RFFM6906 RFFM6906 3.1V to 4.0V, 915MHz Transmit/Receive Module This module is intended for 868MHz and 915MHz AMR solutions. The FEM provides separate ports for Rx/Tx paths, single-ended Tx and single-ended Rx or Rx differential port, 12dB gain single stage LNA, and single port antenna connection. The PA section provides a nominal output power of 30dBm. The device is provided in a 5.5mm x 5.0mm, 28-pin package. GND ASW_RX GND BAL_IN ANT2 GND 1 GND GND 28 27 26 25 24 23 22 GND 2 21 TX GND 3 20 GND ANT1 4 19 GND 5 GND 6 C_ANT 7 GND 8 13 14 Features ■ Tx Output Power: 30dBm ■ Separate 50Ω Tx/Rx Transceiver Interface ■ Optional 75Ω Rx Differential Transceiver Interface ■ Rx Gain: 12dB Applications ■ Wireless Automated Metering RXP ■ Wireless Alarm Systems 18 RXN ■ Portable Battery Powered Equipment 17 GND ■ Smart Energy 16 GND ■ 868MHz/900MHz ISM Band Application 15 GND ■ Single Chip RF Front End Module BALUN 12 GND VREG VCC_PA 11 C_RX C_TX 10 VCC 9 Package: LGA, 28-pin, 5.5mm x 5.0mm Functional Block Diagram Ordering Information RFFM6906SB Standard 5-piece bag RFFM6906SQ Standard 25-piece bag RFFM6906SR Standard 100-piece reel RFFM6906TR13 Standard 2500-piece reel RFFM6906PCBA-410 Fully assembled evaluation board RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected]. DS150129 RF MICRO DEVICES® and RFMD® 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. ©2013, RF Micro Devices, Inc. 1 of 7 RFFM6906 Absolute Maximum Ratings Parameter Rating Unit 5.5 V Operating Temperature -40 to 85 °C Storage Temperature -40 to 150 °C Battery Voltage ESD, HBM (all pins) 500 V ESD, CDM (all pins) 500 V MSL Caution! ESD sensitive device. RFMD Green: RoHS status based on EU Directive 2011/65/EU (at time of this document revision), 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 3 Maximum Input Power to PA +20 dBm 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. Nominal Operating Parameters Specification Parameter Frequency Unit Condition Min Typ 865 902 to 928 MHz 50 Ω Single-ended 75 Ω Balanced; RX_P and RX_N 2 µA VBATT = 3.1V/3.6V/4V, VREG = 0V, C_TX = 0V, C_RX = 0V RF Port Impedance Total Leakage Current Max VCC = 3.6V, VREG = 3.4V, C_TX = 3.4V, C_RX = 0V, Temperature = 25°C; POUT = 30dBm. Unless otherwise specified. PA Section CW POUT Saturation 30 31 Large Signal Gain 24 32 dBm 27 dB Thermal Resistance 41 °C/W 2Fo -40 3Fo to 10Fo -70 -75 Input Return Loss Quiescent Current VREG Current dBc Fo = 865MHz dBc Fo = 902MHz to 928MHz dB 3.6 4.0 V 700 850 mA 140 3.1 dBc dB 10 3.3 Operating Current VREG -72 10 Output Return Loss Battery Voltage -35 mA 3.4 3.8 V 1.5 2 mA VCC No RF VCC to 0.2V VCC = 3.6V, VREG = 0V, C_TX = 0V, C_RX = 3.4V, Temperature = 25°C; Unless otherwise specified RX Switch Section Insertion Loss 1.5 Input Return Loss 10 12 Output Return Loss 10 12 Power Limiter VCC = 3.6V, VREG = 3.4V, C_TX = 3.4V, C_RX = 0V, TREF = 85°C, POUT = 30dBm 1.7 dB ANT1/ANT2 to ASW_RX dB dBm 10 dBm ASW_RX Port RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected]. DS150129 The information in this publication is believed to be accurate. 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. 