LMV7255M7X

Overview

The LMV7255M7X is a high-speed, low-power voltage feedback operational amplifier manufactured by National Semiconductor. It features a gain-bandwidth product of 10 MHz and a slew rate of 6 V/µs, designed for applications requiring fast transient response with minimal power consumption. The device operates from a single supply voltage ranging from 2.7 V to 5.5 V, making it suitable for battery-powered systems. It is housed in a compact SOT-23-5 package, facilitating space-constrained designs while maintaining signal integrity in analog processing tasks.

Feature Summary

• High-speed performance with 10 MHz gain-bandwidth product
• Low power consumption optimized for portable devices
• Single-supply operation capability from 2.7 V to 5.5 V
• Compact SOT-23-5 surface-mount packaging

Applications

• Portable medical equipment signal conditioning
• Battery-operated instrumentation amplifiers
• Video buffering and active filtering circuits
• Sensor interface circuits in mobile devices

Procurement Notes

Verify the manufacturer origin as National Semiconductor, now part of Texas Instruments, to ensure authenticity. Confirm the suffix M7X corresponds to the correct tape-and-reel quantity and packaging variant. Check for RoHS compliance status if required by specific regional regulations. Ensure the component date code aligns with current production standards to avoid obsolete stock issues during integration.

Selection Notes

Select this op-amp when a balance between speed and power efficiency is critical. The 10 MHz bandwidth supports moderate-frequency signal processing without excessive noise. Its single-supply operation simplifies power design in systems lacking negative rails. Consider the SOT-23-5 package size for PCB layout constraints. Compare input offset voltage specifications against application tolerance requirements before finalizing the choice.

Part Context

The LMV7255 belongs to the LMV series of low-voltage, low-power operational amplifiers. This family is engineered for modern electronic systems requiring efficient power usage alongside adequate performance. The M7X designation indicates a specific reel packaging format used for automated assembly processes. Understanding its position within the broader LMV lineup helps in identifying compatible pin-outs and electrical characteristics across similar components.

Replacement Considerations

Direct replacements may include other LMV series amplifiers with similar bandwidth and supply voltage ranges. Verify pin compatibility and electrical parameters such as slew rate and input bias current. Cross-reference with Texas Instruments documentation for updated equivalents if National Semiconductor branding is no longer active. Ensure thermal and mechanical fit within the existing footprint.