RFFM6401 3.3V to 4.0V, 450MHz to 470MHz Transmit/Receive Front End Module Wireless Automated Metering Wireless Alarm Systems Portable Battery Powered Equipment Smart Energy 433MHz/450MHz to 470MHz ISM Band Application Single Chip RF Front End Module VC_BIAS NC GND GND 23 22 GND GND 2 21 ANT RX 3 20 GND GND 4 19 C_RX GND 5 18 C_TX GND 6 17 GND TX 7 GND 8 9 10 11 12 13 14 GND Applications 24 GND 25 GND 26 GND Tx Output Power: 30dBm Tx Gain: 30dB Separate 50Ω Tx/Rx Transceiver Interface Rx Insertion Loss: 1dB 27 VReg 28 VCC Features 1 GND GND GND Package Style: LGA, 28-Pin, 5.5mm x 5.0mm 16 GND 15 GND Functional Block Diagram Product Description RFFM6401 is a front end module (FEM) intended for 433MHz to 470MHz AMI/AMR systems. This module provides separate ports for Rx and Tx paths. The Tx section provides a two stage PA with nominal output power of 30dBm and gain of 30dB. The Rx is a pass through. Both are combined to a single antenna port with a SP2T switch. The device is provided in a 5.5mm x 5.0mm, 28-pin package. Ordering Information RFFM6401 RFFM6401SB RFFM6401SR RFFM6401TR13 RFFM6401PCK-410 3.3V to 4.0V, 450MHz to 470MHz Front End Module 5-Piece Bag Standard 100-Piece Reel Standard 2500-Piece reel Fully Assembled Evaluation Board and 5-Piece Bag 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. ©2012, RF Micro Devices, Inc. DS130327 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. 1 of 7 RFFM6401 Absolute Maximum Ratings Parameter Rating Unit Supply Voltage +5 VDC DC Supply Current 800 mA PA input RF Power +10* dBm Operating Ambient Temperature -40 to +85 °C Storage Temperature -40 to +150 °C Moisture Sensitivity 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. MSL3 RFMD Green: RoHS compliant per EU Directive 2011/65/EU, 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. *Maximum PA Input RF Power with a 50Ω load. Nominal Operating Parameters Parameter Min. Specification Typ. Max. Unit Condition Overall Frequency 450 460 470 Battery Voltage 3.3 3.6 4.0 RF Port Impedance 0.5 ESD, HBM V VCC Ω 50 Total Leakage Current MHz 2.0 1000 μA VCC = 3.6V, VREG <= 50mV, CTX=CRX=50mV V RF Pins ESD, HBM 1000 V All Other Pins ESD, CDM 1000 V RF Pins ESD, CDM 1000 V All Other Pins Nominal Condition: Temperature= 25°C, VCC = 3.6V, VREG =2.8V, CTX= VCC -0.2V, Over Frequency unless otherwise noted Tx Section CW POUT Saturation 30 30.5 Large Signal Gain 30 32 2fo - 10fo Harmonic -65 Small Signal Input Return Loss 31 dBm -60 dBc -10 dB Transmit Current (Icc) 725 750 775 mA VREG 2.8 3.3 3.8 V 5.0 7.5 mA VREG Current Over Voltage, full temperature and Frequency dB VCC = 3.6V, POUT = 30dBm Rx Section 2.0 μA -1 -0.7 dB Large Signal Insertion Loss -1 -0.7 Input P0.1dB 23 Rx Current Small Signal Insertion Loss dB dBm Small Signal Input Return Loss -10 -8 dB Small Signal Output Return Loss -10 -8 dB 2 of 7 VCC = 3.6, VREG = 3.4V C_Tx = 0V, C_RX = 3.4V 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. DS130327 RFFM6401 Parameter Min. Specification Typ. Max. Unit Condition Antenna Switch Port Isolation -25 -20 Logic Voltage High 2.8 VCC -0.2 VCC Logic Voltage Low 0 0.05 0.2 V All Logic I/Os 1.5 5 μA All Logic I/Os Logic Current High dB Any used port to any unused port Truth Table Operating Mode DS130327 C_TX C_RX Tx - Ant 1 0 Rx - Ant 0 1 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. 3 of 7 RFFM6401 Pin Names and Descriptions 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 25 26 27 28 4 of 7 Name GND GND RX GND GND GND TX GND VCC Vreg GND GND GND GND GND GND GND C_TX C_RX GND ANT GND GND GND NC VC_BIAS GND GND Description Ground connection. Ground connection. Receive Port Ground connection. Ground connection. Ground connection. Transmit Port Ground connection. Power Amplifier Supply Voltage. Power Amplifier Bias Control Ground connection. Ground connection. Ground connection. Ground connection. Ground connection. Ground connection. Ground connection. Transmit Selection Control Line. Please see truth table for proper operation. Receive Selection Control Line. Please see truth table for proper operation Ground connection. This is a common port (antenna). It is matched to 50Ω and DC block is provided internally. Ground connection. Ground connection. Ground connection. No Internal Connection. First Stage PA Supply Voltage. Ground connection. Ground connection. 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. DS130327 RFFM6401 DS130327 VC_BIAS NC GND GND 1 GND GND GND Pin Out 28 27 26 25 24 23 22 GND 20 GND GND 4 19 C_RX GND 5 18 C_TX GND 6 17 GND TX 7 GND 8 9 10 11 12 13 14 GND 3 GND RX GND ANT GND 21 VReg 2 VCC GND 16 GND 15 GND 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. 5 of 7 RFFM6401 Package Drawing Recommended PCB Patterns 6 of 7 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. DS130327 RFFM6401 Evaluation Board Schematic VC_BIAS C4 DNI C3 DNI 28 J1 RX J2 TX 27 26 25 24 23 1 22 2 21 3 20 4 19 C_RX 5 18 C_TX 6 17 7 16 8 15 9 P1 1 J3 ANT L1 16 nH 10 11 12 13 14 VREG VC_BIAS 2 3 4 5 6 C2 180 pF VCC VREG C_TX C1 1.0 uF C_RX 7 HDR_1X7 DS130327 VCC 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. 7 of 7