STMicroelectronics

LM193YDT

LM193YDT Description

The LM193YDT is a general-purpose comparator designed by STMicroelectronics, a leading manufacturer in the semiconductor industry. This IC is housed in an 8-pin SOIC package, making it suitable for surface-mount applications. Despite being marked as obsolete, the LM193YDT remains a reliable choice for various electronic designs due to its robust performance and compliance with industry standards such as REACH and ROHS3.

LM193YDT Features

• Output Current: The LM193YDT can deliver a typical output current of 16mA at 5V, ensuring it can drive a variety of loads efficiently.
• Quiescent Current: With a maximum quiescent current of 2.5mA, this comparator is designed for low power consumption, making it ideal for battery-operated or energy-sensitive applications.
• Input Bias Current: The maximum input bias current is as low as 0.25µA at 5V, which minimizes the loading effect on the input signal sources.
• Input Offset Voltage: The maximum input offset voltage is 5mV at 30V, ensuring high accuracy and reliability in signal comparison tasks.
• Supply Voltage Range: The LM193YDT operates over a wide supply voltage range of 2V to 36V for single supply and ±1V to ±18V for dual supply, providing flexibility in various power configurations.
• Moisture Sensitivity Level: Classified as MSL 1 (Unlimited), this comparator is suitable for a wide range of environmental conditions without requiring special handling during assembly.
• Packaging: Available in a Tape & Reel (TR) package, it is optimized for automated assembly processes, ensuring high production efficiency and reliability.

LM193YDT Applications

The LM193YDT is well-suited for general-purpose applications where reliable signal comparison is required. Its wide operating voltage range and low power consumption make it ideal for:

• Battery Management Systems: The low quiescent current and wide voltage range make it suitable for monitoring battery levels in portable devices.
• Signal Processing: The low input bias current and offset voltage ensure accurate signal comparison in analog signal processing circuits.
• Power Supply Monitoring: The comparator can be used to monitor and control power supply voltages, ensuring they remain within specified limits.
• Automotive Electronics: The robustness and compliance with industry standards make it suitable for automotive applications where reliability and environmental resistance are critical.

Conclusion of LM193YDT

The LM193YDT, despite being marked as obsolete, remains a valuable component for designers seeking a reliable and versatile comparator. Its low power consumption, wide operating voltage range, and high accuracy make it suitable for a variety of applications, from battery management to signal processing. The compliance with REACH and ROHS3 standards ensures that it meets environmental and safety requirements. For applications requiring a general-purpose comparator with proven performance, the LM193YDT is an excellent choice.