onsemi

KA258AD

KA258AD Description

The KA258AD is a general-purpose operational amplifier (op-amp) designed for a wide range of applications. Manufactured by onsemi, this IC is part of the Linear Amplifiers category and is housed in an 8SOIC package. The KA258AD features a dual-circuit configuration, providing flexibility for various electronic designs. Despite being marked as obsolete, it remains a reliable choice for certain applications due to its robust performance and established track record.

KA258AD Features

• Supply Voltage Range: The KA258AD operates within a wide supply voltage range of 3 V to 32 V, making it suitable for both low-voltage and high-voltage applications.
• Low Current Consumption: With a supply current of only 800µA, this op-amp is ideal for battery-powered and energy-efficient systems.
• High Input Impedance: The low input bias current of 40 nA ensures minimal loading on the input signal source, preserving signal integrity.
• Low Input Offset Voltage: An input offset voltage of 1 mV guarantees high accuracy and stability in signal processing.
• Dual-Circuit Configuration: The KA258AD features two independent op-amp circuits, allowing for versatile design options such as differential amplification or multiple signal paths.
• High Output Current: Each channel can deliver up to 30 mA of output current, enabling the op-amp to drive moderate loads directly.
• Surface Mount Technology: The surface mount package type facilitates easy integration into modern printed circuit boards (PCBs) and supports automated assembly processes.
• REACH Compliance: KA The258AD is REACH unaffected, ensuring compliance with environmental and safety regulations.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the KA258AD is suitable for storage and handling in various environmental conditions.

KA258AD Applications

The KA258AD is well-suited for a variety of applications due to its general-purpose nature and robust performance. Some specific use cases include:

• Signal Conditioning: Ideal for amplifying and conditioning weak signals in sensors, transducers, and analog signal processing circuits.
• Audio Amplification: Suitable for low-power audio applications, such as headphone amplifiers or small speaker systems, due to its low distortion and wide bandwidth.
• Power Supply Control: Can be used in voltage regulators and power supply circuits to provide stable and accurate voltage control.
• Instrumentation: Useful in precision measurement equipment where high input impedance and low offset voltage are critical.
• Consumer Electronics: Applicable in a range of consumer devices requiring reliable and efficient signal processing.

Conclusion of KA258AD

The KA258AD, despite its obsolete status, remains a valuable component in the electronics industry. Its wide supply voltage range, low current consumption, and high input impedance make it a versatile and efficient choice for various applications. The dual-circuit configuration and high output current further enhance its flexibility and usability. While newer models may offer advanced features, the KA258AD continues to provide reliable performance and is particularly well-suited for applications requiring low power consumption and high signal integrity.