The π1xxxxx are2PaiSemi digital isolators product family. By using maturated standard semiconductor CMOS technology and innovative design, these isolation components provide outstanding performance characteristics superior to alternatives such as optocoupler devices and other integrated isolators. The π1xxxxx isolator data channels are independent and are available in a variety of configurations with a withstand voltage rating of 3.0 kV rms to 6.0 kV rms and the data rate from DC up to 600Mbps (see the Ordering Guide).


    Ultra low power consumption:


    High data rate: π12xAxx: 600Mbps

    π12xExx: 200Mbps

    π12xMxx: 10Mbps

    π12xUxx: 150kbps

    High common-mode transient immunity: 50 kV/us typical

    High robustness to radiated and conducted noise

    Low propagation delay:

    5 ns typical for 5 V operation

    7 ns typical for 3.3 V operation

    Isolation voltages:

    π12xx3x: AC 3000Vrms

    π12xx6x: AC 6000Vrms

    High ESD rating:


    Human bodymodel (HBM) ±7kV, all pins

    Safetyand regulatory approvals

    ULcertificate number: E494497

    3000Vrms/6000Vrmsfor 1 minute per UL 1577

    CSAComponent Acceptance Notice 5A(Pending)

    VDEcertificate number: 40047929

    DIN V VDE V0884-10 (VDE V 0884-10):2006-12

    VIORM = 565V peak/849Vpeak

    CQCcertification per GB4943.1-2011(Pending)

    3 V to 5.5 V level translation

    Wide temperature range: -40°C to125°C

    8/16-lead, RoHS-compliant, (W)SOIC package


    • General-purpose multichannel isolation

    • Industrial field bus isolation


    π120xxx/π121xxx/π122xxx functional Block Diagram

    The devices operate withthe supply voltage on either side ranging from 3.0 V to 5.5 V,providing compatibilitywith lower voltage systems as well as enabling voltage translationfunctionality across the isolation barrier.

    The fail-safe state is available in which the outputs transition to a preset statewhen the input power supply is not applied.

    π120xxx Typical Application Circuit

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