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KA339D

KA339D Description

The KA339D is a general-purpose linear comparator IC designed by Fairchild Semiconductor, now part of onsemi. This 4-element comparator is housed in a 14SOP package, making it suitable for surface-mount applications. Despite its obsolete status, the KA339D remains a reliable choice for various electronic circuits due to its robust performance and wide operating range.

KA339D Features

• Operating Temperature: The KA339D operates within a temperature range of 0°C to 70°C, ensuring stability and reliability in a variety of ambient conditions.
• Supply Voltage: It supports a wide supply voltage range of 2V to 36V for single supply and ±1V to ±18V for dual supply, making it versatile for different power configurations.
• Output Current: With a typical output current of 18mA at 5V, the KA339D can drive moderate loads efficiently.
• Input Offset Voltage: The maximum input offset voltage is 5mV at 5V, ensuring high accuracy in signal comparison.
• Input Bias Current: The maximum input bias current is 0.25µA at 5V, contributing to low power consumption and high input impedance.
• Quiescent Current: The maximum quiescent current is 2.5mA, which helps in minimizing power usage during idle conditions.
• Packaging: The KA339D comes in a tube package, facilitating easy handling and storage in manufacturing environments.
• Compliance: It is ROHS3 compliant, meeting environmental standards for restricted hazardous substances.
• Customs Classification: The HTSUS code is 8542.39.0001, aiding in customs and import/export processes.

KA339D Applications

The KA339D is ideal for a range of applications due to its general-purpose design and robust performance:

• Signal Processing: Its low input offset voltage and bias current make it suitable for precision signal processing in analog circuits.
• Control Systems: The wide operating voltage range and moderate output current capability allow it to be used in various control systems, including motor control and power management.
• Data Acquisition: The KA339D can be employed in data acquisition systems where accurate signal comparison is required.
• Consumer Electronics: Its surface-mount packaging and wide operating temperature range make it suitable for consumer electronics where space and reliability are critical.

Conclusion of KA339D

The KA339D, despite being obsolete, remains a valuable component for engineers and designers in the electronics industry. Its wide operating voltage range, low input offset voltage, and moderate output current capability make it a versatile choice for a variety of applications. The surface-mount packaging and ROHS3 compliance further enhance its appeal for modern manufacturing processes. While newer models may offer advanced features, the KA339D continues to provide reliable performance and is well-suited for applications where its specific attributes are required.