The 1 mA quiescent current keeps the thermal budget manageable when multiple amplifiers share a board.
500 µV input offset, 2 pA bias — the precision side
These figures place the TLV2771AID in the mid-precision tier — adequate for many automotive sensor interfaces (pressure, temperature, position) where the signal is in the tens of millivolts. The 2 pA bias current is low enough that high-impedance sources like piezo or photodiode sensors will not see significant loading error, though for sub-millivolt accuracy a chopper-stabilized amplifier would be the next step up.
50 mA output drive — what it can and cannot do
It is not intended for power-amplifier stages or heavy loads — stay within the SOA and package dissipation limits for the 8-SOIC.