PE43670 UltraCMOS® RF Digital Step Attenuator

    SG$ 4.45 SG$ 4.45 4.4522 SGD

    US$ 3.27

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    50Ω 7Bit 31.75dB 0.25dB Digital Step Attenuator

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    pSemi Corporation is a Murata company driving semiconductor integration. pSemi builds on Peregrine Semiconductor’s 30-year legacy of technology advancements and strong IP portfolio but with a new mission—to enhance Murata’s world-class capabilities with high-performance semiconductors. With a strong foundation in RF integration, pSemi’s product portfolio now spans power management, connected sensors, optical transceivers, antenna tuning and RF frontends. These intelligent and efficient semiconductors enable advanced modules for smartphones, base stations, personal computers, electric vehicles, data centers, IoT devices and healthcare.



    The PE43670 is a high linearity, 7-bit RF digital step attenuator (DSA). This highly versatile DSA covers a 31.75 dB attenuation range in 0.25 dB steps. The PE43670 50Ω RF DSA provides a parallel or serial-addressable CMOS control interface. It maintains high attenuation accuracy over frequency and temperature and exhibits very low insertion loss and low power consumption. Performance does not change with VDD due to the onboard regulator. This DSA is available in a 5 × 5 mm 32-lead QFN footprint.


        Attenuation: 0.25 dB steps to 31.75 dB
        High linearity: Typical +59 dBm IIP3
        Excellent low-frequency performance
        Fast switch settling time
        Programming modes: Direct parallel, latched parallel and serial-addressable
        No DC blocking capacitors required
        Packaging: 32-lead 5 × 5 × 0.85 mm QFN
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