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PE4312 Digital Step Attenuator

50Ω 6Bit 31.5dB 0.5dB Digital Step Attenuator

    SG$ 5.76

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    50Ω 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 PE4312 is a 50Ω, HaRP™ technology-enhanced 6-bit RF digital step attenuator (DSA) designed for use in 3G/4G wireless infrastructure and other high-performance RF applications.

    This DSA is a pin-compatible upgraded version of the PE4302 with higher linearity, improved attenuation accuracy, and faster switching speed. An integrated digital control interface supports both serial and parallel programming of the attenuation, including the capability to program an initial attenuation state at power-up.

    Covering a 31.5 dB attenuation range in 0.5 dB steps, it maintains high linearity and low power consumption from 1 MHz through 4 GHz. PE4312 also features an external negative supply option and is offered in a 20-lead 4 × 4 mm QFN package. In addition, no external blocking capacitors are required if 0 VDC is present on the RF ports.

    Features

        Attenuation: 0.5 dB steps to 31.5 dB
        Safe attenuation state transitions
        Monotonicity: 0.5 dB up to 4 GHz
        High attenuation accuracy
        High linearity: +59 dBm IIP3
        Wide power supply range of 2.3–5.5V
        1.8V control logic-compatible
        105°C operating temperature
        Programming modes: Direct parallel, latched parallel and serial
        Unique power-up state selection
        Pin-compatible to PE4302, PE4305, and PE4306
        Package—20-lead 4×4 mm QFN
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    The PE4312 is a 50Ω, HaRP™ technology-enhanced 6-bit RF digital step attenuator (DSA) designed for use in 3G/4G wireless infrastructure and other high-performance RF applications.

    This DSA is a pin-compatible upgraded version of the PE4302 with higher linearity, improved attenuation accuracy and faster switching speed. An integrated digital control interface supports both serial and parallel programming of the attenuation, including the capability to program an initial attenuation state at power-up.

    Covering a 31.5 dB attenuation range in 0.5 dB steps, it maintains high linearity and low power consumption from 1 MHz through 4 GHz. PE4312 also features an external negative supply option and is offered in a 20-lead 4 × 4 mm QFN package. In addition, no external blocking capacitors are required if 0 VDC is present on the RF ports.

    Key Features

        Attenuation: 0.5 dB steps to 31.5 dB
        Safe attenuation state transitions
        Monotonicity: 0.5 dB up to 4 GHz
        High attenuation accuracy
        High linearity: +59 dBm IIP3
        Wide power supply range of 2.3–5.5V
        1.8V control logic-compatible
        105°C operating temperature
        Programming modes: Direct parallel, latched parallel, and serial
        Unique power-up state selection
        Pin-compatible to PE4302, PE4305, and PE4306
        Package—20-lead 4×4 mm QFN


    Specifications

    Description6-bit; 64 states
    Min Freq.1 MHz
    Max Freq.4000 MHz
    Max Typ. IL (dB)2.10
    Min Typ. IL (dB)1.30
    IIP3 (dBm)59
    Attn Range (dB)31.50
    Attn Step (dB)0.5
    InterfaceParallel, Serial
    Bits6
    Package20L QFN
    Package (mm)4x4
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