Sunday, October 31, 2010

Analog Devices intros digital isolator with integrated transformer driver and PWM controller

BANGALORE, INDIA: Analog Devices Inc. has introduced the industry’s first digital isolator with an integrated transformer driver and PWM (pulse-width modulation) controller in a single package.

The integration of these components into a small, surface mount 20-lead SSOP (shrink small outline package) enables the new four-channel digital isolator to reduce board space by up to 30 percent and achieve cost reductions of 10 percent while simplifying the development of systems requiring isolated data and power.

The product enables designers to implement an isolated dc-to-dc converter that provides up to 2 watts of regulated, isolated power at 3.3 V to 30 V from a 5.0-V input supply or 3.3-V supply. Analog Devices’ new ADuM347x digital isolators are ideal for applications that require isolated data and isolated power, including data acquisition, industrial process control using Fieldbus, and building control. Watch a video on the ADuM347x digital isolators.

The new devices expand ADI’s iCoupler digital isolation portfolio, which provides the most extensive range of isolation technology in the industry. The ADuM347x isolators, along with other products in the portfolio, enable designers to implement isolation in their designs without the cost, size, power, performance, and reliability constraints found with traditional isolation products, such as optocouplers.

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