RF6555 2.0V TO 3.6V, 2.4GHz FRONT END MODULE Package Style: Laminate 24-Pin 5mm x 5mm x 1mm Features Tx Output Power = 18dBm Integrated RF Front End Module with Rx Balun, PA, Filter, LNA with Bypass Mode, and DP2T Switch Single Bidirectional Differential Transceiver Interface. Voltage Range = 2.0V to 3.6V Applications ZigBee® 802.15.4 Based Systems for Remote Monitoring and Control AA Battery Operation 2.4GHz ISM Band Applications Smart Meters for Energy Management Functional Block Diagram Product Description The RF6555 integrates a complete solution in a single Front End Module (FEM) for WiFi and ZigBee® applications in the 2.4GHz to 2.5GHz band. This FEM integrates the PA plus harmonic filter in the transmit path. The RF6555 also has an integrated LNA with bypass mode internally. The RF6555 provides a single balanced TDD access for Rx and Tx paths along with two ports on the output for connecting a diversity solution or a test port. The device is provided in a 5mm x 5mm x 1mm, 24pin laminate package. Ordering Information RF6555 RF6555SQ RF6555SR RF6555TR13 RF6555PCK-410 3.3V Front End Module for AMR systems in the 2.4GHz to 2.5GHz Band Standard 25 piece bag Standard 100 piece reel Standard 2500 piece reel Fully assembled evaluation board and 5 loose pieces Optimum Technology Matching® Applied GaAs HBT GaAs MESFET InGaP HBT SiGe BiCMOS Si BiCMOS SiGe HBT GaAs pHEMT Si CMOS Si BJT GaN HEMT BiFET HBT LDMOS RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trademark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. ©2011, RF Micro Devices, Inc. DS120726 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. 1 of 10 RF6555 Absolute Maximum Ratings Parameter Rating Unit DC Supply Voltage 4.0 V DC Supply Current 150 mA Operating Case Temperature -40 to +85 °C Storage Temperature -40 to +150 °C ESD Human Body Model RF Pins 1000 V ESD Human Body Model All Other Pins 500 V ESD Charge Device Model All Pins 500 V Moisture Sensitivity Level MSL 2 Maximum Tx Input Power +5 dBm Maximum Rx Input Power +8 dBm Parameter Min. Specification Typ. Max. Caution! ESD sensitive device. Exceeding any one or a combination of the Absolute Maximum Rating conditions may cause permanent damage to the device. Extended application of Absolute Maximum Rating conditions to the device may reduce device reliability. Specified typical performance or functional operation of the device under Absolute Maximum Rating conditions is not implied. The information in this publication is believed to be accurate and reliable. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents, or other rights of third parties, resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. RFMD Green: RoHS compliant per EU Directive 2002/95/EC, halogen free per IEC 61249-2-21, < 1000ppm each of antimony trioxide in polymeric materials and red phosphorus as a flame retardant, and <2% antimony in solder. Unit Specifications must be met across supply voltage, control voltage, and temperature ranges unless otherwise specified. Overall VBATT 2.0 3.0 3.6 VDC Operating Temperature Range -40 +25 +85 °C 1 A +150 °C ZO 50 Off Mode Current 0.5 Storage Temperature Condition -40 All logic low, Temp = 25°C; Over Voltage. ESD, HBM 1000 V RF pins ESD, HBM 500 V All other pins 500 V All pins ESD, CDM MSL MSL3 Current Sourced through CT Pin 18 mA Voltage Drop from CT Pin to RXP/RXN 0.1 V 2480 MHz Tx Path Frequency 2405 Input Return Loss 10 dB Output Return Loss 10 dB Gain 22 25 21 +0.8 Pins 5, 6 (RFN, RFP) 100 differential dB 2.7V to 3.6V. dB VCC = 2.0V; Temp = 25°C Gain Flatness -0.8 Rated Output Power 18 dBm Nominal conditions (VB =3.0 to 3.6, All Temp) 16 dBm Nominal conditions (VB =2.7, All Temp) dBm Nominal conditions (VB =2.0, All Temp) 14 Supply Current 70 dB 100 mA Thermal Resistance 78 Harmonics 2fo to 5fo -45 -42 dBm/MHz 1 10 S VSWR Stability and Load 4:1 VSWR No Damage 8:1 Gain Settling Time 2 of 10 °C/W PO =18dBm 802.15.4 OQPSK VCC = 3.0V, POUT = 18dBm, TREF = 85°C At 18dBm, VCC = 3.0V to 3.6V 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. DS120726 RF6555 Parameter Min. Specification Typ. Max. Unit Condition Rx Path Frequency 2405 Gain 8.5 11 Noise Figure 3 Current 8 IIP3 2480 MHz 13 dB dB Temp = 25°C; over voltage and frequency. 