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Texas Instruments AMC1400/AMC1400-Q1 Precision Isolated Amplifier is an isolated amplifier with an output separated from the input circuitry by an isolation barrier. The isolation barrier is highly resistant to magnetic interference. This barrier is certified to provide reinforced galvanic isolation of up to 7.5kVRMS according to DIN EN IEC 60747-17 (VDE 0884-17) and UL1577. It supports a working voltage of up to 2kVRMS. The isolation barrier separates parts of the system that operate on different common-mode voltage levels and protects the low side from voltage levels that can cause electrical damage and potentially harm an operator.
The input of the Texas Instruments AMC1400/AMC1400-Q1 is optimized for direct connection to a low-impedance shunt resistor or other low-impedance voltage sources with low signal levels. The low-temperature drift and excellent DC accuracy support accurate, current control in power factor correction (PFC) stages, traction inverters, DC/DC converters, and other applications that must operate at high common-mode voltages, high altitudes or in environments with high pollution degrees. The AMC1400/AMC1400-Q1 is offered in a stretched 8-pin SOIC package. The device is AEC-Q100 qualified for automotive applications and supports the temperature range from –40°C to +125°C.
