Low noise differential amplifier, Low Power Quad Operational Amplifier, - tatanh1983/conchodom GitHub Wiki
LM2903 Series 36 V 250 nA SMT Dual Low Power Voltage Comparator - SOIC-8 https://www.futureelectronics.com/p/semiconductors--analog--comparators/lm2903ydt-stmicroelectronics-7014633