AMC3330DWE

Overview

The AMC3330DWE is a precision, reinforced isolated amplifier with an integrated DC/DC converter. It features a ±1V input voltage range optimized for high-impedance voltage sensing and a fixed gain of 2.0 V/V. The device operates on a single 3.3V or 5V supply. Key electrical specifications include a maximum gain error of ±0.2%, offset error of ±0.3mV, and common-mode transient immunity (CMTI) of 85kV/µs. It provides 4250VRMS isolation per UL1577 and 6000VPK reinforced isolation per DIN EN IEC 60747-17.

Feature Summary

• Integrated isolated DC/DC converter enables single-supply operation from the low-side.
• Reinforced capacitive isolation barrier certified to international safety standards.
• High common-mode transient immunity supports accurate monitoring in noisy environments.
• System-level diagnostic features simplify design and fault detection.

Applications

• Isolated voltage sensing in motor drives
• Photovoltaic inverters
• Power delivery systems
• EV charging infrastructure
• Battery energy storage systems

Procurement Notes

Verify the specific ordering suffix 'DWE' corresponds to the SOIC-16 package configuration required for your PCB layout. Confirm that the component meets the necessary safety certifications for your target market, such as UL1577 or VDE standards. Ensure the application environment stays within the specified operating temperature range of -40°C to +125°C. Check for any recent documentation updates regarding pin functions or thermal characteristics before finalizing the bill of materials.

Selection Notes

Select this component when high-precision voltage measurement across a reinforced isolation barrier is required. The integrated DC/DC converter simplifies power distribution by eliminating the need for separate isolated supplies. The fixed gain of 2.0 V/V and ±1V input range are suitable for direct connection to resistor-divider networks. Consider the 85kV/µs CMTI rating for applications with rapid switching transients.

Part Context

This part belongs to the AMC3330 family of precision isolated amplifiers. It is designed for applications requiring galvanic isolation between high-voltage domains and low-voltage control circuitry. The device integrates signal conditioning and power conversion into a single package, reducing system complexity and board space requirements compared to discrete solutions.

Replacement Considerations

AMC3330DR