NJM2592 JRC, NJM2592 Datasheet
NJM2592
Related parts for NJM2592
NJM2592 Summary of contents
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... 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. FEATURES Wide Operating Voltage Low Operating Current ...
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... NJM2592 www.DataSheet4U.com ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Power Dissipation Mixer Input Signal Level Operating Temperature Storage Temperature RECOMMENDED OPERATING CONDITION PARAMETER Supply Voltage ELECTRICAL CHARACTERISTICS + ( Ta=25°C, V =2.0V, fmix=430MHz, flo=429.545MHz, fif=455kHz, fmod=600Hz, fdev=±4kHz, unless otherwise noted) PARAMETER Current Consumption Mixer Conversion Gain ...
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... VinIF=60dBuVEMF FSK REF=GND Ich LPFOUT=0.4V + IcryH V =V CARRIER SENSE VcryL I =100uA CARRIER SENSE =0.8V CARRIER SENSE + FSK OUT =100uA FSK OUT NJM2592 MIN. TYP. MAX. UNIT mVrms 110 uA - (0. 0.1 0 (0.0) ...
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... MIX IN input signal: input frequency(fmix)=430MHz, input level(VinMIX)=60dBuVEMF, OSC(E)input signal: input frequency(fosc)=429.545MHz, input level(VinOSC)=105dBuVEMF CERAMIC DISCRIMINATOR (especially designed for NJM2592) To optimize some important performance, the following ceramic discriminator CD is available. For more information on this CD and 450kHz CD, please contact the CD supplier. ...
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... V+ 1. 50k NJM2592 VOLTAGE FUNCTION Base / Emitter Terminal Colpitts - type oscillator is formed with an external oscillator element - of crystal unit or SAW resonator. Output of an external oscillator circuit can also input to pin1 or pin2. - Mixer Output An external 455kHz ceramic filter is connected. The typical output impedance is 2kΩ ...
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... NJM2592 www.DataSheet4U.com Pin No. SYMBOL 8 FSK VREF2 9 IF OUT 10 QUAD OUT - 6 - EQUIVARENT CIRCUIT V+ 8 40k V+ 9 40uA V+ 400 400 40uA VOLTAGE FUNCTION FSK Reference Voltage Output This pin usually keeps open. This fixed output voltage may be available for the FSK reference voltage of wave shaping comparator by connecting to pin7 ...
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... Ver.2004-08-25 EQUIVARENT CIRCUIT 300k NJM2592 VOLTAGE FUNCTION Low Pass Filter Input An external RC components forms a band pass filter between pin12 and pin13. 0.55V This terminal is biased from pin 11 though an external RC filter. Low Pass Filter Output 0.55V Quick Charge / Discharge ...
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... NJM2592 www.DataSheet4U.com Pin No. SYMBOL 17 RSSI OUT SENSE 18 LEVEL 19 GND 20 MIX IN Note : 1. ESD protection diodes exist between each of the following pins and V Pin 1,2,3,5,6,7,8,9,10,11,12,13,17,18,20 2. ESD protection diodes also exist between each of the following pins and ground. Pin 1,2,3,5,6,7,8,9,10,11,12,13,14,15,16,17, EQUIVARENT CIRCUIT V+ 17 50k ...
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... V IF Filter CHARGE SWITCH FILTER AMP CHARGE QUAD DET + - IF AMP DEC REF DET + V TANK CHARGE SWITCH FILTER AMP CHARGE QUAD DET + - IF AMP DEC REF DET + V Tank NJM2592 - 9 - ...
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... NJM2592 www.DataSheet4U.com EVALUATION PC BOARD The evaluation board is useful for your design and to have more understanding of the usage and performance of this device. This circuit is the same as TEST CIRCUIT. Note that this board is not prepared to show the recommendation of pattern and parts layout. Circuit Diagram ...
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... R1=3.3kΩ R2,R3,R4=68kΩ CF=CFWLB455KEFA004-B0 Ver.2004-08- Local IC1 CF NJM2592 C12 OUT C2,C4=0.1uF C5=33pF R5,R6=100kΩ R7,R10=0Ω CD=CDBCB455KCAY71-B0 NJM2592 SENSE LEVEL RSSI R6 CARRIER SENSE FSK OUT Vcc : Charge ON GND: Charge OFF C6=0.01uF C7=560p C8=3300pF R8,R9=51Ω ...
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... NJM2592 www.DataSheet4U.com TYPICAL CHARACTERISTICS Current Consumption versus Supply Voltage No input signal 3.0 2.5 2.0 1.5 1.0 0.5 0 Supply Voltage V+(V) Demodulated Output versus Supply Voltage Condition 1(IF input) 120 100 Supply Voltage V+(V) S/N versus Supply Voltage-Mixer Input- Condition 2(Mixer input) 100 Supply Voltage V+(V) ...
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... Relative Frequency to fif (kHz) Ver.2004-08-25 120 100 100 1000 fmix=400MHz fmix=100MHz 100 110 120 NJM2592 Mixer Input Level Characteristics Mixer Output Level Current Consumption 20 0 -100 -80 -60 -40 -20 Mixer Input Level VinMIX(dBm) AF Output versus Frequency:S-Curve Condition 1(IF input) ...
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... NJM2592 www.DataSheet4U.com S+N,N,AMR versus Mixer Input Condition 2(Mixer input), AM=30 -10 -20 -30 -40 -50 -60 -70 -80 - Mixer Input Level VinMIX(dBuVEMF) RSSI Output versus Mixer Input Condition 2(Mixer input) 2.4 2.0 1.6 1.2 0.8 0.4 0.0 - Mixer Input Level VinMIX(dBuVEMF) Quick Charge/Discharge Current versus FSK Reference Input Voltage Condition1 (IF input),LPF OUT=0 ...
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... Ambient Temperature Ta(°C) Ver.2004-08- 100 100 100 NJM2592 Mixer Conversion Gain versus Temperature Measured at Pin3, terminated with 2kΩ fmix=400MHz 20 fmix=100MHz -40 - Ambient Temperature Ta(°C) FSK Duty Ratio versus Temperature Condition 1(IF input) ...
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... NJM2592 www.DataSheet4U.com RSSI Output versus Temperature-Mixer- Condition 2(Mixer input) 2.4 2.0 1.6 1.2 0.8 0.4 0.0 -40 - Ambient Temperature Ta(°C) Quick Charge/Discharge Current versus Temperature Condition 1(IF input),LPF OUT=0.45V -20 -30 -40 -50 -60 -70 -80 -90 -100 -40 - Ambient Temperature Ta(° 70dBuVEMF 60dBuVEMF 50dBuVEMF 40dBuVEMF 30dBuVEMF 20dBuVEMF 40 60 ...