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PE43665 UltraCMOS® RF Digital Step Attenuator

75Ω 6Bit 31.5dB 0.5dB Digital Step Attenuator

    SG$ 2.75

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    75Ω 6Bit 31.5dB 0.5dB Digital Step Attenuator

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    Psemi


    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.


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    Overview

    The PE43665 is a 75Ω, high-linearity, 6-bit RF digital step attenuator (DSA) covering a 31.5 dB attenuation range in 0.5 dB steps. The PE43665 provides both a parallel (latched or direct mode) and serial CMOS control interface, operates on a single 3V supply, and maintains high attenuation accuracy over frequency and temperature. It also has a unique control interface that allows the user to select an initial attenuation state at power-up. The PE43665 exhibits very low insertion loss and low power consumption. This functionality is delivered in a 4 × 4 mm QFN footprint.

    Features

        75Ω impedance
        Attenuation: 0.5 dB steps to 31.5 dB
        Low distortion for CATV and multi-carrier applications
        Flexible parallel and serial programming interfaces
        Unique power-up state selection
        Positive CMOS control logic
        High attenuation accuracy and linearity over temperature and frequency
        Very low power consumption
        Single-supply operation
        Package: 20-lead 4 × 4 mm QFN
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    The PE43665 is a 75Ω, high-linearity, 6-bit RF digital step attenuator (DSA) covering a 31.5 dB attenuation range in 0.5 dB steps. The PE43665 provides both a parallel (latched or direct mode) and serial CMOS control interface, operates on a single 3V supply, and maintains high attenuation accuracy over frequency and temperature. It also has a unique control interface that allows the user to select an initial attenuation state at power-up. The PE43665 exhibits very low insertion loss and low power consumption. This functionality is delivered in a 4 × 4 mm QFN footprint.

    Key Features

        75Ω impedance
        Attenuation: 0.5 dB steps to 31.5 dB
        Low distortion for CATV and multi-carrier applications
        Flexible parallel and serial programming interfaces
        Unique power-up state selection
        Positive CMOS control logic
        High attenuation accuracy and linearity over temperature and frequency
        Very low power consumption
        Single-supply operation
        Package: 20-lead 4 × 4 mm QFN

    Specifications

    Description6-bit; 64 states
    Min Freq.1 MHz
    Max Freq.2000 MHz
    Max Typ. IL (dB)1.80
    Min Typ. IL (dB)1.40
    IIP3 (dBm)52
    Attn Range (dB)31.50
    Attn Step (dB)0.5
    InterfaceParallel (Latched, Direct)
    Bits6
    Package20L QFN
    Package (mm)4x4
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