NJW2307 Series
FM Modulation/Demodulation with PLL

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  • Description

    NJW2307 is a FM modulation / demodulation IC for audio signal in full duplex communication that operates from 3.8V. In addition to audio signal, it can also be used in data pulse. By the parallel interface, set the carrier frequency (2.3MHz / 2.8MHz), and allows independently power-down control the Modulation / Demodulation circuit. The NJW2307 includes FM Modulation / Demodulation, VCO, PLL and AFC, will contribute to the adjustment-free.

    Applications

    • Interphone
    • Voice for Hot water supply system
    • Wireless and Wired Communication Systems

  • Spec
    Consumer
    Supply Voltage 3.8V to 5.5V
    Operating Current Typ. Mod: 9 mA
    Typ. Demod: 9.5 mA
    Frequency Range 2.3 MHz
    2.8 MHz
    Modulation/Demodulation Modem
    Structure Bi-CMOS Technology
    Wide Operating Temperature -40℃ to +85℃
    Junction Temp. +125℃
    Package SSOP20-C3
    Low operating Current Mod: 9mA typ.
    Demod: 9.5mA typ.
    Power-Down: 1uA Max
    Deviation AF_IN = 0.5Vpp ±15kHz (standard)
    FM Modulation output 1Vpp(standard)
    AF Demodulation output 0.5Vpp(standard)
  • 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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