Datasheet ADRF6520 (Analog Devices) - 5

Data Sheet ADRF6520 Parameter Test Conditions/Comments Min Typ Max Unit
Third Harmonic, HD3 330 MHz fundamental, 1.5 V p-p output level VGA1 gain = −6 dB, VGA2 = 0 dB −60.5 dBc VGA1 gain = 18 dB, VGA2 = 0 dB −62.5 VGA1 gain = 18 dB, VGA2 = 24 dB −70.4 dBc IMD3 496.5 MHz and 503.5 MHz tones, 1.5 V p-p composite output VGA1 gain = −6 dB, VGA2 = 0 dB −68.8 dBc VGA1 gain = 18 dB, VGA2 = 0 dB −70 dBc VGA1 gain = 18 dB, VGA2 = 24 dB −77 dBc DIGITAL LOGIC LE, CLK, DATA, SDO Input High Voltage, VHIGH >2 V Input Low Voltage, VLOW <0.8 V Input Current, IHIGH/ILOW <1 µA Input Capacitance, CIN 2 pF SPI TIMING LE, CLK, DATA, SDO fCLK 1/tCLK 20 MHz tDH DATA hold time 5 ns tDS DATA setup time 5 ns tLH LE hold time 5 ns tLS LE setup time 5 ns tPW CLK high pulse width 5 ns tD CLK to SDO delay 5 ns POWER AND ENABLE VPS, VPSD, COM, COMD, ENBL Supply Voltage Range 3.15 3.3 3.45 V Total Supply Current ENBL = 3.3 V Maximum bandwidth setting 425 mA Filter bypassed 390 mA Disable Current ENBL = 0 V 10 mA Disable Threshold 1.6 V Enable Response Time Delay following ENBL low to high transition 20 µs Disable Response Time Delay following ENBL high to low transition 300 ns Rev. 0 | Page 5 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