STMicroelectronics LMV393IST Low-Voltage Dual Voltage Comparator

The LMV393IST from STMicroelectronics is a high-performance, low-voltage dual voltage comparator designed for a wide range of applications requiring precision and low-power consumption. This integrated circuit is part of STMicroelectronics' LMV series and is specifically engineered to operate in low-voltage systems, making it an ideal choice for battery-operated devices, portable equipment, and other power-sensitive applications.

Key Features

• Low Voltage Operation: The LMV393IST operates from a supply voltage range of 2.7V to 5.5V, ensuring compatibility with a variety of low-voltage systems.
• Low Current Consumption: With a typical quiescent current of only 60 µA per comparator, this device is optimized for energy efficiency, which is critical for extending battery life in portable applications.
• High-Speed Response: The comparator boasts a fast propagation delay of typically 200 ns, providing quick response times for systems that require rapid signal processing.
• Input Common-Mode Range: The input common-mode range includes ground, allowing for direct sensing near ground without the need for level shifting.
• Output Stage: The push-pull output stage of the LMV393IST can drive loads directly without the need for an external pull-up resistor, simplifying design and reducing component count.
• Low Input Bias Current: The device features low input bias currents, which minimizes errors in high-impedance sensing applications.
• Temperature Range: The LMV393IST is designed to operate over the industrial temperature range of -40°C to +85°C, ensuring reliable performance in harsh environments.

Applications

The versatility of the LMV393IST makes it suitable for a wide array of applications. It is commonly used in:

• Battery-powered devices
• Portable and compact systems
• Window comparators
• Zero-crossing detectors
• Signal conditioning
• Relay drivers
• IR receivers

With its combination of low-voltage operation, low power consumption, and fast response time, the LMV393IST from STMicroelectronics is a reliable and efficient solution for designers looking to enhance the performance of their low-power and portable applications.