50MHz Input Mixer and 450kHz FM IF Demodulator IC

Data Sheet


  • 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 Outline PLP Pins Terminal Finish Weight(mg) (Reference) Reflow soldering Flow soldering Iron soldering Packing Condition MSL Solder Foot Print
NJM2593V SSOP20 - 20 Sn2Bi 87 Yes - Yes Non dry pack 1

Sample & Buy

Part Number Packages Status Packing Specification Sample Buy
NJM2593V SSOP20 (Active) Contact Us Stock Check