ADA4099-1/2 Over-The-Top™ Precision Op Amps Analog Devices Inc. ADA4099-1/2 Over-The-Top™ Precision Op Amps offer inputs that operate from −VS to +VS and beyond, referred to as Over-The-Top. The ADA4099-1/2 features offset voltages of <,30µV, input bias currents (IB) of <,10nA, and can operate on single or split supplies that range from 3.15V to 50V. Additionally, the ADA4099-1/2 draws 1.5mA of quiescent current.