AD8311PIN CONFIGURATION AND FUNCTION DESCRIPTIONSBUMP 1 INDICATORVPOS16RFINVAPC25COMMVSET34FLTRTOP VIEWNot to Scale 05545-002 Figure 2. Pin Configuration Table 3. Pin Function Descriptions Pin No.MnemonicFunction 1 VPOS Positive Supply Voltage: 2.7 V to 5.5 V. 2 VAPC Output. Control voltage for gain control element. 3 VSET Setpoint Input. Nominal input range 0.25 V to 1.4 V. 4 FLTR Integrator Capacitor. Connect between FLTR and COMM. 5 COMM Device Common (Ground). 6 RFIN RF Input. Rev. A | Page 6 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