RF6545 3.0V TO 3.6V, 2.4GHz FRONT END MODULE Features GND NC VBAT VBAT NC Package Style: QFN, 20-Pin, 3.5mmx3.5mmx0.5mm 15 14 13 12 11 GND 16 Tx Output Power=22dBm Integrated RF Front End Module with TX/RX switch, PA, filter, and DP2T switch. 50 single-ended bidirectional Transceiver interface. 10 VB GND 17 9 GND RF_COM 18 8 ANT1 7 GND 6 ANT2 GND 19 ANT TX_EN 20 3 4 5 GND 2 ANTEN2 1 ANTEN1 ZigBee® 802.15.4 Based Systems for Remote Monitoring and Control WiFi 802.11b/g 2.4GHz ISM band applications Smart Meters for Energy Management GND RX_EN Applications Functional Block Diagram Product Description The RF6545 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. It 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 3.5mm x 3.5mm x 0.5mm, 20 pin QFN package. Ordering Information RF6545SQ RF6545SR RF6545TR7 RF6545TR13 RF6545PCK-410 Standard 25 piece bag Standard 100 piece reel Standard 750 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. ©2006, RF Micro Devices, Inc. DS111110 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. 1 of 9 RF6545 Absolute Maximum Ratings Parameter DC Supply Voltage DC Supply Current Rating Unit 5.0 V 300 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 500 V ESD Charge Device Model All Pins Moisture Sensitivity Level 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. MSL 2 Maximum Input Power to PA Parameter 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. +10 Min. dBm Specification Typ. Max. Unit Condition Specifications must be met across supply voltage, control voltage, and temperature ranges unless otherwise specified. Overall VBATT 3.0 3.3 3.6 VDC Operating Temperature Range -40 +25 +85 °C ZO 50 Off Mode Current 1 A All logic low; VLOW 0.1V TX Path Frequency 2400 2483 MHz Input Return Loss 12 dB Output Return Loss 10 dB Transmit Path Gain 25 Gain Flatness -0.8 Rated Output Power 28 dB +0.8 22 dBm 20 Supply Current Thermal Resistance 200 mA PO =22dBm 802.15.4 OQPSK 170 mA PO =20dBm 802.15.4 OQPSK 66 3rd harmonic level 4:1 VSWR No Damage 8:1 Gain Settling Time 2 of 9 Nominal conditions dBm 2nd harmonic level VSWR Stability and Load dB 1 °C/W VCC = 3.6V, POUT = 22dBm, TREF = 85°C -42 dBm/MHz PO =20dBm -42 dBm/MHz PO =20dBm; VCC 3.3V 2 uS 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. DS111110 RF6545 Parameter Min. Specification Typ. Unit Max. Condition RX Path Frequency 2400 Insertion Loss/Noise Figure 2483 1.5 Gain Flatness -0.5 Input Return Loss 12 Output Return Loss 12 MHz 2.0 dB +0.5 dB 15 dB dB Antenna Switch RF-to-Control Isolation 50 RF-to-ANT Isolation 17 20 dB RF-to-RF Isolation 18 20 T/R Switching Time dB dB 1 s V Logic Level “HIGH” Input Voltage VCC -0.3 =VCC Logic Level “LOW” Input Voltage 0.0 +0.2 Input Source Current at Logic “HIGH” Switch Leakage Current at Logic “LOW” V 2 uA 0.1 uA Control Logic DS111110 Switch Control Logic TX_EN RX_EN ANT1_EN Tx, Antenna 1 High Low High ANT2_EN Low Tx, Antenna 2 High Low Low High Rx, Antenna 1 Low High High Low Rx, Antenna 2 Low High Low High All Off 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]. 3 of 9 RF6545 Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Function GND RX_EN V ANT1 V ANT2 GND ANT2 GND ANT1 GND VCC N/C VCC VCC GND GND GND GND RF_COM 19 20 GND TX_EN 4 of 9 Description Ground. Enable voltage for the LNA and receive switch. See logic table for operation. Control pin for Antenna 1 switch. See logic table for operation. Control pin for Antenna 2 switch. See logic table for operation. Ground. This is a common port (antenna). It is matched to 50 and DC block is provided internally. Ground. This is a common port (antenna). It is matched to 50 and DC block is provided internally. Ground. Voltage supply for PA 2nd stage. An external 1uF capacitor might be needed for low frequency decoupling. No connect. Voltage supply for PA 1st stage. An external 1uF capacitor might be needed for low frequency decoupling. Voltage supply (control circuitry). An external 1uF capacitor might be needed for low frequency decoupling. Ground. Ground. Ground. Ground. Bi-directional transmit/receive port for interfacing to TXVR SOIC. It is matched to 50 and DC block is provided internally. Ground. Enable voltage for the PA and transmit switch. See logic table for operation. 