ADUM3201ARZ Datasheet

Digital Isolators


The ADUM3201ARZ are dual-channel, digital isolators based on Analog Devices’ iCoupler® technology. Combining high speed CMOS and monolithic 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 the power of optocouplers at comparable signal data rates.The ADUM3201ARZ isolators provide two independent isolation channels in a variety of channel configurations and data rates (see the Ordering Guide). Both parts 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. The ADUM3201ARZ isolators have a patented refresh feature that ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions. ADUM3201ARZ Features • Enhanced system-level ESD performance per IEC 61000-4-x• Narrow body, 8-lead SOIC, Pb-free package• Low power operation5 V operation1.6 mA per channel maximum @ 0 Mbps to 2 Mbps3.7 mA per channel maximum @ 10 Mbps7.5 mA per channel maximum @ 25 Mbps3 V operation1.4 mA per channel maximum @ 0 Mbps to 2 Mbps2.4 mA per channel maximum @ 10 Mbps4.6 mA per channel maximum @ 25 Mbps• Bidirectional communication• 3 V/5 V level translation• High temperature operation: 105°C• High data rate: dc to 25 Mbps (NRZ)• Precise timing characteristics3 ns maximum pulse-width distortion3 ns maximum channel-to-channel matching• High common-mode transient immunity: >25 kV/μs• Safety and regulatory approvalsUL recognition: 2500 V rms for 1 minute per UL 1577CSA Component Acceptance Notice #5AVDE Certificate of ConformityDIN EN 60747-5-2 (VDE 0884 Part 2): 2003-01DIN EN 60950 (VDE 0805): 2001-12; DIN EN 60950: 2000VIORM = 560 V peak ADUM3201ARZ Applications • Size-critical multichannel isolation• SPI® interface/data converter isolation• RS-232/RS-422/RS-485 transceiver isolation• Digital field bus isolation


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Manufacturer information


Littelfuse (NASDAQ: LFUS) - As the worldwide leader in circuit protection, Littelfuse offers POWR-GARD®, Teccor®, Wickmann®, Pudenz®, Hamlin®, PulseGuard® and SIDACtor® branded products, with a wide range of technologies such as Fuses and Accessories, PTCs, GDTs, Varistors, Polymer ESD Suppressors, Surge Protection Modules, TVS Diodes, TVS Diode Arrays (SPA® Diodes), Switching Thyristors, Power Modules, LED Protector, SIDACtor® Protection Thyristor as well as reed switches, relays and Hall Effect sensors. Littelfuse products are backed by more than 88 years of technology innovation, industry leading technical support, design and manufacturing expertise. Littelfuse products are vital components in virtually every product that uses electrical energy, including automobiles, computers, consumer electronics, handheld devices, industrial equipment, and telecom/datacom circuits

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