Datasheet ADRF6520 (Analog Devices) - 4

ADRF6520 Data Sheet Parameter Test Conditions/Comments Min Typ Max Unit
OUTPUT STAGE OPP1, OPM1, OPP2, OPM2 Maximum Output Swing At maximum gain, RLOAD = 100 Ω 3.5 4.5 V p-p HD2 > 55 dBc, HD3 > 55 dBc, RLOAD = 100 Ω 1.5 V p-p Output 1 dB Compression Point (OP1dB) Gain = 53 dB 12 14 dBm re:100 Ω Differential Output Impedance <20 Ω Output DC Offset Inputs shorted, dc offset correction loop enabled <20 mV Output Common-Mode AC coupling recommended 1.65 V NOISE/DISTORTION Corner Frequency = 36 MHz Output Noise Density At fC/2, VGA1 gain = 18 dB, VGA2 gain = 0 dB −137.25 dBV/Hz At fC/2, VGA1 gain = 18 dB, VGA2 gain = 30 dB −119.5 dBV/Hz Noise Figure Gain = 53 dB 11 dB Second Harmonic, HD2 10 MHz fundamental, 1.5 V p-p output level VGA1 gain = 6 dB, VGA2 = 0 dB −71.7 dBc VGA1 gain = 18 dB, VGA2 = 0 dB −71.7 dBc VGA1 gain = 18 dB, VGA2 = 24 dB −72.9 dBc Third Harmonic, HD3 10 MHz fundamental, 1.5 V p-p output level VGA1 gain = 6 dB, VGA2 = 0 dB −74.3 dBc VGA1 gain = 18 dB, VGA2 = 0 dB −74.7 dBc VGA1 gain = 18 dB, VGA2 = 24 dB −81.2 dBc IMD3 18 MHz and 19 MHz tones, 1.5 V p-p composite output Gain = 0 dB −70 dBc Gain = 24 dB −71.2 dBc Gain = 48 dB −85 dBc Corner Frequency = 720 MHz Output Noise Density At fC/2, VGA1 gain = 18 dB, VGA2 gain = 0 dB −137 dBV/Hz At fC/2, VGA1 gain = 18 dB, VGA2 gain = 30 dB −119.9 dBV/Hz Noise Figure Gain = 53 dB 11 dB Second Harmonic, HD2 100 MHz fundamental, 1.5 V p-p output level VGA1 gain = 6 dB, VGA2 = 0 dB −72 dBc VGA1 gain = 18 dB, VGA2 = 0 dB −75.6 dBc VGA1 gain = 18 dB, VGA2 = 24 dB −80.6 dBc Third Harmonic, HD3 100 MHz fundamental, 1.5 V p-p output level VGA1 gain = 6 dB, VGA2 = 0 dB −71.3 dBc VGA1 gain = 18 dB, VGA2 = 0 dB −71.6 dBc VGA1 gain = 18 dB, VGA2 = 24 dB −79.8 dBc IMD3 356.5 MHz and 363.5 MHz tones, 1.5 V p-p composite output VGA1 gain = −6 dB, VGA2 = 0 dB −65 dBc VGA1 gain = 18 dB, VGA2 = 0 dB −66.5 dBc VGA1 gain = 18 dB, VGA2 = 24 dB −81.1 dBc Bypass Mode Output Noise Density At 500 MHz, VGA1 gain = 18 dB, VGA2 gain = 0 dB −136.8 dBV/Hz At 500 MHz, VGA1 gain = 18 dB, VGA2 gain = 30 dB −119.8 dBV/Hz Noise Figure Gain = 53 dB 10.5 dB Second Harmonic, HD2 330 MHz fundamental, 1.5 V p-p output level VGA1 gain = −6 dB, VGA2 = 0 dB −64.5 dBc VGA1 gain = 18 dB, VGA2 = 0 dB −65 VGA1 gain = 18 dB, VGA2 = 24 dB −78.4 dBc Rev. 0 | Page 4 of 29 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION INPUT VGAs RMS DETECTOR PROGRAMMABLE FILTERS Bypassing the Filters VARIABLE GAIN AMPLIFIERS OUTPUT BUFFERS/ADC DRIVERS DC OFFSET COMPENSATION LOOP PROGRAMMING THE ADRF6520 NOISE CHARACTERISTICS DISTORTION CHARACTERISTICS MAXIMIZING THE DYNAMIC RANGE KEY PARAMETERS FOR QUADRATURE-BASED RECEIVERS SPI REGISTER AND TIMING REGISTER READ/WRITE TIMING Write Cycle Read Cycle APPLICATIONS INFORMATION BASIC CONNECTIONS SUPPLY DECOUPLING INPUT SIGNAL PATH OUTPUT SIGNAL PATH DC OFFSET COMPENSATION LOOP ENABLED SERIAL PORT CONNECTIONS ENABLE/DISABLE FUNCTION GAIN PIN DECOUPLING RMS DETECTOR CONNECTIONS VGA2 GAIN STEP RESPONSE LINEAR OPERATION OF THE ADRF6520 EVALUATION BOARD OUTLINE DIMENSIONS ORDERING GUIDE