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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 1200VRMS. 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.
The input of the AMC3311/AMC3311-Q1 is optimized for direct connection to high-impedance resistive dividers typically used for sensing high voltages. The integrated isolated DC-DC converter allows the measurement of non-ground-referenced signals and makes the device a unique solution for noisy, space-constrained applications. The high DC accuracy and low-temperature drift support accurate voltage monitoring and control. The AMC3311/AMC3311-Q1 is offered in a wide-body, 16-pin SOIC package and is specified over the temperature range of -40 °C to +125°C. The Texas Instruments AMC3311-Q1 devices are AEC-Q100 qualified for automotive applications.