2 of 7 RFFM6906 Specification Parameter Unit Min Typ Condition Max VCC = 3.6V, VREG = 0V, C_TX = 0V, C_RX = 3.4V, Temperature = 25°C; Unless otherwise specified RX LNA Section RX Gain 12 Noise Figure 14 16 dB 2.0 2.2 dB 75Ω Balanced Input IP3 1 3 dBm Input Return Loss 10 12 dB 50Ω Single-ended Output Return Loss 10 12 dB 75Ω Balanced LNA Current 6 8 10 dB Any used port to any unused port 3.4 3.8 V All Logic I/Os, VBAT to 0.2V 0.2 V All Logic I/Os 10 mA All Logic I/Os mA All Logic I/Os mA Antenna Switch Section Isolation 20 Logic Voltage, High 3.1 Logic Voltage, Low 0.0 Logic Current, High 5 Logic Current, Low 0.4 Module Logic Truth Table Operating Mode C_TX C_RX C_ANT VREG TX-ANT1 1 0 0 3.4V TX-ANT2 1 0 1 3.4V RX-ANT1 0 1 0 0V RX-ANT2 0 1 1 0V All Off 0 0 0 0V Notes: 1. Switch Control Logic High = Min 3.1V to Max 3.8V 2. Switch Control Logic Low = Min 0.0V to Max 0.4V RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected]. DS150129 The information in this publication is believed to be accurate. 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. 3 of 7 RFFM6906 Application Schematic J3 ASΩ RX 28 J6 ANT 2 J1 ANT 1 27 26 25 J4 BAL IN 24 23 1 22 2 21 3 20 4 19 J2 TX J5 RX_P Differential Pair 75Ω C_ANT 5 18 6 17 7 16 8 8 C_ANT 7 C_TX 6 C_RX 5 VREG 3 1 C_TX 10 11 C_RX 12 13 14 VREG L1 10nH C2 180pF 4 2 15 9 P1 J2 RX_N VCC C1 1.0μF HDR_1X7 RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected]. DS150129 The information in this publication is believed to be accurate. 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. 4 of 7 RFFM6906 Pin Out GND ASW_RX GND BAL_IN ANT2 GND 1 GND GND 28 27 26 25 24 23 22 GND 2 21 TX RXP RXN 5 18 GND GND 6 17 GND C_ANT 7 16 GND GND 8 15 GND 9 10 11 12 13 14 VCC_PA 19 VREG 4 GND GND C_RX 20 VCC 3 C_TX GND ANT1 Package Drawing RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected]. DS150129 The information in this publication is believed to be accurate. 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. 5 of 7 RFFM6906 PCB Patterns RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected]. DS150129 The information in this publication is believed to be accurate. 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. 6 of 7 RFFM6906 Pin Names and Descriptions Pin Name Description 1 GND Ground 2 ANT2 Antenna 2 Connect Port 3 GND Ground 4 ANT1 Antenna 1 Connect Port 5 GND Ground 6 GND Ground 7 C_ANT 8 GND Ground 9 C_TX Transmit Selection Control Line 10 VCC Supply Voltage 11 C_RX Receive Selection Control Line 12 GND Ground 13 VREG Power Amplifier Bias Control. VCC - 0.2V = ON, 0V = OFF 14 VCC_PA 15 GND Ground 16 GND Ground 17 GND Ground 18 RXN Receive Port Negative 19 RXP Receive Port Positive 20 GND Ground 21 TX 22 GND 23 BAL_IN Antenna Selection Control Line Power Amplifier Supply Voltage Transmit Port Ground Input to Balun 24 GND 25 ASW_RX Ground 26 GND Ground 27 GND Ground 28 GND Ground Antenna Switched Rx Output RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected]. DS150129 The information in this publication is believed to be accurate. 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. 7 of 7