LMV7271MGX

Overview

The LMV7271MGX is a single-channel analog comparator from Texas Instruments, housed in an SC-70-5 surface-mount package. It operates within a supply voltage range of 1.8 V to 5.5 V and draws a typical quiescent current of 9 µA per channel. The device features rail-to-rail input capability and a push-pull output stage capable of sourcing or sinking up to 34 mA. Key electrical specifications include a propagation delay of 1.8 µs, an input offset voltage of 4 mV, and an input bias current of 10 nA. It maintains a common-mode rejection ratio of 46 dB and a power supply rejection ratio of 55 dB, functioning reliably across a temperature range of -40°C to +85°C.

Feature Summary

• Rail-to-rail input stage enables accurate signal comparison near supply rails.
• Push-pull output architecture supports direct driving of digital loads with low power consumption.
• Low quiescent current design optimizes battery life in portable applications.

Applications

• Battery-powered consumer electronics
• Threshold detection circuits
• Level shifting interfaces

Procurement Notes

Verify the complete part number includes the suffix /NOPB for lead-free compliance when ordering. Confirm the specific reel quantity matches your production requirements. Ensure the SC-70-5 footprint aligns with your PCB layout guidelines. Cross-reference the manufacturer's latest datasheet for any updates to mechanical dimensions or thermal characteristics before finalizing procurement.

Selection Notes

Select this component for designs requiring minimal board space and ultra-low power consumption. The push-pull output is suitable for driving CMOS or TTL inputs directly without additional pull-up resistors. Consider the 1.8 V minimum supply voltage constraint for compatibility with modern low-voltage logic families. Evaluate the 4 mV offset voltage against your required accuracy thresholds.

Part Context

This device belongs to the LMV727x family of rail-to-rail input comparators. The family includes dual (LMV7272) and open-drain output (LMV7275) variants. All members share similar low-power characteristics and are fabricated using a submicron silicon-gate BiCMOS process. The LMV7271 specifically provides a single channel with a robust push-pull output stage.

Replacement Considerations

The LMV7271MFX/NOPB is a documented substitute offering identical electrical performance in a different package configuration. Verify pinout compatibility and thermal management requirements when transitioning between SC-70-5 and alternative footprints.