link to page 25 link to page 4 link to page 4 link to page 4 link to page 4 link to page 4 link to page 5 link to page 5 link to page 5 link to page 5 link to page 5 link to page 5 link to page 5 AD8311SPECIFICATIONS VPOS = 2.7 V, Frequency = 0.1 GHz, TA = 25°C, 52.3 Ω termination on RFIN, light condition = 600 lux, unless otherwise noted. Table 1. ParameterConditionsMinTypMaxUnit SPECIFIED FREQUENCY RANGE RFIN (Pin 6) 0.1 2.5 GHz MEASUREMENT MODE1 (f = 0.1 GHz) Input Impedance No termination resistor on RFIN 2140 || 1.97 Ω || pF 1 dB Dynamic Range TA = +25°C 47 dB −40°C < TA < +85°C 46 dB Maximum Input Level ±1 dB error +2 +2.6 dBm Minimum Input Level ±1 dB error −44.5 −44 dBm Slope2 21.5 23.8 25.5 mV/dB Intercept2 −66 −58.9 −51 dBm VSET Voltage—High Power In PIN = –10 dBm 1.16 V VSET Voltage—Low Power In PIN = –40 dBm 0.45 V Temperature Sensitivity PIN = –10 dBm 25C ≤ TA ≤ +85C −0.0020 dB/°C −40C ≤ TA ≤ +25°C +0.0121 dB/°C MEASUREMENT MODE (f = 0.9 GHz) Input Impedance No termination resistor on RFIN 370 || 1.58 Ω || pF 1 dB Dynamic Range TA = +25C 51 dB −40C < TA < +85C 50 dB Maximum Input Level ±1 dB error +2.8 dBm Minimum Input Level ±1 dB error −47.9 dBm Slope2 23.6 mV/dB Intercept2 −59.7 dBm VSET Voltage—High Power In PIN = –10 dBm 1.17 V VSET Voltage—Low Power In PIN = –40 dBm 0.46 V Temperature Sensitivity PIN = –10 dBm 25C ≤ TA ≤ +85C 0.0015 dB/°C −40C ≤ TA ≤ +25C 0.0094 dB/°C MEASUREMENT MODE (f = 1.9 GHz) Input Impedance No termination resistor on RFIN 180 || 1.67 Ω || pF 1 dB Dynamic Range TA = +25°C 42 dB −40°C < TA < +85°C 41 dB Maximum Input Level ±1 dB error −5.6 dBm Minimum Input Level ±1 dB error −48.0 dBm Slope2 22.7 mV/dB Intercept2 −60.8 dBm VSET Voltage—High Power In PIN = –10 dBm 1.15 V VSET Voltage—Low Power In PIN = –40 dBm 0.47 V Temperature Sensitivity PIN = –10 dBm 25°C ≤ TA ≤ +85°C 0.0056 dB/°C −40°C ≤ TA ≤ +25°C 0.0077 dB/°C Rev. A | Page 3 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION BASIC THEORY CONTROLLER-MODE LOG AMPS CONTROL LOOP DYNAMICS BASIC CONNECTIONS RANGE ON VSET AND RFIN TRANSIENT RESPONSE MOBILE HANDSET POWER CONTROL EXAMPLE POWER-ON AND POWER-OFF INPUT COUPLING OPTIONS TEMPERATURE DRIFT DEVICE CALIBRATION AND ERROR CALCULATION SELECTING CALIBRATION POINTS TO IMPROVE ACCURACY OVER A REDUCED RANGE DEVICE HANDLING EVALUATION BOARD OUTLINE DIMENSIONS ORDERING GUIDE