ADuM1410

The ADuM1310 and ADuM1410 are unidirectional triple- and quad-channel isolators based on Analog Devices' iCoupler® technology. Combining high speed CMOS and monolithic coreless transformer technology, these isolation components provide outstanding performance characteristics superior to alternatives such as optocoupler devices.

By avoiding the use of LEDs and photodiodes, iCoupler devices remove the design difficulties commonly associated with optocouplers. The typical optocoupler concerns regarding uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects are eliminated with the simple iCoupler digital interfaces and stable performance characteristics. The need for external drivers and other discretes is eliminated with these iCoupler products. Furthermore, iCoupler ADuM1410 devices run at one-tenth to one-sixth the power consumption of optocouplers at comparable signal data rates.

The ADuM1310 and ADuM1410 isolators provide three or four independent isolation channels at data rates up to 10 Mbps. Both models operate with the supply voltage of either side ranging from 2.7 V to 5.5 V, providing compatibility with lower voltage systems as well as enabling a voltage translation functionality across the isolation barrier. Each product also has a default output control pin with which the user can define the logic state the outputs are to take on in the absence of the input VDD1 power. Unlike other optocoupler alternatives, the ADuM1310 and ADuM1410 have a patented refresh feature that ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions.