LMV321Q3M5/NOPB

Instrumentation, Op Amps, Buffer Amps Overview

The LMV321Q3M5/NOPB is a single-channel operational amplifier from the LMV3xx-N-Q3 family, designed for low-voltage applications. It operates within a supply voltage range of 2.7 V to 5.5 V and supports an industrial temperature range of -40°C to +85°C. The device features rail-to-rail output swing, a gain-bandwidth product of 1 MHz, and a slew rate of 1 V/µs. It consumes 130 µA of supply current and utilizes a 5-pin SOT-23 package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Rail-to-rail output capability maximizes dynamic range at low supply voltages
• Input common-mode voltage range includes ground for direct sensing
• Eliminates output crossover distortion found in legacy designs
• Space-efficient 5-pin SOT-23 package reduces board footprint

Instrumentation, Op Amps, Buffer Amps Applications

• Active filters
• General purpose low voltage applications
• General purpose portable devices

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify that the specific suffix Q3 corresponds to the automotive Grade 3 qualification (-40°C to +85°C) rather than Grade 1 or commercial variants. Confirm the M5 designation indicates the SOT-23 package type. Ensure compatibility with system requirements regarding input bias current and offset voltage specifications before finalizing procurement.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when space constraints require a small footprint like the SOT-23 package. It is suitable for battery-powered systems due to its low 130 µA supply current. Use this part where rail-to-rail output swing is necessary to maximize signal integrity near the supply rails. Verify that the -40°C to +85°C operating temperature range meets the environmental conditions of the target application.

Instrumentation, Op Amps, Buffer Amps Part Context

This device belongs to the LMV3xx-N-Q3 family, which includes dual (LMV358-N-Q3) and quad (LMV324-N-Q3) versions. These amplifiers serve as low-voltage replacements for traditional LM358 and LM324 op amps. The family shares similar electrical characteristics but differs in channel count and package options, offering flexibility for various circuit densities.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

LMV321N/NOPB

Instrumentation, Op Amps, Buffer Amps FAQ

Does the LMV321Q3M5/NOPB support rail-to-rail input?

No, the datasheet specifies rail-to-rail output only. The input common-mode voltage range extends to the negative rail (ground) but does not reach the positive supply rail.

What is the maximum capacitive load the device can drive directly?

The device can directly drive up to 200 pF in a unity-gain configuration without oscillation. Heavier loads require isolation resistors for stability.