RF5540 RF5540 4.9GHz to 5.85 GHz Switch and LNA Front End Solution 4.9GHz TO 5.85GHz SWITCH AND LNA FRONT END SOLUTION Features TX_IN GND 10 GND 1 9 NC ANT 2 8 RX_Out GND 3 7 NC Single Supply Voltage 2.7V to 4.8V IEEE802.11a WiFi Applications Consumer Electronics Mobile Devices Gaming General Purpose Switch and LNA Solution for 4.9GHz to 5.85GHz Frequency Range 4 5 6 Vdd Integrated 5GHz LNA With Bypass and SPDT Applications 11 GND 12 LNA_EN C_TX/RX Package: QFN, 12-Pin, 2.0mmx2.0mmx0.5mm Functional Block Diagram Product Description The RF5540 is designed specifically for high-performance WiFi applications in the 5GHz ISM band. This module integrates the LNA with bypass and an SPDT switch of a Front End solution. The integrated input and output match reduces the number of external components keeping cost down and utilizing minimum layout area for implementation. The RF5540 is provided in a 2mmx2mmx0.5mm, 12-pin QFN package. This LNA + Switch front-end solution meets or exceeds the specification requirements of IEEE 802.11a RF systems. Ordering Information RF5540SB RF5540SQ RF5540SR RF5540TR7 RF5540PCK-410 5-Piece Bag 25-Piece Bag Standard 100-Piece Bag Standard 2500-Piece Reel Fully Assembled Evaluation Board and 5 Loose Sample 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. DS130128 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 RF5540 Absolute Maximum Ratings Parameter Rating Unit 5.5 V Operating Temperature Range -40 to +85 °C Storage Temperature -40 to +150 °C ESD - Human Body Model 500 V ESD - CDM 1000 V 5 dBm DC Supply Voltage LNA Input Power (No Damage) Moisture Sensitivity 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. 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. MSL2 Min. Specification Typ. Max. Unit Condition IEEE802.11a, FCC CFR 15.247, .205, .209, EN and JDEC, VDD =2.7 to 4.2V, LNA_EN=2.5 to VDD -0.2V, Temp=-15°C to +75°C, Freq=4.9GHz to 5.85GHz, unless otherwise noted. Compliance Receive Parameters Frequency 4.90 5.85 GHz LNA Voltage Supply (VDD) 2.7 3.6 4.2 V 2.5 3.3 VDD - 0.2 V 0.2 V LNA Enable Voltage (LNA-EN) LNA Enabled LNA Off 0 LNA_EN off turns bypass switch ON Switch Control Logic Low High 2.5 0 0.2 V 3.3 VDD - 0.2 V 17 22 mA LNA in “ON” State 29 mA Extended temp range, -40 to +85C, input drive level -5Bm LNA in “OFF” State LNA Current LNA VDD 0 5 LNA_EN Current 30 uA 500 uA Extended temp range -40C to +85C 1 mA LNA in “ON” State 100 uA LNA in “OFF” State 600 uA Extended temp range -40C to +85C Includes temp range -40C to +85C Gain WiFi RX 11 16 20 dB Bypass Mode -13 -9 -7 dB Includes temp range -40C to +85C 2.4 3.2 dB VDD >3.0V, including switch 3.4 dB Extended temp range -40C to +85C -1.3 +1.3 dB 5.10GHz to 5.85GHz -0.8 +0.8 dB 4.9GHz to 5.1GHz -0.8 +0.8 dB Noise Figure Passband Ripple WiFi RX Mode WiFi RX Bypass Mode WiFi RX Port Return Loss 10 dB IP1dB -7 dBm -10 dBm 3 dBm 0 dBm IIP3 2 of 7 Extended temp range -40C to +85C Extended temp range -40C to +85C 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. DS130128 RF5540 Parameter Min. Specification Typ. Max. Unit IEEE 802.11a, FCC CFR 15.247, .205, .209, EN and JDEC, Control voltage=2.5 to 4.8V, Temp=15°C to +75°C, Freq=4.9GHz to 5.85GHz, unless otherwise noted Transmit Switch Parameters Frequency Condition 4.90 Insertion Loss 5.85 1 Passband Ripple -0.2 Input P1dB 25 GHz 1.8 dB Includes temp range -40 to +85C +0.2 dB Over all conditions dBm Switch ports only, over all conditions 23 dBm Extended temp range -40C to +85C; CW signal Input Power 18 dBm System EVM=0.5% assumed for the incoming signal; 18dbm at