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Analog Devices’ Digital Isolation Update iCoupler® News

New Products

The ADuM744x 1kV rms digital isolation products are packaged in a 16-lead QSOP. While other four-channel isolators come in 16-lead SOIC wide body packages, the ADuM744x free up almost 70% of board space. In addition to space savings, the ADuM744x offers lower pricing than 2.5kV or 5kV rms isolators where only functional isolation is needed.
Learn more about the ADuM744x digital isolators here.

Inside iCoupler Technology

iCoupler Digital Isolators with 1kV rms Rating – By Baoxing Chen
The recently announced family of iCoupler digital isolators, ADuM744x, delivers the industry's smallest, most effective isolation solution. They achieve this by scaling down the isolation capability of our standard iCoupler digital isolators using a different insulation layer. Despite the reduced isolation rating, 1kV rms for 1 minute, these digital isolators have wide application in a number of systems.
Read the entire iCoupler article in this PDF. (65,536 bytes)

NAppkin Notes

NAppkin Notes – written expressly for the Digital Isolation Update – are ideas, hints, and tips for
building with iCoupler technology.

ADuM1100 for Low Power Application
By Brian Kennedy
The ADuM1100 circuit discussed in this NApp Note can be used in applications requiring minimal power consumption with a low duty cycle and minimum pulse width of about 1µs.
Read the entire iCoupler application note in this PDF. (163,840 bytes)

Circuits from the Lab
Fully Isolated Input Module Based on the AD7793 24-Bit Σ-Δ ADC, the ADuM5401 Digital Isolator, and a High Performance In-Amp
This circuit provides a complete solution for an industrial control input module. This design is suitable for process control programmable logic controllers (PLCs) and distributed control systems (DCSes) modules that must digitize standard 4 mA to 20 mA current inputs and unipolar or bipolar input voltage ranges.
Learn more here.

Please visit www.analog.com/icoupler for more information.

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