Datasheet AD8318 (Analog Devices) - 5

FabricanteAnalog Devices
Descripción1 MHz TO 8 GHz, 70 dB Logarithmic Detector/Controller
Páginas / Página25 / 5 — AD8318. Data Sheet. Parameter. Conditions. Min. Typ. Max. Unit
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AD8318. Data Sheet. Parameter. Conditions. Min. Typ. Max. Unit

AD8318 Data Sheet Parameter Conditions Min Typ Max Unit

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AD8318 Data Sheet Parameter Conditions Min Typ Max Unit
f = 3.6 GHz RTADJ = 51 Ω Input Impedance 119||0.7 Ω||pF ±3 dB Dynamic Range TA = 25°C 70 dB ±1 dB Dynamic Range TA = 25°C 58 dB −40°C < TA < +85°C 42 dB Maximum Input Level ±1 dB error −2 dBm Minimum Input Level ±1 dB error –60 dBm Slope −24.3 mV/dB Intercept 19.8 dBm Output Voltage—High Power In PIN = −10 dBm 0.717 V Output Voltage—Low Power In PIN = −40 dBm 1.46 V Temperature Sensitivity PIN = −10 dBm 25°C ≤ TA ≤ 85°C 0.0022 dB/°C −40°C ≤ TA ≤ +25°C 0.004 dB/°C f = 5.8 GHz RTADJ = 1000 Ω Input Impedance 33||0.59 Ω||pF ±3 dB Dynamic Range TA = 25°C 70 dB ±1 dB Dynamic Range TA = 25°C 57 dB −40°C < TA < +85°C 48 dB Maximum Input Level ±1 dB error −1 dBm Minimum Input Level ±1 dB error −58 dBm Slope −24.3 mV/dB Intercept 25 dBm Output Voltage—High Power In PIN = −10 dBm 0.86 V Output Voltage—Low Power In PIN = −40 dBm 1.59 V Temperature Sensitivity PIN = −10 dBm 25°C ≤ TA ≤ 85°C 0.0033 dB/°C −40°C ≤ TA ≤ +25°C 0.0069 dB/°C f = 8.0 GHz RTADJ = 500 Ω ±3 dB Dynamic Range TA = 25°C 60 dB −40°C < TA < +85°C 58 dB Maximum Input Level ±3 dB error 3 dBm Minimum Input Level ±3 dB error −55 dBm Slope −23 mV/dB Intercept 37 dBm Output Voltage—High Power In PIN = −10 dBm 1.06 V Output Voltage—Low Power In PIN = −40 dBm 1.78 V Temperature Sensitivity PIN = −10 dBm 25°C ≤ TA ≤ 85°C 0.028 dB/°C −40°C ≤ TA ≤ +25°C −0.0085 dB/°C OUTPUT INTERFACE VOUT (Pin 6) Voltage Swing VSET = 0 V; PIN = −10 dBm, no load1 4.9 V VSET = 2.1 V; PIN = −10 dBm, no load1 25 mV Output Current Drive VSET = 1.5 V; PIN = −50 dBm 60 mA Small Signal Bandwidth PIN = −10 dBm; from CLPF to VOUT 60 MHz Video Bandwidth (or Envelope Bandwidth) 45 MHz Output Noise PIN = 2.2 GHz; −10 dBm, fNOISE = 100 kHz, CLPF = 220 pF 90 nV/√Hz Fall Time PIN = Off to −10 dBm, 90% to 10% 10 ns Rise Time PIN = −10 dBm to off, 10% to 90% 12 ns Rev. C | Page 4 of 24 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 TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION USING THE AD8318 BASIC CONNECTIONS ENABLE INTERFACE INPUT SIGNAL COUPLING OUTPUT INTERFACE SETPOINT INTERFACE TEMPERATURE COMPENSATION OF OUTPUT VOLTAGE TEMPERATURE SENSOR MEASUREMENT MODE DEVICE CALIBRATION AND ERROR CALCULATION SELECTING CALIBRATION POINTS TO IMPROVE ACCURACY OVER A REDUCED RANGE VARIATION IN TEMPERATURE DRIFT FROM DEVICE TO DEVICE TEMPERATURE DRIFT AT DIFFERENT TEMPERATURES SETTING THE OUTPUT SLOPE IN MEASUREMENT MODE RESPONSE TIME CAPABILITY OUTPUT FILTERING CONTROLLER MODE CHARACTERIZATION SETUP AND METHODS EVALUATION BOARD OUTLINE DIMENSIONS ORDERING GUIDE