Texas Instruments

TLC339CD

TLC339CD Description

The TLC339CD is a general-purpose comparator from Texas Instruments, featuring four independent comparators in a single package. This LinCMOS™ series IC is designed for a wide range of applications requiring high performance and reliability. The TLC339CD operates within a supply voltage range of 3V to 16V and offers a maximum quiescent current of 100µA, making it suitable for low-power applications. With a typical output current of 20mA, this comparator can drive various loads efficiently. The device also boasts a high common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR) of 84dB, ensuring stable performance across varying input conditions. The TLC339CD is housed in a surface-mount 14SOIC package, making it ideal for compact and space-constrained designs. Despite being marked as obsolete, the TLC339CD remains a reliable choice for many applications due to its robust performance and compliance with industry standards such as REACH and ROHS3.

TLC339CD Features

• High CMRR and PSRR: The TLC339CD features a typical CMRR and PSRR of 84dB, ensuring minimal interference from common-mode signals and power supply variations.
• Low Quiescent Current: With a maximum quiescent current of 100µA, the TLC339CD is well-suited for low-power applications, conserving energy and extending battery life.
• High Output Current: The device can deliver a typical output current of 20mA, capable of driving a variety of loads effectively.
• Wide Operating Voltage Range: The TLC339CD operates within a supply voltage range of 3V to 16V, providing flexibility in power supply requirements.
• Low Input Offset Voltage: A maximum input offset voltage of 5mV at 10V ensures accurate and reliable comparisons.
• Low Input Bias Current: With a maximum input bias current of 5pA at 5V, the TLC339CD minimizes errors in sensitive applications.
• Surface-Mount Packaging: The 14SOIC package is ideal for surface-mount technology (SMT), enabling compact and efficient PCB designs.
• Compliance: The TLC339CD is REACH unaffected and ROHS3 compliant, meeting environmental and regulatory standards.

TLC339CD Applications

The TLC339CD is a versatile comparator suitable for a wide range of applications, including:

• Signal Processing: Ideal for amplifying and processing analog signals in various electronic systems.
• Threshold Detection: Used in circuits requiring precise voltage level detection and switching.
• Window Comparators: Can be configured to monitor and control signals within a specific voltage range.
• Power Management: Effective in managing power supply levels and ensuring stable operation in power-sensitive applications.
• Automotive Electronics: Suitable for automotive applications where reliability and performance are critical.
• Industrial Control: Used in industrial automation and control systems for monitoring and regulating processes.

Conclusion of TLC339CD

The TLC339CD is a robust and reliable general-purpose comparator that offers high performance and flexibility. Its low quiescent current, high output current, and wide operating voltage range make it suitable for a variety of applications, from signal processing to power management. The device's high CMRR and PSRR ensure stable performance, while its low input offset and bias currents provide accurate comparisons. Despite being marked as obsolete, the TLC339CD remains a valuable component for designers seeking a dependable and efficient comparator solution. Its compliance with industry standards and surface-mount packaging further enhance its appeal for modern electronic designs.