Full/Low Speed 5KV USB Digital Isolator

ADUM4160BRWZ – USB Digital Isolator IC – 5000Vrms Isolation – Analog Devices

Ensure robust signal integrity and safety in USB applications with the ADUM4160BRWZ digital isolator from Analog Devices. This high-performance IC leverages magnetic coupling technology to deliver 5000Vrms electrical isolation while maintaining full-speed USB 2.0 data rates. Ideal for industrial and medical systems, it protects sensitive electronics from voltage surges and ground loops without compromising data transfer efficiency.

Key Features

• Isolation Rating: 5000Vrms reinforced isolation
• Data Rate: Up to 12Mbps (USB full-speed compatible)
• Voltage Range: 3.1V–5.5V operation
• Channel Configuration: Bidirectional single channel (1/1)
• Immunity: 25kV/µs common-mode transient immunity
• Temperature Range: -40°C to +105°C industrial-grade
• Package: 16-SOIC surface-mount design

Technical Specifications

Part of Analog Devices’ iCoupler® series, the ADUM4160BRWZ uses magnetic coupling for noise-immune signal transmission across isolation barriers. It features a propagation delay of 70ns (max) and rise/fall times of 20ns. This isolator operates without isolated power and complies with USB standards for plug-and-play compatibility. The 16-SOIC package (7.50mm width) ensures compact PCB integration for space-constrained designs.

Typical Applications

• Industrial USB interfaces for PLCs and motor controls
• Medical device patient isolation barriers
• Test and measurement equipment data ports
• Power supply communication modules
• Battery management system interfaces

About Analog Devices

Analog Devices Inc. (ADI) is a global leader in high-performance semiconductor solutions, renowned for innovation in signal processing and isolation technologies. With over 50 years of industry expertise, ADI sets benchmarks for precision, reliability, and quality in mission-critical applications across aerospace, healthcare, and industrial automation sectors.

ADI’s iCoupler® technology, used in this digital isolator IC, represents a breakthrough in galvanic isolation, combining integrated transformers with advanced CMOS circuitry. This commitment to R&D ensures ADI components meet rigorous international safety standards while delivering unmatched electrical performance and longevity.

About Digital Isolators

Digital isolators provide critical galvanic separation between circuit domains, preventing high-voltage transients, ground loops, and noise from damaging sensitive components. Unlike optocouplers, magnetic-based isolators offer faster data rates, lower power consumption, and enhanced reliability without LED degradation issues.

Essential for safety-certified designs, these isolators enable secure data transfer in environments with hazardous voltages. Applications span industrial automation, renewable energy systems, and medical devices where electrical isolation barriers are mandated by safety standards like IEC 61010 and IEC 60601.

Packaging

Available in protective Tube packaging for automated assembly processes. PCX ensures ESD-safe handling and vacuum-sealed shipment to preserve component integrity.

FAQs

Q: Does this isolator support USB 2.0 full-speed operation?
A: Yes, it maintains full 12Mbps USB data rates without signal degradation.

Q: Can I use this for medical equipment requiring reinforced isolation?
A: Absolutely. Its 5000Vrms isolation exceeds IEC 60601-1 requirements for patient-connected devices.

Q: Is external circuitry needed for power isolation?
A: No. Unlike some isolators, the ADUM4160BRWZ operates without isolated power supplies.

Q: What’s the difference between this and optocoupler-based USB isolators?
A: Magnetic coupling provides 10x faster transient immunity, lower latency, and no LED wear-out compared to optical solutions.

Q: How does the wide temperature range benefit industrial designs?
A: The -40°C to 105°C rating ensures reliability in harsh environments like factory floors or outdoor installations.

Q: Can PCX provide design support for this component?
A: Yes! Our engineering team offers technical assistance and datasheet access for integration queries.

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Disclaimer: Product images are representational. Refer to datasheet for exact specifications.