Texas Instruments

LM111WG/883

LM111WG/883 Description

The LM111WG/883 is a high-performance voltage comparator from Texas Instruments, designed for a wide range of general-purpose applications. This device is part of the LM111 series and offers exceptional performance characteristics that make it suitable for various electronic systems. The LM111WG/883 is designed to operate with a supply voltage range of 5V to 30V for single supply and ±2.5V to ±15V for dual supply, providing flexibility in power requirements. It features a maximum input offset voltage of 3mV at ±15V, ensuring precise voltage comparison. The device also boasts a high common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR) of at least 80dB, minimizing the impact of noise and supply variations on its performance.

LM111WG/883 Features

• High CMRR and PSRR: With a minimum CMRR and PSRR of 80dB, the LM111WG/883 effectively rejects common-mode and power supply noise, ensuring accurate and reliable voltage comparison even in noisy environments.
• Fast Propagation Delay: The typical propagation delay of 200ns allows for rapid response times, making it suitable for applications requiring quick decision-making based on voltage levels.
• Low Input Bias Current: The maximum input bias current of 0.1µA at ±15V ensures minimal loading on the input signal sources, preserving signal integrity.
• Low Quiescent Current: With a maximum quiescent current of 5mA to 6mA, the LM111WG/883 is energy-efficient, making it ideal for applications where power consumption is a concern.
• Surface Mount Technology: The surface mount package type facilitates easy integration into modern printed circuit boards (PCBs), enhancing reliability and reducing assembly costs.
• Wide Operating Temperature Range: The LM111WG/883 is specified to operate over a wide temperature range of -55°C to 125°C, making it suitable for industrial and automotive applications where extreme temperatures are common.
• RoHS3 Compliant: The device meets the stringent environmental standards of RoHS3, ensuring it is free from hazardous substances and suitable for environmentally conscious designs.
• Moisture Sensitivity Level 1: With an MSL of 1, the LM111WG/883 is classified as unlimited, meaning it can be stored and handled without the need for special moisture protection, simplifying logistics and storage.

LM111WG/883 Applications

The LM111WG/883 is versatile and finds applications in a variety of electronic systems, including:

• Signal Processing: Used in analog signal processing circuits to compare voltage levels and make decisions based on the input signals.
• Power Management: Ideal for power supply monitoring and control applications where precise voltage comparison is required to ensure stable operation.
• Automotive Electronics: Suitable for automotive applications due to its wide operating temperature range and robust performance characteristics.
• Industrial Control Systems: Used in industrial automation and control systems where reliability and accuracy are critical.
• Medical Equipment: Employed in medical devices where precise voltage monitoring and control are essential for safe and effective operation.

Conclusion of LM111WG/883

The LM111WG/883 from Texas Instruments is a robust and versatile voltage comparator that offers high performance and reliability. Its high CMRR and PSRR, fast propagation delay, low input bias current, and low quiescent current make it an excellent choice for a wide range of applications. The device's surface mount package, wide operating temperature range, and RoHS3 compliance further enhance its suitability for modern electronic designs. Whether used in signal processing, power management, automotive electronics, industrial control systems, or medical equipment, the LM111WG/883 delivers consistent and accurate performance, making it a reliable component in any design.