Datasheet AD8318 (Analog Devices) - 4

ManufacturerAnalog Devices
Description1 MHz TO 8 GHz, 70 dB Logarithmic Detector/Controller
Pages / Page24 / 4 — AD8318. Data Sheet. Parameter. Conditions. Min. Typ. Max. Unit
RevisionD
File Format / SizePDF / 2.9 Mb
Document LanguageEnglish

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 R = 51 Ω TADJ Input Impedance 119||0.7 Ω||pF ±3 dB Dynamic Range T = 25°C 70 dB A ±1 dB Dynamic Range T = 25°C 58 dB A −40°C < T < +85°C 42 dB A 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 P = −10 dBm 0.717 V IN Output Voltage—Low Power In P = −40 dBm 1.46 V IN Temperature Sensitivity P = −10 dBm IN 25°C ≤ T ≤ 85°C 0.0022 dB/°C A −40°C ≤ T ≤ +25°C 0.004 dB/°C A f = 5.8 GHz R = 1000 Ω TADJ Input Impedance 33||0.59 Ω||pF ±3 dB Dynamic Range T = 25°C 70 dB A ±1 dB Dynamic Range T = 25°C 57 dB A −40°C < T < +85°C 48 dB A 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 P = −10 dBm 0.86 V IN Output Voltage—Low Power In P = −40 dBm 1.59 V IN Temperature Sensitivity P = −10 dBm IN 25°C ≤ T ≤ 85°C 0.0033 dB/°C A −40°C ≤ T ≤ +25°C 0.0069 dB/°C A f = 8.0 GHz R = 500 Ω TADJ ±3 dB Dynamic Range T = 25°C 60 dB A −40°C < T < +85°C 58 dB A 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 P = −10 dBm 1.06 V IN Output Voltage—Low Power In P = −40 dBm 1.78 V IN Temperature Sensitivity P = −10 dBm IN 25°C ≤ T ≤ 85°C 0.028 dB/°C A −40°C ≤ T ≤ +25°C −0.0085 dB/°C A OUTPUT INTERFACE VOUT (Pin 6) Voltage Swing V = 0 V; P = −10 dBm, no load1 4.9 V SET IN V = 2.1 V; P = −10 dBm, no load1 25 mV SET IN Output Current Drive V = 1.5 V; P = −50 dBm 60 mA SET IN Small Signal Bandwidth P = −10 dBm; from CLPF to VOUT 60 MHz IN Video Bandwidth (or Envelope Bandwidth) 45 MHz Output Noise P = 2.2 GHz; −10 dBm, f = 100 kHz, C = 220 pF 90 nV/√Hz IN NOISE LPF Fall Time P = Off to −10 dBm, 90% to 10% 10 ns IN Rise Time P = −10 dBm to off, 10% to 90% 12 ns IN Rev. D | Page 4 of 24 Document Outline Features Applications Functional Block Diagram General Description 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