ADA4098-1/-2 Over-The-Top™ Precision Op Amps Analog Devices Inc. ADA4098-1/-2 Over-The-Top™ Precision Op Amps provide inputs that operate from −VS to +VS and beyond, referred to as Over-The-Top. The ADA4098-1/-2 features offset voltages of <,30μV, input bias currents (IB) of <,700pA, and can operate on single or split supplies that range from 3V to 50V. Furthermore, the ADA4098-1 draws only 165μA of supply current.