RFSA3613

    5 - 6000 MHz Serial Controlled Digital Step Attenuator, 6-Bit, 0.5 dB Steps

    Key Features

    • 6-Bit, 31.5dB Range, 0.5dB Step;
    • Patented Circuit Architecture;
    • Overshoot-free Transient Switching Performance;
    • Frequency Range 5MHz to 6000MHz;
    • High Linearity, IIP3 > 55dBm;
    • Serial Control Interface;
    • Fast Switching Speed <120nsec;
    • Power-up Default Setting Is Maximum Attenuation
    • Serial Addressable Supports Up to Eight Addresses;
    • Single Supply 3V to 5V Operation;
    • RF Pins Have No DC Voltage, Can be DC Grounded Externally

    Qorvo's RFSA3613 is a 6-bit digital step attenuator (DSA) that features high linearity over the entire 31.5dB gain control range with 0.5dB steps. The RFSA3613 uses serial control interface. The RFSA3613 has a low insertion loss of 1.4dB at 2GHz. Patent pending circuit architecture provides overshoot-free transient switching performance. External addres pins allow up to eight DSAs to be controlled on a single bus. The RFSA3613 is avaiable in a 3mm x 3mm QFN package.

    Frequency Min(MHz) 5
    Frequency Max(MHz) 6,000
    Insertion Loss(dB) 1.4
    Attenuation Range(dB) 31.5
    IP1dB(dBm) 30
    IIP3(dBm) 55
    Interface Serial
    Bits 6
    Step Size(dB) 0.5
    Voltage(V) 5
    Package Type QFN
    Package(mm) 3.0 x 3.0
    ECCN 5A991.G

    This product appears in the following application block diagrams:

    • Applications > Defense & Aerospace > Communications > Military Radio

      Military Radio

    • Applications > Network Infrastructure > Wireless Infrastructure > Macro Base Station

      Macro Base Station

    • Applications > Network Infrastructure > Wireless Infrastructure > Repeaters / Boosters / DAS

      Repeaters / Boosters / DAS