onsemi

KA1458

KA1458 Description

The KA1458 is a general-purpose operational amplifier (op-amp) designed by onsemi, a leading manufacturer in the electronics industry. This linear IC chip is housed in an 8-pin DIP package and features a through-hole mounting type, making it suitable for a wide range of applications. The KA1458 is designed to operate within a supply voltage range of 36 V, with a maximum supply voltage span of 36 V and a minimum supply voltage span of 36 V. It is capable of handling a supply current of 2.3 mA across its two channels, ensuring efficient power usage.

The KA1458 boasts a slew rate of 0.5 V/µs, which is essential for maintaining signal integrity in high-frequency applications. It also features a low input bias current of 80 nA and an input offset voltage of 2 mV, which contribute to its high precision and stability. The amplifier can deliver an output current of 20 mA per channel, making it suitable for driving various loads.

KA1458 Features

• Supply Voltage Range: The KA1458 operates within a supply voltage range of 36 V, making it suitable for applications requiring a stable power supply.
• Low Input Bias Current: With an input bias current of only 80 nA, the KA1458 minimizes the impact of input currents on the overall circuit performance.
• High Slew Rate: The 0.5 V/µs slew rate ensures that the KA1458 can handle high-frequency signals without distortion.
• Low Input Offset Voltage: The 2 mV input offset voltage contributes to the high precision of the amplifier, making it ideal for applications requiring accurate signal processing.
• Dual Channel Design: The KA1458 features two independent channels, each capable of delivering 20 mA of output current, providing flexibility in circuit design.
• Through-Hole Mounting: The through-hole mounting type ensures robust mechanical stability and ease of installation on printed circuit boards.
• General-Purpose Amplifier: As a general-purpose op-amp, the KA1458 is versatile and can be used in a variety of applications, from simple signal conditioning to more complex analog circuits.

KA1458 Applications

The KA1458 is well-suited for a variety of applications due to its general-purpose design and robust performance characteristics. Some specific use cases include:

• Signal Conditioning: The KA1458 can be used to amplify, buffer, and filter analog signals in various electronic systems.
• Audio Amplification: Its low input bias current and high slew rate make it suitable for audio applications where signal fidelity is crucial.
• Instrumentation: The KA1458 can be employed in precision measurement equipment, where low input offset voltage and high precision are required.
• Power Management: The dual-channel design allows for efficient power management in systems requiring multiple amplification stages.
• Consumer Electronics: The KA1458 can be used in consumer electronics for signal processing and amplification tasks.

Conclusion of KA1458

The KA1458 is a versatile and robust general-purpose operational amplifier designed by onsemi. Its key features, such as a high slew rate, low input bias current, and low input offset voltage, make it an excellent choice for a wide range of applications. The dual-channel design and through-hole mounting type further enhance its flexibility and ease of use. While the KA1458 is now considered obsolete, it remains a reliable option for designers looking for a general-purpose op-amp with proven performance characteristics.