the input with 1% composite EVM at the output. Input Return Loss 9.6 12 dB Output Return Loss 8.5 12 dB Over all conditions 50 All RF ports tuned for 50 system Port Impedance Tuning 30 Over all conditions Isolation TX to RX 20 dB TX DC mode, path ANT to RX, over all conditions Isolation RX to TX 20 dB WiFi RX Bypass Mode, path ANT-TX, over all conditions 50 uA Per control line, over all conditions 100 uA 150 nsec Switch Control Current Switch Control Speed DS130128 35 75 Extended temp range -40C to +85C Over all conditions 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 RF5540 Pin 1 2 3 4 5 6 7 8 9 10 11 12 Function GND ANT GND LNA_EN GND VDD NC RX_OUT NC GND TX_IN C_TX/RX Description Ground. This is the common port (antenna). Matched to 50. External DC blocking capacitor required. Ground. LNA Enable/Bypass Enable control pin. See switch truth table for proper settings. Ground. Supply voltage to the LNA. No Board Connection Allowed. Receive port for 802.11a/n band. RX output includes integrated DC-block and 50 match. No Board Connection Allowed. Ground. Transmit port for 802.11a/n band. Matched to 50. External DC blocking capacitor required. Transmit and receive mode control pin. See switch truth table for proper settings. C_TX/RX TX_IN GND Pin Out 12 11 10 NC ANT 2 8 RX_Out GND 3 7 NC 4 5 6 Vdd 9 GND 1 LNA_EN GND Switch Logic Truth Table: Mode 4 of 7 C_TX/RX LNA_EN RX Gain L RX Bypass L H L TX H L 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. DS130128 RF5540 Package Drawing DS130128 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 RF5540 PCB Pattern A = 0.350 x 0.502 (mm) Typ B = 0.502 x 0.350 (mm) Typ C = 0.350 x 0.502 (mm) 60% Rounded Rectangle D = 0.502 x 0.350 (mm) 60% Rounded Rectangle E = 1.150 x 1.150 (mm) 2x 0.500 2x 0.500 D 3x 0.926 D B 0.000 B D 2x 0.500 D C A C C 3x 0.926 A C D 2x 0.500 B 0.000 D 2x 0.500 3x 0.926 PCB STENCIL PATTERN PCB SOLDER MASK PATTERN PCB METAL PATTERN E 3x 0.926 3x 0.926 0.000 D E B 2x 0.500 C 2x 0.500 C 0.000 D A C 0.000 A B D C A 3x 0.926 C 2x 0.500 3x 0.926 D 2x 0.500 3x 0.926 12x 0.273 3x 0.926 E B D C 2x 0.500 D 12x 0.100 3x 0.926 0.000 C 2x 0.500 A 3x 0.926 C 3x 0.926 12x 0.200 8x 0.275 8x 0.150 8x 0.250 A = 0.225 x 0.362 (mm) B = 0.362 x 0.225 (mm) C = 0.225 x 0.362 (mm) 60% Rounded Rectangle D = 0.362 x 0.225 (mm) 60% Rounded Rectangle E = 0.945 x 0.945 (mm) 2x 0.500 A = 0.250 x 0.402 (mm) Typ B = 0.402 x 0.250 (mm) Typ C = 0.250 x 0.402 (mm) 60% Rounded Rectangle D = 0.402 x 0.250 (mm) 60% Rounded Rectangle E = 1.050 x 1.050 (mm) Shaded area represents Pin 1 location. Application Schematic TX_IN C_TX/RX 100 pF 12 11 10 1 9 2 8 3 7 100 pF ANT 4 5 RX_OUT 6 0.1uF LNA_EN VDD 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]. DS130128 RF5540 RF5540 Performance Plots RF5540:OperatingCurrentversusTemperature (VDD=3.3V;ControlVoltageHigh2.8V,ControlVoltageLow0.2V) RF5540:HighGainversusTemperature (VDD=3.3V;ControlVoltageHigh2.7V,ControlVoltageLow0.2V) 24 24 22 22 20 IDD (mA) HIGHGAIN(dB) 20 18 16 18 16 14 14 12 15C 10 15C 12 +25C +25C +75C 8 4900 5100 5400 +75C 10 4900 5850 5100 FREQUENCY(MHz) 5850 FREQUENCY(MHz) RF5540:NoiseFigureversusTemperature (VDD=3.3V;ControlVoltageHigh2.8V,ControlVoltageLow0.2V) RF5540:TransmitInsertionLossversusTemperature (VDD=3.3V;ControlVoltageHigh2.8V,ControlVoltageLow0.2V) 0 5 0.5 4 1 3 TXIL(dB) NoiseFigure(dB) 5400 2 1.5 2 1 15C 15C 2.5 +25C +25C +75C 0 4900 5100 5400 FREQUENCY(MHz) DS130128 +75C 5850 3 4900 5000 5100 5200 5300 5400 5500 5600 5700 5800 5900 FREQUENCY(MHz) 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