ADUM1400ARWZ-RL Datasheet

Isolator Interface IC


The ADUM1400ARWZ-RL are quad-channel digital isolators based on Analog Devices, Inc., iCoupler&reg; technology. Combining highspeed CMOS and monolithic air core 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 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 ADUM1400ARWZ-RL isolators provide four independent isolation channels in a variety of channel configurations and data rates (see the Ordering Guide). All 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 ADuM140x provides low pulse width distortion (<2 ns for CRW grade) and tight channel-to-channel matching (<2 ns for CRW grade). Unlike other optocoupler alternatives, the ADuM140x 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. ADUM1400ARWZ-RL Features &bull; Qualified for automotive applications &bull; Low power operation &bull; Bidirectional communication &bull; 3 V/5 V level translation &bull; High temperature operation: 125&deg;C &bull; High data rate: dc to 90 Mbps (NRZ) &bull; Precise timing characteristics&bull; High common-mode transient immunity: >25 kV/&mu;s &bull; Output enable function &bull; 16-lead SOIC wide body package &bull; RoHS-compliant models available ADUM1400ARWZ-RL Applications &bull; General-purpose multichannel isolation &bull; SPI interface/data converter isolation &bull; RS-232/RS-422/RS-485 transceivers &bull; Industrial field bus isolation &bull; Automotive systems


[{"Name":"Propagation Delay Time","Value":"32 ns"},{"Name":"Supply Voltage - Max ","Value":"5.5 V"},{"Name":"Supply Voltage - Min ","Value":"2.7 V"},{"Name":"Supply Current","Value":"11 mA"},{"Name":"Maximum Operating Temperature","Value":"+ 125 C"},{"Name":"Isolation Voltage ","Value":"560 V"},{"Name":"Minimum Operating Temperature","Value":"- 40 C"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

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