Datasheet AD8319 (Analog Devices) - 5

FabricanteAnalog Devices
Descripción1 MHz TO 10 GHz, 40 dB Log Detector / Controller
Páginas / Página20 / 5 — AD8319. Data Sheet. Parameter. Conditions. Min. Typ. Max. Unit
RevisiónD
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AD8319. Data Sheet. Parameter. Conditions. Min. Typ. Max. Unit

AD8319 Data Sheet Parameter Conditions Min Typ Max Unit

Versión de texto del documento

AD8319 Data Sheet Parameter Conditions Min Typ Max Unit
f = 5.8 GHz RTADJ = 500 Ω Input Impedance 110||0.05 Ω||pF ±1 dB Dynamic Range TA = 25°C 40 dB −40°C < TA < +85°C 40 dB Maximum Input Level ±1 dB error −3 dBm Minimum Input Level ±1 dB error −43 dBm Slope1 −22 mV/dB Intercept1 15 dBm Output Voltage: High Power In PIN = −10 dBm 0.57 V Output Voltage: Low Power In PIN = −40 dBm 1.25 V f = 8.0 GHz RTADJ = open Input Impedance 28||0.79 Ω||pF ±1 dB Dynamic Range TA = 25°C 40 dB −40°C < TA < +85°C 31 dB Maximum Input Level ±1 dB error −1 dBm Minimum Input Level ±1 dB error −41 dBm Slope2 −22 mV/dB Intercept2 20 dBm Output Voltage: High Power In PIN = −10 dBm 0.67 V Output Voltage: Low Power In PIN = −40 dBm 1.34 V OUTPUT INTERFACE VOUT (Pin 5) Voltage Swing VSET = 0 V; RFIN = open VPOS − 0.1 V VSET = 1.5 V; RFIN = open 10 mV Output Current Drive VSET = 0 V; RFIN = open 10 mA Small Signal Bandwidth RFIN = −10 dBm; from CLPF to VOUT 140 MHz Output Noise RFIN = 2.2 GHz, −10 dBm, fNOISE = 100 kHz, 90 nV/√Hz CLPF = open Fall Time Input level = no signal to −10 dBm, 90% to 10%; 18 ns CLPF = 8 pF Input level = no signal to −10 dBm, 90% to 10%; 6 ns CLPF = open; ROUT = 150 Ω Rise Time Input level = −10 dBm to no signal, 10% to 90%; 20 ns CLPF = 8 pF Input level = −10 dBm to no signal, 10% to 90%; 10 ns CLPF = open; ROUT = 150 Ω Video Bandwidth (or Envelope Bandwidth) 50 MHz VSET INTERFACE VSET (Pin 4) Nominal Input Range RFIN = 0 dBm; measurement mode 0.35 V RFIN = −40 dBm; measurement mode 1.23 V Logarithmic Scale Factor −45 dB/V Input Resistance RFIN = −20 dBm; controller mode; VSET = 1 V 40 kΩ TADJ INTERFACE TADJ (Pin 6) Input Resistance TADJ = 0.9 V, sourcing 50 µA 40 kΩ Disable Threshold Voltage TADJ = open VPOS − 0.4 V POWER INTERFACE VPOS (Pin 7) Supply Voltage 3.0 5.5 V Quiescent Current 18 22 30 mA vs. Temperature −40°C ≤ TA ≤ +85°C 60 µA/°C Disable Current TADJ = VPOS 200 µA 1 Slope and intercept are determined by calculating the best fit line between the power levels of −40 dBm and −10 dBm at the specified input frequency. 2 Slope and intercept are determined by calculating the best fit line between the power levels of −34 dBm and −16 dBm at 8.0 GHz. Rev. D | Page 4 of 19 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 AD8319 BASIC CONNECTIONS INPUT SIGNAL COUPLING OUTPUT INTERFACE SETPOINT INTERFACE TEMPERATURE COMPENSATION OF OUTPUT VOLTAGE MEASUREMENT MODE SETTING THE OUTPUT SLOPE IN MEASUREMENT MODE CONTROLLER MODE OUTPUT FILTERING OPERATION BEYOND 8 GHz EVALUATION BOARD OUTLINE DIMENSIONS ORDERING GUIDE