Details, datasheet, quote on part number: NJM2592V
PartNJM2592V
CategoryMultimedia => Video
Description470MHz Input 455kHz FM if Demodulator
CompanyNJR Corporation
DatasheetDownload NJM2592V datasheet
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Features, Applications

The is a low-voltage, low-current FM IFdemodulator 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.

FEATURES

Low Operating Voltage to 5.5V Low Operating Current V+ =2.0V Operating Frequency to 470MHz (reference value) IF Input Frequency 455kHz (standard) Ceramic Discriminator or LC resonant Circuit FSK Comparator with Open-collector Output Quick Charge /Discharge Circuit for FSK Reference Voltage Bipolar Technology Package Outline SSOP20

SENSE RSSI CARRIER FSK CHARGE LPF SW OUT GND LEVEL OUT SENSE OUT
MIXER RSSI COMP FSK COMP BUFFER FILTER AMP

PARAMETER Supply Voltage Power Dissipation Operating Temperature Storage Temperature SYMBOL V+ PD Topr Tstg RATINGS +125 (Ta=25C) UNIT mW C

PARAMETER Supply Voltage SYMBOL V+ TEST CONDITIONS MIN. 1.8 TYP. 2.0 MAX. 5.5

PARAMETER Current Consumption Mixer Conversion Gain1 Mixer Conversion Gain2 Mixer 3rd Order Intercept Mixer Input Resistance Mixer Input Capacitance Mixer Output Resistance Signal to Noise Ratio 1 Signal to Noise Ratio 2 Signal to Noise Ratio 3 -3dB limiting Sensitivity AM Rejection Raito IF Amplifier Input Resistance RSSI Output Voltage Demodulated Output Level

fmod=600Hz, fdev=4KHz, unless otherwise noted) SYMBOL Iccq Gmix2 IP RinM CinM S/N2 S/N3 VIn(lim) AMR RinIF Vrssi Vod IF input Vi=40dBuVEMF IF input Vi=60dBuVEMF Mixer input Vin=60dBuVEMF Mixer input Vin=60dBuVEMF Mixer input Vin=25dBuVEMF IF input IF input, Vi=60dBuVEMF fmix=470MHz TEST CONDITIONS No Signal Pin3 is terminated with Pin3 is terminated with 2k. MIN. TYP. 3.5 20 TBD 95 50 TBD MAX. UNIT mA dB dBuV k dB


[CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights.


 

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