AMC3311/AMC3311-Q1 Precision Isolated Amplifier The Texas Instruments AMC3311/AMC3311-Q1 Precision Isolated Amplifier comes with a fully integrated, isolated DC-DC converter that allows single-supply operation from the low side of the device. The reinforced capacitive isolation barrier is highly resistant to magnetic interference, is certified according to DIN EN IEC 60747-17 (VDE 0884-17) and UL1577, and supports a working voltage of up to 1,200VRMS. The isolation barrier separates parts of the system that operate on different common-mode voltage levels and protects the low-voltage side from voltage levels that can cause electrical damage and potentially harm an operator.