LMC7211BIM5

Overview

The LMC7211BIM5/NOPB is a single-channel analog comparator from Texas Instruments, housed in an SOT-23-5 surface-mount package. It operates within a supply voltage range of 2.7 V to 15 V and draws a typical quiescent current of 14 µA. The device features rail-to-rail input capability with a common-mode voltage extending down to -200 mV below the negative rail. Key electrical specifications include a maximum propagation delay of 10 µs, an output short-circuit current capability of 45 mA per channel, and an input bias current as low as 0.4 pA. It provides a common-mode rejection ratio of 75 dB and a power supply rejection ratio of 80 dB.

Feature Summary

• Rail-to-rail input stage allowing signal detection near ground potential
• Low power consumption suitable for battery-operated applications
• Push-pull output configuration providing direct drive capability

Applications

• Battery-powered sensing circuits
• Threshold detection systems
• General-purpose voltage monitoring

Procurement Notes

Verify the complete part number includes the /NOPB suffix to confirm lead-free compliance and RoHS adherence. Confirm the specific suffix '5' corresponds to the SOT-23-5 package variant rather than other packaging options. Ensure the component meets the required operating temperature range of -40°C to +85°C for the intended environment.

Selection Notes

Select this component when rail-to-rail input performance is required at voltages approaching the negative supply rail. The low input bias current makes it suitable for high-impedance sensor interfaces. Consider the 10 µs response time against application speed requirements compared to faster comparator alternatives.

Part Context

This device belongs to the LMC7211 series of tiny CMOS comparators manufactured by Texas Instruments. It shares core electrical characteristics with other variants in the family but differs primarily in its physical package configuration. The SOT-23-5 form factor allows for compact board layouts in space-constrained designs.

Replacement Considerations

The LMC7211BIM/NOPB serves as a functional equivalent utilizing an SOIC-8 package instead of SOT-23-5. Verify pinout compatibility and thermal dissipation requirements when substituting between these package types.