Datasheet AD8302 (Analog Devices) - 2

AD8302–SPECIFICATIONS (TA = 25
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C, VS = 5 V, VMAG shorted to MSET, VPHS shorted to PSET, 52.3
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shunt resistors connected to INPA and INPB, for Phase measurement PINPA = PINPB, unless otherwise noted.) Parameter Conditions Min Typ Max Unit
OVERALL FUNCTION Input Frequency Range >0 2700 MHz Gain Measurement Range PIN at INPA, PIN at INPB = –30 dBm ±30 dB Phase Measurement Range φIN at INPA > φIN at INPB ±90 Degree Reference Voltage Output Pin VREF, –40°C ≤ TA ≤ +85°C 1.72 1.8 1.88 V INPUT INTERFACE Pins INPA and INPB Input Simplified Equivalent Circuit To AC Ground, f ≤ 500 MHz 3储2 kΩ储pF Input Voltage Range AC-Coupled (0 dBV = 1 V rms) –73 –13 dBV re: 50 Ω –60 0 dBm Center of Input Dynamic Range –43 dBV –30 dBm MAGNITUDE OUTPUT Pin VMAG Output Voltage Minimum 20 × Log (VINPA/VINPB) = –30 dB 30 mV Output Voltage Maximum 20 × Log (VINPA/VINPB) = +30 dB 1.8 V Center Point of Output (MCP) VINPA = VINPB 900 mV Output Current Source/Sink 8 mA Small Signal Envelope Bandwidth Pin MFLT Open 30 MHz Slew Rate 40 dB Change, Load 20 pF储10 kΩ 25 V/µs Response Time Rise Time Any 20 dB Change, 10%–90% 50 ns Fall Time Any 20 dB Change, 90%–10% 60 ns Settling Time Full-Scale 60 dB Change, to 1% Settling 300 ns PHASE OUTPUT Pin VPHS Output Voltage Minimum Phase Difference 180 Degrees 30 mV Output Voltage Maximum Phase Difference 0 Degrees 1.8 V Phase Center Point When φ ± INPA = φINPB 90° 900 mV Output Current Drive Source/Sink 8 mA Slew Rate 25 V/µs Small Signal Envelope Bandwidth 30 MHz Response Time Any 15 Degree Change, 10%–90% 40 ns 120 Degree Change CFILT = 1 pF, to 1% Settling 500 ns 100 MHz MAGNITUDE OUTPUT Dynamic Range ±1 dB Linearity PREF = –30 dBm (VREF = –43 dBV) 58 dB ±0.5 dB Linearity PREF = –30 dBm (VREF = –43 dBV) 55 dB ±0.2 dB Linearity PREF = –30 dBm (VREF = –43 dBV) 42 dB Slope From Linear Regression 29 mV/dB Deviation vs. Temperature Deviation from Output at 25°C –40°C ≤ TA ≤ +85°C, PINPA = PINPB = –30 dBm 0.25 dB Deviation from Best Fit Curve at 25°C –40°C ≤ TA ≤ +85°C, PINPA = ± 25 dB, PINPB = –30 dBm 0.25 dB Gain Measurement Balance PINPA = PINPB = –5 dBm to –50 dBm 0.2 dB PHASE OUTPUT Dynamic Range Less than ± 1 Degree Deviation from Best Fit Line 145 Degree Less than 10% Deviation in Instantaneous Slope 143 Degree Slope (Absolute Value) From Linear Regression about –90° or +90° 10 mV/Degree Deviation vs. Temperature Deviation from Output at 25°C –40°C ≤ TA ≤ +85°C, Delta Phase = 90 Degrees 0.7 Degree Deviation from Best Fit Curve at 25°C –40°C ≤ TA ≤ +85°C, Delta Phase = ± 30 Degrees 0.7 Degree –2– REV. B Document Outline FEATURES PRODUCT DESCRIPTION FUNCTIONAL BLOCK DIAGRAM AD8302-SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION PIN FUNCTION DESCRIPTIONS CAUTION Equivalent Circuits Typical Performance Characteristics GENERAL DESCRIPTION AND THEORY Basic Theory Structure BASIC CONNECTIONS Measurement Mode Interfacing to the Input Channels Dynamic Range Cross Modulation of Magnitude and Phase Modifying the Slope and Center Point Comparator and Controller Modes APPLICATIONS Measuring Amplifier Gain and Compression Reflectometer CHARACTERIZATION SETUPS AND METHODS Gain Phase OUTLINE DIMENSIONS Ordering Guide Revision History