ST LM124W-LM224W-LM324W handbook
Datasheet
LM124W-LM224W-LM324W Low Power Quad Operational Amplifiers have a wide gain bandwidth of 1.3MHz, an input common-mode voltage range that includes ground, a large voltage gain of 100dB, very low supply current/ampli of 375µA, low input bias current of 20nA, low input offset voltage of 3mV max., low input offset current of 2nA, wide power supply range of Single supply: +3V to +30V Dual supplies: ±1.5V to ±15V.