal for applications requiring high performance and reliability in signal processing. Its wide supply voltage range and low power consumption make it suitable for battery-powered devices and portable electronics. The low input bias current and offset voltage ensure high accuracy in precision signal conditioning and amplification tasks. Specific use cases include:

• Analog Signal Processing: Ideal for amplifying and conditioning analog signals in industrial control systems, medical equipment, and instrumentation.
• Audio Applications: Suitable for preamplifiers and audio signal processing circuits due to its low noise and distortion characteristics.
• Sensor Interfaces: Can be used to interface with various sensors, amplifying weak signals while maintaining high accuracy and stability.
• Power Management: The KA258's ability to drive loads with high output current makes it suitable for power management circuits and voltage regulators.

Conclusion of KA258

The KA258, despite being an obsolete product, remains a valuable component for specific applications due to its robust design and versatile specifications. Its wide supply voltage range, low power consumption, and high accuracy make it suitable for a variety of high-performance applications. The KA258's dual-circuit configuration and through-hole mounting ensure reliability and ease of integration into existing systems. While newer models may offer advanced features, the KA258 continues to provide reliable performance in applications where its unique attributes are required.