Texas Instruments

LMV7235M7X  

Linear Comparators

LMV7235M7X Description

The LMV7235M7X is a general-purpose comparator designed for a wide range of applications requiring precise voltage comparison. Manufactured by Texas Instruments, this device is part of the Linear Comparators category and is known for its robust performance and reliability. Despite being marked as obsolete, the LMV7235M7X remains a valuable component for many existing designs and systems.

LMV7235M7X Features

• High CM andRR PSRR: The LMV7235M7X boasts a common-mode rejection ratio (CMRR) of 67dB and a power supply rejection ratio (PSRR) of 85dB. These high values ensure minimal interference from power supply variations and common-mode signals, making it ideal for applications where signal integrity is critical.
• Low Quiescent Current: With a maximum quiescent current of only 95µA, the LMV7235M7X is highly efficient, making it suitable for low-power applications and battery-operated devices.
• Fast Propagation Delay: The maximum propagation delay of 62ns ensures rapid response times, which is crucial for applications requiring quick decision-making based on voltage comparisons.
• Wide Supply Voltage Range: The comparator operates over a wide supply voltage range of 2.7V to 5.5V, providing flexibility in system design and compatibility with various power supply configurations.
• Low Input Offset Voltage: The maximum input offset voltage of 6mV at 5V supply ensures high accuracy in voltage comparisons, making it suitable for precision applications.
• Low Input Bias Current: With a maximum input bias current of 0.4µA at 5V, the LMV7235M7X minimizes the impact of input currents on the overall system performance.
• Surface Mount Packaging: The LMV7235M7X is available in a surface mount package (Tape & Reel), which is ideal for automated assembly processes and compact designs.
• Moisture Sensitivity Level: The MSL rating of 1 (Unlimited) indicates that the device is not sensitive to moisture, making it suitable for a wide range of environmental conditions.
• REACH Compliance: The LMV7235M7X is REACH unaffected, ensuring compliance with environmental and safety regulations.

LMV7235M7X Applications

The LMV7235M7X is well-suited for a variety of applications due to its high performance and versatility. Some specific use cases include:

• Battery Management Systems: The low quiescent current and wide supply voltage range make it ideal for monitoring battery levels in portable devices.
• Signal Processing: The high CMRR and PSRR ensure accurate voltage comparisons in signal processing applications, such as in analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).
• Power Supply Monitoring: The fast propagation and delay low input offset voltage make it suitable for monitoring and controlling power supply voltages in various electronic systems.
• Automotive Applications: The robust performance and wide operating voltage range make it suitable for automotive applications where reliability and accuracy are paramount.
• Industrial Control Systems: The LMV7235M7X can be used in industrial control systems for precise voltage comparisons and decision-making processes.

Conclusion of LMV7235M7X

The LMV7235M7X is a versatile and high-performance comparator that offers significant advantages over similar models. Its low quiescent current, high CMRR and PSRR, and fast propagation delay make it suitable for a wide range of applications, from battery management to industrial control systems. Despite being marked as obsolete, the LMV7235M7X remains a reliable choice for designers looking for a general-purpose comparator with excellent performance characteristics.

LMV7235M7X Documents

Download datasheets and manufacturer documentation for LMV7235M7X

Datasheets :

LMV7235/39      

HTML Datasheet :

LMV7235/39