onsemi

KA393ADTF

KA393ADTF Description

The KA393ADTF is a general-purpose comparator IC from onsemi, featuring a dual-element design in an 8-pin SOIC package. This device is designed for a wide range of applications requiring precise voltage comparison and control. The KA393ADTF operates within a supply voltage range of 2V to 36V for single supply and ±1V to ±18V for dual supply, making it highly versatile for various electronic systems. It offers a maximum input offset voltage of 2mV at 5V, ensuring accurate comparisons with minimal error. The device also features a low quiescent current of up to 2.5mA and an input bias current of up to 0.25µA at 5V, contributing to its energy efficiency. The KA393ADTF is suitable for surface-mount applications and is packaged in tape and reel format, facilitating automated assembly processes. It is REACH unaffected and RoHS3 compliant, adhering to environmental and safety standards. Despite being marked as obsolete, the KA393ADTF remains a reliable choice for legacy systems and specific applications requiring its unique specifications.

KA393ADTF Features

• Dual Comparator Elements: The KA393ADTF includes two independent comparator elements, allowing for simultaneous voltage comparisons in a single package.
• Wide Operating Voltage Range: With a supply voltage range of 2V to 36V for single supply and ±1V to ±18V for dual supply, this IC is suitable for a variety of power supply configurations.
• Low Input Offset Voltage: A maximum input offset voltage of 2mV at 5V ensures high accuracy in voltage comparisons, making it ideal for precision applications.
• Low Quiescent Current: The device consumes a maximum of 2.5mA in quiescent state, contributing to energy efficiency, particularly in battery-powered or low-power systems.
• Low Input Bias Current: An input bias current of up to 0.25µA at 5V minimizes the impact on the input signal source, ensuring reliable performance.
• Surface-Mount Compatibility: The 8-pin SOIC package is suitable for surface-mount technology (SMT), facilitating automated assembly and compact design.
• Environmental Compliance: The KA393ADTF is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level 1: The device is rated for unlimited exposure to moisture, enhancing its reliability in various environmental conditions.
• Operating Temperature Range: The KA393ADTF operates reliably within a temperature range of 0°C to 70°C, making it suitable for a broad range of ambient conditions.

KA393ADTF Applications

The KA393ADTF is ideal for applications requiring precise voltage comparison and control. Some specific use cases include:

• Power Supply Monitoring: The dual comparator elements can be used to monitor and control power supply voltages, ensuring they remain within specified limits.
• Signal Processing: In signal conditioning circuits, the KA393ADTF can be used to compare input signals against reference levels, enabling threshold detection and control.
• Battery Management: The low quiescent current and wide operating voltage range make it suitable for battery-powered devices, where it can monitor battery voltage levels to prevent overcharge or undercharge conditions.
• Automotive Electronics: The device's wide operating temperature range and moisture sensitivity level 1 rating make it suitable for automotive applications, where it can be used for various control and monitoring functions.
• Industrial Control Systems: The KA393ADTF can be employed in industrial automation for monitoring and controlling process variables, ensuring they stay within desired operating ranges.

Conclusion of KA393ADTF

The KA393ADTF from onsemi is a versatile and reliable general-purpose comparator IC, offering dual comparator elements in a compact 8-pin SOIC package. Its wide operating voltage range, low input offset voltage, and low quiescent current make it suitable for a variety of applications, including power supply monitoring, signal processing, battery management, automotive electronics, and industrial control systems. Despite being marked as obsolete, the KA393ADTF remains a valuable component for legacy systems and specific applications requiring its unique specifications. Its environmental compliance and surface-mount compatibility further enhance its appeal for modern electronic designs.