Datasheet AD8318 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | 1 MHz TO 8 GHz, 70 dB Logarithmic Detector/Controller |
| Pages / Page | 25 / 4 — Data Sheet. AD8318. SPECIFICATIONS. Table 1. Parameter. Conditions. Min. … |
| Revision | D |
| File Format / Size | PDF / 2.2 Mb |
| Document Language | English |
Data Sheet. AD8318. SPECIFICATIONS. Table 1. Parameter. Conditions. Min. Typ. Max. Unit
Text Version of Document
Data Sheet AD8318 SPECIFICATIONS
VPOS = 5 V, CLPF = 220 pF, TA = 25°C, 52.3 Ω termination resistor at INHI, unless otherwise noted.
Table 1. Parameter Conditions Min Typ Max Unit
SIGNAL INPUT INTERFACE INHI (Pin 14) and INLO (Pin 15) Specified Frequency Range 0.001 8 GHz DC Common-Mode Voltage VPOS – 1.8 V MEASUREMENT MODE VOUT (Pin 6) shorted to VSET (Pin 7), sinusoidal input signal f = 900 MHz RTADJ = 500 Ω Input Impedance 957||0.71 Ω||pF ±3 dB Dynamic Range TA = 25°C 65 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 −26 −24.5 −23 mV/dB Intercept 19.5 22 24 dBm Output Voltage—High Power In PIN = −10 dBm 0.7 0.78 0.86 V Output Voltage—Low Power In PIN = −40 dBm 1.42 1.52 1.62 V Temperature Sensitivity PIN = −10 dBm 25°C ≤ TA ≤85°C 0.0011 dB/°C −40°C ≤ TA ≤ +25°C 0.003 dB/°C f = 1.9 GHz RTADJ = 500 Ω Input Impedance 523||0.68 Ω||pF ±3 dB Dynamic Range TA = 25°C 65 dB ±1 dB Dynamic Range TA = 25°C 57 dB −40°C < TA < +85°C 50 dB Maximum Input Level ±1 dB error −2 dBm Minimum Input Level ±1 dB error −59 dBm Slope −27 −24.4 −22 mV/dB Intercept 17 20.4 24 dBm Output Voltage—High Power In PIN = −10 dBm 0.63 0.73 0.83 V Output Voltage—Low Power In PIN = −35 dBm 1.2 1.35 1.5 V Temperature Sensitivity PIN = –10 dBm 25°C ≤ TA ≤ 85°C 0.0011 dB/°C −40°C ≤ TA ≤ +5°C 0.0072 dB/°C f = 2.2 GHz RTADJ = 500 Ω Input Impedance 391||0.66 Ω||pF ±3 dB Dynamic Range TA = 25°C 65 dB ±1 dB Dynamic Range TA = 25°C 58 dB −40°C < TA < +85°C 50 dB Maximum Input Level ±1 dB error −2 dBm Minimum Input Level ±1 dB error −60 dBm Slope −28 −24.4 −21.5 mV/dB Intercept 15 19.6 25 dBm Output Voltage—High Power In PIN = −10 dBm 0.63 0.73 0.84 V Output Voltage—Low Power In PIN = −35 dBm 1.2 1.34 1.5 V Temperature Sensitivity PIN = −10 dBm 25°C ≤ TA ≤ 85°C −0.0005 dB/°C −40°C ≤ TA ≤ +25°C 0.0062 dB/°C Rev. C | Page 3 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
VPOS = 5 V, CLPF = 220 pF, TA = 25°C, 52.3 Ω termination resistor at INHI, unless otherwise noted.
Table 1. Parameter Conditions Min Typ Max Unit
SIGNAL INPUT INTERFACE INHI (Pin 14) and INLO (Pin 15) Specified Frequency Range 0.001 8 GHz DC Common-Mode Voltage VPOS – 1.8 V MEASUREMENT MODE VOUT (Pin 6) shorted to VSET (Pin 7), sinusoidal input signal f = 900 MHz RTADJ = 500 Ω Input Impedance 957||0.71 Ω||pF ±3 dB Dynamic Range TA = 25°C 65 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 −26 −24.5 −23 mV/dB Intercept 19.5 22 24 dBm Output Voltage—High Power In PIN = −10 dBm 0.7 0.78 0.86 V Output Voltage—Low Power In PIN = −40 dBm 1.42 1.52 1.62 V Temperature Sensitivity PIN = −10 dBm 25°C ≤ TA ≤85°C 0.0011 dB/°C −40°C ≤ TA ≤ +25°C 0.003 dB/°C f = 1.9 GHz RTADJ = 500 Ω Input Impedance 523||0.68 Ω||pF ±3 dB Dynamic Range TA = 25°C 65 dB ±1 dB Dynamic Range TA = 25°C 57 dB −40°C < TA < +85°C 50 dB Maximum Input Level ±1 dB error −2 dBm Minimum Input Level ±1 dB error −59 dBm Slope −27 −24.4 −22 mV/dB Intercept 17 20.4 24 dBm Output Voltage—High Power In PIN = −10 dBm 0.63 0.73 0.83 V Output Voltage—Low Power In PIN = −35 dBm 1.2 1.35 1.5 V Temperature Sensitivity PIN = –10 dBm 25°C ≤ TA ≤ 85°C 0.0011 dB/°C −40°C ≤ TA ≤ +5°C 0.0072 dB/°C f = 2.2 GHz RTADJ = 500 Ω Input Impedance 391||0.66 Ω||pF ±3 dB Dynamic Range TA = 25°C 65 dB ±1 dB Dynamic Range TA = 25°C 58 dB −40°C < TA < +85°C 50 dB Maximum Input Level ±1 dB error −2 dBm Minimum Input Level ±1 dB error −60 dBm Slope −28 −24.4 −21.5 mV/dB Intercept 15 19.6 25 dBm Output Voltage—High Power In PIN = −10 dBm 0.63 0.73 0.84 V Output Voltage—Low Power In PIN = −35 dBm 1.2 1.34 1.5 V Temperature Sensitivity PIN = −10 dBm 25°C ≤ TA ≤ 85°C −0.0005 dB/°C −40°C ≤ TA ≤ +25°C 0.0062 dB/°C Rev. C | Page 3 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