12 mA Nominal conditions 7 dBm Gain Flatness -0.5 Input Return Loss 10 Output Return Loss 10 Amplitude Imbalance -1 +1 Phase Imbalance -15 +15 Maximum Input Power +0.5 15 dB dB dB 5 PIns 5, 6 (RFN, RFP) 100 differential dB dB dBm Bypass Mode Frequency 2405 Insertion Loss/Noise Figure 5 2480 MHz 6.5 dB Current 50 A IIP3 23 dBm Gain Flatness -0.5 Input Return Loss 10 +0.5 Output Return Loss 10 Amplitude Imbalance -1 +1 Phase Imbalance -15 +15 Maximum Input Power 10 12 SW 1dB, Bypass 2.5dB, Balun 1.5dB dB dB dB Pins 5, 6 (RFN, RFP) 100 differential dB dB dBm Logic Logic Level “HIGH” Input Voltage VBATT -0.2 VBATT V Logic Level “LOW” Input Voltage 0.0 0.2 V 10 A 1 A Input Source Current at Logic “HIGH” 5 Switch Leakage Current at Logic “LOW” Antenna Switch RF to Control Isolation 50 ANT1 to ANT2 Isolation 20 T/R Switching Time DS120726 dB dB 1 s 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. 3 of 10 RF6555 Control Logic 4 of 10 Mode CE C_RX_TX C_LNA ANTSEL TX-ANT1 High High Low Low TX-ANT2 High High Low High RX-ANT1 LNA High Low Low Low RX-ANT1 BYP High Low High Low RX-ANT2 LNA High Low Low High RX-ANT2 BYP High Low High High Power Down Low Low Low Low 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. DS120726 RF6555 Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 DS120726 Function GND CE GND CT RFN RFP GND VCC_DIG GND VCC_PA N/C GND GND GND ANT1 GND ANT2 GND GND ANTSEL N/C VCC_LNA C_LNA C_RX_TX Description Ground. Control voltage pin for chip enable. See logic table. Ground. Center tap for passing DC voltage to RFN/RFP pins that connect to the TXVR SoIC. Differential bi-directional RF port. Matched to 50 single-ended, 100 differential. Differential bi-directional RF port. Matched to 50 single-ended, 100 differential. Ground. Voltage supply pin for digital logic circuitry. Ground. Voltage supply pin for Tx power amplifier. Not connected. Ground. Ground. Ground. Antenna port 1. Match to 50 and DC blocked internally. Ground. Antenna port 2. Matched to 50 and DC blocked internally. Ground. Ground. Control pin for antenna selection. See logic table. Not connected. Voltage supply pin for Rx low noise amplifier. Control voltage for pin for LNA/bypass modes. See logic table. Control voltage pin for Tx/Rx modes. See logic table. 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. 5 of 10 RF6555 Package Drawing 6 of 10 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. DS120726 RF6555 PCB Design Requirements Thermal vias for center slug “D” should be incorporated into the PCB design. The number and size of thermal vias will depend on the application, power dissipation and electrical requirements. Example of the number and size of vias can be found on the RFMD evaluation board layout (gerber files are available upon request). DS120726 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. 7 of 10 RF6555 Evaluation Board Schematic C_LNA P1 1 2 3 4 5 6 VCC C_Rx_Tx GND ANT_SEL VCC C_LNA C_Rx_Tx CE 24 HDR_1X6 CE 23 22 ANT SEL 21 20 1 19 2 18 3 17 P2 1 CT HDR_1X1 4 U2 4 50strip 5 15 50strip 6 14 7 13 3 BALUN 5 8 2 2450MHz 6 50- 100 1 U1 RF6555 CT 50strip 9 10 50strip J3 ANT2 50strip J2 ANT1 16 11 12 J1 RF_COM C1 0.1F (0402) VCC 8 of 10 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. DS120726 RF6555 RF6555 2.4 GHz Front End Module DS120726 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. 9 of 10 RF6555 RF6555 Evaluation Board Layout Board Size 1.5” x 1.5” Board Thickness 0.032” +/-10% Board Material FR-4; Multi-Layer 10 of 10 TopLayer MidLayer1 MidLayer2 BottomLayer 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. DS120726