470MHz Input Mixer and 455kHz FM IF Demodulator IC
The NJM2592 is a wide-operating voltage，low-current FM IF demodulator IC with 455kHz(standard) IF frequency. It includes an oscillator，mixer，limiting amplifier，quadrature detector，active filter，and FSK comparator. The NJM2592 also has a RSSI circuit and RSSI comparator for carrier sense.
Consumer Supply Voltage 1.8V to 9V Operating Current Typ. 2.2 mA Structure Bipolar Technology Wide Operating Temperature -40℃ to +85℃ Junction Temp. +125℃ Package SSOP20 Maximum Mixer Input Signal Frequency 470MHz(reference value)
Mixer Input Resistance (50Ω)
IF Frequency (455kHz(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
- 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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