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. DS111110 RF6545 Package Drawing DS111110 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. 5 of 9 RF6545 Evaluation Board Schematic VCC C3 0.1uF L2 3nH C2 1.0uF GND GND N/C GND VCC2 GND GND RF_COM DF 21 ANT1 GND GND ANT2 GND VANT2 VANT1 GND RX_EN TX_EN GND 1 10 J3 ANT1 9 2 20 11 2 GND 12 19 VCC1 18 VCC3 1 13 J1 RF_COM GND GND 17 14 15 16 L1 1.8nH 8 GND 7 6 5 4 2 3 1 U1 RF6545 1 J2 ANT2 2 GND RX_EN VANT2 6 5 4 3 2 1 VCC GND VANT2 VANT1 RX_EN TX_EN P1 6 of 9 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. DS111110 RF6545 PCB Design Requirements PCB Surface Finish The PCB surface finish used for RFMD's qualification process is electroless nickel, immersion gold. Typical thickness is 3inch to 8inch gold over 180inch nickel. PCB Land Pattern Recommendation PCB land patterns for RFMD components are based on IPC-7351 standards and RFMD empirical data. The pad pattern shown has been developed and tested for optimized assembly at RFMD. The PCB land pattern has been developed to accommodate lead and package tolerances. Since surface mount processes vary from company to company, careful process development is recommended. PCB Metal Land and Solder Mask Pattern Thermal vias for center slug “C” should be incorporated into the PCB design. The number and size of thermal vias will depend on the application, the power dissipation, and this electrical requirements. Example of the number and size of vias can be found on the RFMD evaluation board layout. DS111110 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. 7 of 9 RF6545 RF6545 2.4 GHz Front End Module Input Power versus Output Power Input Power versus Output Power (Over Temperature @ 2441.5 MHz) Vcc = 3.3V; TX_EN = 3.0V Input Power versus Output Power Vcc = 3.3V; TX_EN = 3.0V 10 10 5 5 0 2400 MHz -10 2441.5 MHz -15 2483 MHz -20 Input Power (dBm) Input Power (dBm) 0 -5 -5 -10 -40 C -15 25 C 85 C -20 -25 -25 -30 -30 -35 -35 0 2 4 6 8 10 12 14 16 18 20 0 22 2 4 6 8 10 12 14 16 18 20 22 Output Power (dBm) Output Power (dBm) Gain versus Output Power Gain vs Output Power Vcc = 3.3V; TX_EN =3.0V Gain vs Output Power (Over Temperature @ 2441.5 MHz) Vcc = 3.3V; TX_EN = 3.0V 34 50 32 45 30 40 35 26 2400 MHz 24 2441.5 MHz 22 2483 MHz 20 Gain (dB) Gain (dB) 28 30 -40 C 25 25 C 20 85 C 15 18 16 10 14 5 12 0 0 2 4 6 8 10 12 14 Output Power (dBm) 8 of 9 16 18 20 22 0 2 4 6 8 10 12 14 16 18 20 22 Output Power (dBm) 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. DS111110 RF6545 RF6545 2.4 GHz Front End Module Operating Current versus Output Power Operating Current vs Output Power (Over Temperature @ 2441.5 MHz) Vcc = 3.3V; TX_EN = 3.0V Operating Current vs Output Power Vcc = 3.3V; TX_EN = 3.0V 0.25 0.2 0.15 2400 MHz 2441.5 MHz 2483 MHz 0.1 0.05 Operating Current (mA) Operating Current (mA) 0.25 0.2 0.15 -40 C 25 C 0.1 85 C 0.05 0 0 0 2 4 6 8 10 12 14 16 18 20 0 22 2 4 6 Output Power (dBm) 8 10 12 14 16 18 20 22 Output Power (dBm) TX S21 versus Frequency TX S21 vs Frequency (Over Temperature ) Vcc = 3.3V; TX_EN =3.0V 60 50 S21 (dB) 40 -40 C 30 25 C 85 C 20 10 0 2300 2441.5 2483 2500 Frequency (MHz) DS111110 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. 9 of 9