NJM2593 Series
50MHz Input Mixer and 450kHz FM IF Demodulator IC

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  • Description

    The NJM2593 is an FM IF demodulator IC with 450kHz(standard) IF frequency, which operates from 1.8V to 9V supply, low-current. It includes an oscillator, mixer, limiting amplifier, quadrature detector, active filter, and FSK comparator. The NJM2593 also has a RSSI circuit and RSSI comparator for carrier sense.

  • Spec
    Consumer
    Supply Voltage 1.8V to 9V
    Operating Current Typ. 1.2 mA
    Structure Bipolar Technology
    Wide Operating Temperature -40℃ to +85℃
    Junction Temp. +125℃
    Package SSOP20
    Maximum Mixer Input Signal Frequency 50MHz(reference value)
    Mixer Input Resistance 4.5kΩ(reference value)
    IF Frequency 450kHz(standard)
    Conventional Quadrature Detector External Phase-shifting Capacitor
    External Discriminator or LC Resonant Circuit
    Note RSSI Comparator with Open-Collector Output
    Quick Charge/Discharge Circuit for FSK Reference Voltage
  • Technical
    Documents
  • Quality &
    Packages
    • 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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