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Isolation

Industry-leading isolated amplifiers

Extend the lifespan of high-voltage systems with low-power, isolated amplifiers

Isolated amplifiers are analog output ICs that are capable of withstanding high common mode voltages. TI’s portfolio consists of both basic and reinforced isolated amplifiers for current sensing and voltage sensing applications needing high performance and reliability at a low price.

Featured isolated amplifiers

AMC3301

±250-mV input, precision reinforced isolated amplifier with integrated DC/DC converter for current sensing

AMC3330

“±1-V input, precision reinforced isolated amplifier with integrated DC/DC converter and high CMTI for voltage sensing

AMC3330-Q1

Automotive qualified, ±1-V input, precision reinforced isolated amplifier with integrated DC/DC converter for voltage sensing

Featured isolated amplifier resources

Comparing isolated amplifiers and isolated modulators (Rev. A)

This document compares isolated amplifiers and isolated-modulator-based solutions and explains some unique advantages of isolated-modulator-based solutions.

Accuracy Comparison of Isolated Shunt and Closed-Loop Current Sensing

This document compares TI's single-supply, isolated amplifieriers to a popular closed-loop current sensor (CLCS).

Comparing shunt- and Hall-based current-sensing solutions in onboard chargers and DC/DC converters

This document compares various isolated current-sensing methods based on several aspects such as performance, cost, and ease of implementation in OBCs and DC/DC converters.

Isolation certifications

Review the range of certifications TI's portfolio of isolated amplifiers have received including VDE, CSA, and UL certifications

This quick guide can serve as a reference for experienced designers or a starting point for engineers who are new to understanding isolation technologies

Understand the high-voltage isolation quality and reliability of devices such as the industry's highest performing reinforced isolated amplifier, the AMC1301