LMV7291MGX

Overview

The LMV7291MGX is a single-channel analog comparator from Texas Instruments, housed in an SC-70-5 surface-mount package. It operates on a supply voltage ranging from 1.8 V to 5 V with a typical quiescent current of 14 µA. Key electrical parameters include a response time of 1.8 µs, input offset voltage of 4 mV, and input bias current of 10 nA. The device features rail-to-rail inputs and push-pull outputs, offering a common-mode rejection ratio of 78 dB and power supply rejection ratio of 80 dB. It functions within a temperature range of -40°C to +85°C.

Feature Summary

• Single-channel general-purpose analog comparator design
• Rail-to-rail input capability for wide signal range
• Push-pull output stage configuration
• Low power consumption suitable for battery applications

Applications

• Battery-powered portable devices
• General purpose signal comparison circuits
• Threshold detection systems

Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to confirm package type and tape-and-reel specifications. Ensure the component matches the required operating temperature range and electrical characteristics for your circuit design. Cross-reference the manufacturer part number with authorized distributors to confirm authenticity and availability status before finalizing procurement plans.

Selection Notes

Select this component when a low-power, single-channel comparator with rail-to-rail inputs is required. Consider the 1.8 µs response time and 4 mV offset voltage for application speed and accuracy requirements. Verify that the SC-70-5 package fits the board layout constraints and that the 1.8 V to 5 V supply range aligns with the system power architecture.

Part Context

This component belongs to the LMV7291 series of analog comparators manufactured by Texas Instruments. It is designed as a low-voltage solution for space-constrained applications requiring minimal power usage. The device integrates standard comparator functionality into a compact surface-mount footprint, serving as a fundamental building block for signal processing and control logic in electronic systems.

Replacement Considerations

Consult official datasheets to identify direct pin-compatible substitutes or functional equivalents from other manufacturers if this specific part becomes unavailable. Verify that any replacement maintains the same supply voltage range, package dimensions, and electrical performance metrics.