Texas Instruments

LMV7291MGX  

Linear Comparators

LMV7291MGX Description

The LMV7291MGX is a general-purpose comparator from Texas Instruments, designed for a wide range of applications requiring high performance and low power consumption. This comparator is housed in a SC70-5 package, making it suitable for surface-mount applications. It operates on a single supply voltage ranging from 1.8V to 5V or dual supplies of ±0.9V to ±2.5V, providing flexibility in power supply options.

LMV7291MGX Features

• High Common-Mode Rejection Ratio (CMRR) and Power Supply Rejection Ratio (PSRR): The LMV7291MGX boasts a typical CMRR of 78dB and PSRR of 80dB, ensuring high accuracy and stability in the presence of noise and power supply variations.
• Low Quiescent Current: With a maximum quiescent current of only 14µA, this comparator is ideal for low-power applications, making it suitable for battery-operated devices and portable electronics.
• Low Input Bias Current: The maximum input bias current of 0.01µA @ 5V ensures minimal loading on the input signal sources, preserving signal integrity.
• Low Input Offset Voltage: A maximum input offset voltage of 4mV @ 5V guarantees precise comparisons, even in applications with small signal differences.
• Fast Propagation Delay: The maximum propagation delay of 1.8µs allows for rapid response times, making it suitable for high-speed signal processing and control applications.
• Moisture Sensitivity Level (MSL): The MSL rating of 1 (Unlimited) indicates that the device is not moisture-sensitive, simplifying handling and storage requirements.
• Compliance: The LMV7291MGX is REACH unaffected, ensuring compliance with environmental regulations.

LMV7291MGX Applications

The LMV7291MGX is well-suited for a variety of applications due to its versatile design and performance characteristics. Some specific use cases include:

• Battery Management Systems: The low quiescent current and wide operating voltage range make it ideal for monitoring battery levels in portable devices.
• Signal Processing: The fast propagation delay and low input offset voltage are beneficial in applications requiring high-speed signal processing, such as in communication systems and data acquisition.
• Control Circuits: The comparator's high CMRR and PSRR ensure reliable operation in control circuits, providing accurate feedback for precise control.
• Automotive Electronics: The robustness and wide operating voltage range make it suitable for automotive applications where power supply variations are common.

Conclusion of LMV7291MGX

The LMV7291MGX from Texas Instruments is a versatile and high-performance general-purpose comparator, offering a combination of low power consumption, high accuracy, and fast response times. Its wide operating voltage range and robust design make it suitable for a variety of applications, from battery management to high-speed signal processing. While the product is currently marked as obsolete, it remains a reliable choice for engineers looking to integrate a high-performance comparator into their designs.

LMV7291MGX Documents

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LMV7291      

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LMV7291