link to page 1 link to page 1 link to page 1 link to page 1 link to page 2 link to page 3 link to page 3 link to page 5 link to page 5 link to page 5 link to page 6 link to page 7 link to page 8 link to page 8 link to page 12 link to page 13 link to page 13 link to page 13 link to page 14 link to page 15 link to page 15 ADRF5549Data SheetTABLE OF CONTENTS Features .. 1 Interface Schematics ...7 Applications .. 1 Typical Performance Characteristics ...8 General Description ... 1 Receive Operation ...8 Functional Block Diagram .. 1 Transmit Operation ... 12 Revision History ... 2 Theory of Operation .. 13 Specifications .. 3 Signal Path Select.. 13 Electrical Specifications ... 3 Biasing Sequence .. 13 Absolute Maximum Ratings ... 5 Applications Information ... 14 Thermal Resistance .. 5 Outline Dimensions ... 15 ESD Caution.. 5 Ordering Guide .. 15 Pin Configuration and Function Descriptions .. 6 REVISION HISTORY 6/2020—Rev. 0 to Rev. A Changes to Theory of Operation Section .. 13 Changes to Applications Information Section and Figure 28 ... 14 9/2019—Revision 0: Initial Version Rev. A | Page 2 of 15 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS INTERFACE SCHEMATICS TYPICAL PERFORMANCE CHARACTERISTICS RECEIVE OPERATION High Gain Mode Low Gain Mode TRANSMIT OPERATION THEORY OF OPERATION SIGNAL PATH SELECT Receive Operation BIASING SEQUENCE APPLICATIONS INFORMATION OUTLINE DIMENSIONS ORDERING GUIDE