What this single op-amp is for
The LMV301MGX/NOPB: It delivers a 1 MHz gain-bandwidth product and a 0.66 V/µs slew rate — numbers that put it squarely in the signal-conditioning and sensor-buffer class, not high-speed ADC driving. The rail-to-rail output stage lets you swing close to the supply rails, which matters when you are running from a 1.8 V rail and every millivolt of headroom counts. Supply current sits at 163 µA, and input bias current is a negligible 0.182 pA, so it fits battery-powered or high-impedance front ends without draining the battery or loading the source.
If you need -40°C to 125°C, look at the TLV9351IDCKR peer — it trades a wider temp range for a different supply voltage floor.
Output drive and package reality
The SC-70-5 is a tiny 5-lead package; it saves board space but makes manual rework fiddly. On a field-service swap, you will want a hot-air station and a steady hand — not a part you can reliably swap with a standard iron and tweezers. The part is surface-mount only, so no socket option for prototyping.