FM IF demodulator IC with 450MHz IF input · Low Operating Current : FM2.5mA at V+=2V
AM4.0mA at V+=2V
· Low Operating Voltage : 1.8V to 9.0V
· Operating Frequency : Up to 100MHz(reference value)
· IF Input Frequency : 450kHz(standard)
· Bipolar Technology
· Package : SSOP20
455kHz INPUT FM IF DEMODULATOR ●Low Operating Voltage (1.6V to 5.5V)
●Low Operating Current (550uA at V+=1.8V)
●IF Input Frequency (455kHz (standard))
●RSSI Comparator
●The Range of Linear Area on RSSI Output versus IF Input Characteristics (NJN2590 IF Input level=25 to 60 dBuVEMF(reference value)
NJM2597 IF Input level=35 to 85 dBuVEMF(reference value))
●Bipolar Technology
●Package Outline (SSOP14)
470MHz INPUT MIXER AND 455kHz FM IF DEMODULATOR ●Wide Operating Voltage (1.8V to 9.0V)
●Low Operating Current (2.2mA type. at V+=2.0V，external local oscillator input)
●Maximum Mixer Input Signal (Frequency 470MHz(reference value)
Level 0dBm)
●Mixer Input Resistance (50Ω)
●IF Frequency (455kHz(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)
