link to page 7 link to page 7 link to page 7 link to page 7 link to page 7 link to page 7 link to page 7 link to page 7 link to page 7 link to page 7 link to page 7 link to page 7 ADRF5549Data SheetPIN CONFIGURATION AND FUNCTION DESCRIPTIONSAAhAChChM-CCCNDERNDNDND DD1-CDD2-GTNIGGG VNINIV40393837363534333231GND 130 GNDGND 229 RxOUT-ChAANT-ChA 328 GNDGND 427 BP-ChASWCTRL-ChAB 5ADRF554926 PD-ChABTOP VIEWSWVDD-ChAB 625 NIC(Not to Scale)GND 724 BP-ChBANT-ChB 823 GNDGND 922 RxOUT-ChBGND 1021 GND11121314151617181920BCBCCBNDhNINDNDNDNINIGGGGChChM-C ERDD1-DD2-TVVNOTES 1. NIC = NOT INTERNALLY CONNECTED. IT IS RECOMMENDEDTO CONNECT NIC TO THE RF GROUND OF THE PCB. 002 2. EXPOSED PAD. THE EXPOSED PAD MUST BE CONNECTEDTO RF OR DC GROUND. 20828- Figure 2. Pin Configuration Table 4. Pin Function Descriptions Pin No.MnemonicDescription 1, 2, 4, 7, 9 to 11, 14 to 16, 21, 23, 28, 30, 35 to 37, 40 GND Ground. See Figure 3 for the interface schematic. 3 ANT-ChA RF Input to Channel A. 5 SWCTRL-ChAB Control Voltage for Switches on Channel A and Channel B. See Figure 7 for the interface schematic. 6 SWVDD-ChAB Supply Voltage for Switches on Channel A and Channel B. See Figure 7 for the interface schematic. 8 ANT-ChB RF Input to Channel B. 12 TERM-ChB Termination Output. This pin is the transmitter path for Channel B. 13, 18, 19, 25, 32, 33, 38 NIC Not Internally Connected. It is recommended to connect NIC to the RF ground of the PCB. 17 VDD1-ChB Supply Voltage for Stage 1 LNA on Channel B. See Figure 5 for the interface schematic. 20 VDD2-ChB Supply Voltage for Stage 2 LNA on Channel B. See Figure 5 for the interface schematic. 22 RxOUT-ChB RF Output. This pin is the receiver path for Channel B. See Figure 4 for the interface schematic. 24 BP-ChB Bypass Second Stage LNA of Channel B. See Figure 6 for the interface schematic. 26 PD-ChAB Power-Down All Stages of LNA for Channel A and Channel B. See Figure 6 for the interface schematic. 27 BP-ChA Bypass Second Stage LNA of Channel A. See Figure 6 for the interface schematic. 29 RxOUT-ChA RF Output. This pin is the receiver path for Channel A. See Figure 4 for the interface schematic. 31 VDD2-ChA Supply Voltage for Stage 2 LNA on Channel A. See Figure 5 for the interface schematic. 34 VDD1-ChA Supply Voltage for Stage 1 LNA on Channel A. See Figure 5 for the interface schematic. 39 TERM-ChA Termination Output. This pin is the transmitter path for Channel A. EPAD Exposed Pad. The exposed pad must be connected to RF or dc ground. Rev. A | Page 6 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