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Communication ICs & RF Devices

50MHz Input Mixer and 450kHz FM IF Demodulator IC

  • Wide Operating Voltage (1.8V to 9.0V)
  • Low Operating Current (1.2mA type. at V+=2.0V,external local oscillator input)
  • 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)
  • RSSI Comparator with Open-Collector Output
  • Quick Charge/Discharge Circuit for FSK Reference Voltage
  • Bipolar Technology
  • Package Outline (SSOP20)
General 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.
Package Information
Part Number Package OutlinePinsMaterial Declaration (RoHS/Halogen)Terminal FinishWeight(mg) (Reference)Reflow solderingFlow solderingIron solderingPacking ConditionMSLSolder Foot Print
20Sn2Bi87Yes-YesNon dry pack1
Sample & Buy
Part NumberPackagesStatusPacking SpecificationSampleBuy