onsemi

KA4558

KA4558 Description

The KA4558 is a general-purpose operational amplifier (op-amp) designed by onsemi, featuring a dual-channel configuration in an 8-pin DIP package. This op-amp is designed for a wide range of analog signal processing applications, offering robust performance and reliability. The KA4558 operates within a supply voltage range of 44 V, with a maximum supply current of 3.5 mA per channel. It is suitable for applications requiring a wide operating temperature range of 0°C to 70°C. The op-amp's slew rate of 1.2 V/µs ensures fast response times, making it ideal for applications demanding high-speed signal processing.

KA4558 Features

• Supply Voltage Range: The KA4558 supports a wide supply voltage range of 44 V, providing flexibility in power supply design.
• Operating Temperature: With an operating temperature range of 0°C to 70°C, the KA4558 is suitable for various industrial and commercial applications.
• Slew Rate: The 1.2 V/µs slew rate ensures that the op-amp can handle high-frequency signals without significant distortion.
• Low Input Bias Current: The low input bias current of 30 nA minimizes the loading effect on the input signal source, preserving signal integrity.
• Low Input Offset Voltage: The 2 mV input offset voltage ensures accurate signal processing and minimizes errors in precision applications.
• Dual Channel Configuration: The KA4558 features two independent operational amplifier circuits, allowing for multiple signal processing tasks within a single package.
• Through Hole Mounting: The through-hole mounting type provides a robust mechanical connection, suitable for applications requiring high reliability.
• Compliance and Standards: The KA4558 is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL rating of 1 (unlimited), the KA4558 is suitable for storage and handling in various environmental conditions.

KA4558 Applications

The KA4558 is well-suited for a variety of applications due to its general-purpose design and robust performance characteristics. Some specific use cases include:

• Signal Amplification: The KA4558 can be used to amplify weak signals in sensor applications, ensuring that the output signal is strong enough for further processing or transmission.
• Filter Design: Its high slew rate and low input offset voltage make it ideal for designing active filters, where precise signal shaping is required.
• Voltage Followers: The low input bias current and low input offset voltage make the KA4558 suitable for voltage follower configurations, providing a high-impedance buffer between stages.
• Precision Signal Processing: The KA4558's low input offset voltage and low input bias current make it suitable for precision applications where signal accuracy is critical.
• Audio Applications: The dual-channel configuration and high slew rate make the KA4558 suitable for audio processing applications, such as preamplifiers and tone controls.

Conclusion of KA4558

The KA4558 is a versatile general-purpose operational amplifier that offers a wide range of features and benefits suitable for various analog signal processing applications. Its wide supply voltage range, low input bias current, and low input offset voltage make it an ideal choice for precision applications. The dual-channel configuration and high slew rate provide flexibility and performance, making it suitable for a variety of use cases, including signal amplification, filter design, and audio processing. While the KA4558 is now considered obsolete, its robust design and compliance with industry standards ensure that it remains a reliable choice for legacy systems and applications requiring a general-purpose op-amp.