Datasheet AD8362 (Analog Devices) - 4

制造商Analog Devices
描述50 Hz to 3.8 GHz 65d dB TruPwr Detector
页数 / 页33 / 4 — AD8362. Data Sheet. SPECIFICATIONS. Table 2. Parameter. Test …
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AD8362. Data Sheet. SPECIFICATIONS. Table 2. Parameter. Test Conditions/Comments. Min. Typ. Max. Unit

AD8362 Data Sheet SPECIFICATIONS Table 2 Parameter Test Conditions/Comments Min Typ Max Unit

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AD8362 Data Sheet SPECIFICATIONS
VS = 5 V, T = 25°C, ZO = 50 Ω, differential input drive via balun1, VTGT connected to VREF, VOUT tied to VSET, unless otherwise noted.
Table 2. Parameter Test Conditions/Comments Min Typ Max Unit
OVERALL FUNCTION Maximum Input Frequency 3.8 GHz Input Power Range (Differential) dB referred to 50 Ω impedance level, f ≤ 2.7 GHz, into 1:4 balun1 Nominal Low End of Range −52 dBm Nominal High End of Range 8 dBm Input Voltage Range (Differential) RMS voltage at input terminals, f ≤ 2.7 GHz, into input of the device Nominal Low End of Range 1.12 mV rms Nominal High End of Range 1.12 V rms Input Power Range (S-Sided) Single-ended drive, CW input, f ≤ 2.7 GHz, into input resistive network2 Nominal Low End of Range −40 dBm Nominal High End of Range 0 dBm Input Voltage Range (S-Sided) RMS voltage at input terminals, f ≤ 2.7 GHz Nominal Low End of Range 2.23 mV rms Nominal High End of Range 2.23 V rms Input Power Range (S-Sided) Single-ended drive, CW input, f ≥ 2.7 GHz, into matched input network3 Nominal Low End of Range −35 dBm Nominal High End of Range 124 dBm Output Voltage Range RL ≥ 200 Ω to ground Nominal Low End of Range 100 mV Nominal High End of Range In general, VS − 0.1 V 4.9 V Output Scaling (Log Slope) 50 mV/dB Law Conformance Error Over central 60 dB range, f ≤ 2.7 GHz ±0.5 dB RF INPUT INTERFACE Pin INHI, Pin INLO, ac-coupled, at low frequencies Input Resistance Single-ended drive, with respect to DECL 100 Ω Differential drive 200 Ω OUTPUT INTERFACE Pin VOUT Available Output Range RL ≥ 200 Ω to ground 0.1 4.9 V Absolute Voltage Range Nominal Low End of Range Measurement mode, f = 900 MHz, PIN = −52 dBm 0.32 0.48 V Nominal High End of Range Measurement mode, f = 900 MHz, PIN = +8 dBm 3.44 3.52 V Source/Sink Current VOUT held at VS/2, to 1% change 48 mA Slew Rate Rising CL = open 60 V/µs Slew Rate Falling CL = open 5 V/µs Rise Time, 10% to 90% 0.2 V to 1.8 V, CLPF = Open 45 ns Fall Time, 90% to 10% 1.8 V to 0.2 V, CLPF = Open 0.4 µs Wideband Noise CLPF = 1000 pF, fSPOT ≤ 100 kHz 70 nV/√Hz VSET INTERFACE Pin VSET Nominal Input Voltage Range To ±1 dB error 0.5 3.75 V Input Resistance 68 kΩ Scaling (Log Slope) f = 900 MHz 46 50 54 mV/dB Scaling (Log Intercept) f = 900 MHz, into 1:4 balun −64 −60 −56 dBm −77 −73 −69 dBV VOLTAGE REFERENCE Pin VREF Output Voltage 25°C 1.225 1.25 1.275 V Temperature Sensitivity −40°C ≤ TA ≤ +85°C 0.08 mV/°C Output Resistance 8 Ω Rev. F | Page 4 of 33 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS EQUIVALENT CIRCUITS TYPICAL PERFORMANCE CHARACTERISTICS CHARACTERIZATION SETUP EQUIPMENT ANALYSIS CIRCUIT DESCRIPTION SQUARE LAW DETECTION VOLTAGE vs. POWER CALIBRATION OFFSET ELIMINATION TIME-DOMAIN RESPONSE OF THE CLOSED LOOP OPERATION IN RF MEASUREMENT MODE BASIC CONNECTIONS DEVICE DISABLE RECOMMENDED INPUT COUPLING Choosing Input Coupling Capacitors Single-Ended Input Drive OPERATION AT LOW FREQUENCIES CHOOSING A VALUE FOR CHPF CHOOSING A VALUE FOR CLPF ADJUSTING VTGT TO ACCOMMODATE SIGNALS WITH VERY HIGH CREST FACTORS ALTERING THE SLOPE TEMPERATURE COMPENSATION AND REDUCTION OF TRANSFER FUNCTION RIPPLE TEMPERATURE COMPENSATION AT VARIOUS WiMAX FREQUENCIES UP TO 3.8 GHz OPERATION IN CONTROLLER MODE RMS VOLTMETER WITH 90 dB DYNAMIC RANGE AD8362 EVALUATION BOARD OUTLINE DIMENSIONS ORDERING GUIDE