IEC 60601-1-COMPLIANT DIGITAL ISOLATORS WITH ICOUPLER TECHNOLOGY

iCoupler isolation technology combines chip-scale microtransformer technology with analog and mixed-signal circuits for substantial improvements in cost, size, performance, power, reliability, and ease of use as compared to traditional optocouplers. In addition to faster data rates and greater reliability, iCoupler digital isolators offer a wide array of integrated features and functions including I2C® bidirectional data paths, isolated power, data converters, RS-232 and RS-485 transceivers, and gate drivers.

iCoupler products achieve medical grade insulation through the use of a 20 µm thick polyimide insulation layer between two transformer coils. Signals are transmitted across the insulation using an encode/decode scheme that achieves data rates in excess of 90 Mbps with low propagation delays while also being able to maintain dc correctness. 100% production testing at high voltages ensures that iCoupler insulation complies with IEC 60601-1 requirements.

The ADuM220x, ADuM225x, and ADuM240x iCoupler digital isolators are ideally suited for medical applications that require IEC 60601-1-certified isolation to protect patients and equipment. These products are available in wide-body, surface-mount packages with 8 mm creepage and clearance distances, certified per IEC 60601-1.

Part Number Function Speed Grades
(Mbps)
Isolation Rating
(kV rms)
IEC 60601-1
Certification
Package
ADuM220x 2-channel 1, 10 5 Yes 16-lead, wide-body SOIC
ADuM225x I2C, 2-channel bidirectional 1 5 Yes 16-lead, wide-body SOIC
ADuM240x 4-channel 1, 10, 90 5 Yes 16-lead, wide-body SOIC

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