High Isolation X-SPDT (DP4T) Switch GaAs MMIC

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  • Description

    The NJG1690MD7 is a GaAs X (cross)-SPDT(DP4T) switch MMIC for switching of balanced (differential) dual band filters. It features low insertion loss and very high isolation for balanced signal input which makes it much suited for balanced filter switching.The ESD protection circuit are integrated in the IC to achieve high ESD tolerance.The ultra-small and ultra-thin EQFN14-D7 package is adopted. *) X-SPDT is a paired SPDT switch controlled synchronously. The X-SPDT includes two SPDT switches whose RF lines have a crossing inside the chip.


    • Balanced filter switching application
    • UMTS
    • CDMA and GSM Multi-mode or Multi-band applications
    • Mobile phone
    • Tablet PC
    • Data card
    • Router and others mobile device applications

  • Spec
    Function DP4T Switch(X-SPDT)
    High Isolation
    P-0.1dB Typ. 24dBm
    Power Level Low Power
    Insertion Loss 0.3dB typ. @f=1.0GHz, PIN=0dBm
    0.4dB typ. @f=2.0GHz, PIN=0dBm
    0.45dB typ. @f=2.7GHz, PIN=0dBm
    Isolation 37dB typ. @f=2.7GHz, PIN=0dBm (with balanced mode operation)
    29dB typ. @f=1.0GHz, PIN=0dBm
    24dB typ. @f=2.0GHz, PIN=0dBm
    21dB typ. @f=2.7GHz, PIN=0dBm
    Frequency Range 0.05GHz to 3GHz
    Package Size Typ. 1.6x1.6x0.397 mm
    Low Control Voltage VCTL(H)=+1.3V min.
    Voltage Operation VDD=2.7V
    Wide Operating Temperature -40°C to 85°C
    Junction Temp. 150°C
    Package EQFN14-D7
    Note Low control voltage (VCTL(H)=1.8V typ.)
  • Technical
  • Quality &
    • Refer to the datasheets for the details on the product.
    • The package file or the datasheet includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.

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Functional Description

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