ADUM1300WSRWZ-RL

The ADUM1300WSRWZ-RL is a versatile digital isolate with low power consumption and versatile data rate performance. It operates on 5V and 3V, consumes as little as 0.8 mA per channel at 0 Mbps to 2 Mbps, and efficiently handles high-speed 90 Mbps communications.

·General-purpose multichannel isolation

·SPI interface/data converter isolation

·RS-232/RS-422/RS-485 transceivers

·Industrial field bus isolation

·Automotive system

The ADuM1300/ADuM1301¹ are triple-channel digital isolators based on the Analog Devices, Inc., iCoupler® technology. Combining high speed CMOS and monolithic transformer technology, these isolation components provide outstanding performance characteristics superior to alternatives, such as optocouplers.

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 discrete components is eliminated with these iCoupler products. Furthermore, iCoupler devices consume one-tenth to one-sixth of the power of optocouplers at comparable signal data rates.

The ADuM1300/ADuM1301 isolators provide three independent isolation channels in a variety of channel configurations and data rates (see the Ordering Guide). Both models operate with the supply voltage on 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. In addition, the ADuM1300/ADuM1301 provide low pulse width distortion (<2ns for CRW grade) and tight channel-to-channel matching (<2ns for CRW grade). Unlike other optocoupler alternatives, the ADuM1300/ADuM1301 isolators have a patented refresh feature that ensures dc correctness in the absence of input logic transitions and when power is not applied to one of the supplies.

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