TLC339MD Description
The TLC339MD is a general-purpose linear 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 is part of the TLC339 family and offers a range of technical specifications that make it suitable for various electronic applications. The TLC339MD operates within a supply voltage range of 4V to 16V and provides a maximum quiescent current of 175µA. It supports a maximum input bias current of 5pA at 5V and an input offset voltage of up to 5mV at 10V. The comparator is capable of delivering a typical output current of 20mA and features a propagation delay of up to 4.5µs. The TLC339MD also boasts a high common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR) of 84dB, ensuring stable performance under varying conditions. The device is RoHS3 compliant and REACH unaffected, making it suitable for environmentally conscious designs. Despite its obsolescence, the TLC339MD remains a reliable choice for applications requiring a robust and versatile comparator.
TLC339MD Features
- High CMRR and PSRR: The TLC339MD offers a typical CMRR and PSRR of 84dB, ensuring high accuracy and stability in the presence of noise and power supply variations.
- Low Quiescent Current: With a maximum quiescent current of 175µA, the TLC339MD is energy-efficient, making it suitable for low-power applications.
- Fast Propagation Delay: The maximum propagation delay of 4.5µs allows for quick response times, essential for applications requiring rapid signal processing.
- Wide Supply Voltage Range: The device operates within a supply voltage range of 4V to 16V, providing flexibility in power supply requirements.
- Low Input Bias Current: A maximum input bias current of 5pA at 5V ensures minimal loading on the input signal source.
- General-Purpose Design: As a general-purpose comparator, the TLC339MD is versatile and can be used in a variety of applications, from simple threshold detection to complex signal processing circuits.
- Surface Mount Package: The 14-pin SOIC package is ideal for surface mount technology, enabling compact and reliable PCB designs.
- Environmental Compliance: The TLC339MD is RoHS3 compliant and REACH unaffected, making it suitable for environmentally conscious applications.
TLC339MD Applications
The TLC339MD is well-suited for a variety of applications where general-purpose comparator functionality is required. Some specific use cases include:
- Signal Processing: Ideal for applications requiring fast and accurate signal processing, such as in audio and video equipment.
- Threshold Detection: Useful in systems where precise threshold detection is necessary, such as in sensor interfaces and control systems.
- Power Management: The low quiescent current and wide supply voltage range make it suitable for power management circuits in battery-operated devices.
- Data Conversion: Can be used in analog-to-digital converters (ADCs) and digital-to-analog converters (DACs) for signal conditioning and comparison tasks.
- Industrial Control: The robust design and high CMRR make it suitable for industrial control systems where noise immunity is critical.
Conclusion of TLC339MD
The TLC339MD is a versatile and reliable general-purpose linear comparator from Texas Instruments. Its high CMRR and PSRR, low quiescent current, and fast propagation delay make it an excellent choice for a wide range of applications. Despite being marked as obsolete, its technical specifications and environmental compliance ensure that it remains a viable option for designers seeking a robust and efficient comparator solution. The TLC339MD's surface mount package and wide supply voltage range further enhance its suitability for modern electronic designs.