Texas Instruments

TLC339IDRG4

TLC339IDRG4 Description

The TLC339IDRG4 is a general-purpose comparator from Texas Instruments, featuring a LinCMOS™ series design. This IC is housed in a 14-pin SOIC package and is designed for surface-mount applications. It consists of four independent comparators, making it suitable for a variety of applications requiring multiple comparison functions. The TLC339IDRG4 operates over a wide supply voltage range of 3V to 16V, providing flexibility in power supply requirements. Despite its obsolescence, it remains a reliable choice for legacy systems and specific applications where its unique features are advantageous.

TLC339IDRG4 Features

• High CMRR and PSRR: The TLC339IDRG4 boasts a typical common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR) of 84dB, ensuring high accuracy and stability in signal comparison.
• Low Quiescent Current: With a maximum quiescent current of 125µA, this comparator is energy-efficient, making it suitable for low-power applications.
• Low Input Bias Current: The maximum input bias current is only 5pA at 5V, which minimizes the loading effect on the input signal sources.
• Low Input Offset Voltage: A maximum input offset voltage of 5mV at 10V ensures precise comparisons, even with small signal differences.
• High Output Current: The comparator can source up to 20mA of output current, allowing it to drive various loads effectively.
• Fast Propagation Delay: With a maximum propagation delay of 4.5µs, the TLC339IDRG4 can handle high-speed comparison tasks efficiently.
• Wide Operating Voltage Range: The ability to operate from 3V to 16V makes it versatile for different power supply configurations.
• Moisture Sensitivity Level (MSL): Rated at MSL 1 (Unlimited), the TLC339IDRG4 is suitable for use in environments with varying humidity levels without requiring special handling.
• Compliance and Packaging: The TLC339IDRG4 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It is available in a tape and reel (TR) package, facilitating automated assembly processes.

TLC339IDRG4 Applications

The TLC339IDRG4 is ideal for a range of applications where multiple comparison functions are required. Some specific use cases include:

• Signal Processing: Used in analog-to-digital converters (ADCs) and digital-to-analog converters (DACs) for precise signal level detection.
• Power Management: Ideal for voltage monitoring and threshold detection in power supply circuits.
• Control Systems: Suitable for feedback loops and control systems where multiple signals need to be compared for decision-making.
• Industrial Automation: Used in sensors and control systems for industrial applications, where high accuracy and reliability are crucial.
• Consumer Electronics: Employed in various consumer devices for signal comparison and control functions.

Conclusion of TLC339IDRG4

The TLC339IDRG4 from Texas Instruments is a versatile and reliable general-purpose comparator, despite its obsolescence. Its high CMRR and PSRR, low quiescent and input bias currents, and low input offset voltage make it ideal for precise signal comparison tasks. The ability to source significant output current and operate over a wide voltage range further enhances its flexibility. While newer models may offer additional features, the TLC339IDRG4 remains a robust choice for legacy systems and specific applications where its unique features are advantageous. Its compliance with environmental and safety standards ensures it meets modern manufacturing requirements.