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| RF53003V, 5GHz Linear Power Amplifier RF5300 3V, 5GHz LINEAR POWER AMPLIFIER RoHS Compliant & Pb-Free Product Package Style: QFN, 16-Pin, 3 x 3 Features Single Power Supply 3.0V to 5.0V 50 Input/Output Impedance 30dB Gain (typ. UNII-1 and 2) High Linearity 4900MHz to 5850MHz Frequency Range GND 1 16 15 14 13 PWR DET VCC1 VCC2 GND 12 GND RF IN 2 Input Match Interstage Match Interstage Match Output Match 11 RF OUT RF IN 3 10 RF OUT GND 4 Bias Bias 9 GND GND VREG1&2 VREG3 IEEE802.11a/n WLAN Applications HyperLAN Wireless LAN Systems Commercial and Consumer Systems Portable Battery-Powered Equipment Spread-Spectrum and MMDS Systems Functional Block Diagram Product Description The RF5300 is a linear, medium-power, high-efficiency amplifier IC designed specifically for battery-powered WLAN applications such as PC cards, mini PCI, and compact flash applications. The device is manufactured on an advanced Gallium Arsenide Heterojunction Bipolar Transistor (HBT) process, and has been designed for use as the final RF amplifier in 5GHz WLAN and other spread-spectrum transmitters. The device is provided in a 16-pin leadless chip carrier with a backside ground. The RF5300 is designed to maintain linearity over a wide range of supply voltage and power output. The RF5300 is designed to reduce end-product BOM count by integrating all matching circuitry onto the chip. Ordering Information RF5300 RF5300PCBA-41X 3V, 5GHz Linear Power Amplifier Fully Assembled Evaluation Board Optimum Technology Matching(R) Applied GaAs HBT GaAs MESFET InGaP HBT SiGe BiCMOS Si BiCMOS SiGe HBT GaAs pHEMT Si CMOS Si BJT GaN HEMT RF MICRO DEVICES(R), RFMD(R), Optimum Technology Matching(R), Enabling Wireless ConnectivityTM, PowerStar(R), POLARISTM TOTAL RADIOTM and UltimateBlueTM 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. (c)2006, RF Micro Devices, Inc. Rev A9 DS070820 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. VCC3 Applications 5 6 7 8 1 of 10 RF5300 Absolute Maximum Ratings Parameter Supply Voltage Power Control Voltage (VREG) DC Supply Current Input RF Power Operating Ambient Temperature Storage Temperature Moisture sensitivity Rating -0.5 to +6.0 -0.5 to 3.5 600 +10 -40 to +85 -40 to +150 JEDEC Level 3 Unit VDC V mA dBm C C 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. RoHS status based on EUDirective2002/95/EC (at time of this document revision). 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. Parameter Overall Frequency Range Output Power VCC =3.3V Min. Specification Typ. Max. Unit Condition T=25C, VCC =3.3V, VREG =2.8V, Freq=4900MHz to 5850MHz 4900 to 5850 MHz With 802.11a modulation (54Mbit/s) meeting spectral mask and EVM requirements 16 18 dBm dBm 2.7 % dBm 4 % dBm 4 % dB dB dB 0.70 1.5 1.7 VDC VDC VDC V mA mA 10 15 mA mA 20 28 30 26 0.65 1.3 1.5 3.0 to 5.0 265 195 5 10 F=4900MHz to 5000MHz, F=5700MHz to 5850MHz F=5150MHz to 5350MHz F=4900MHz to 5850MHz F=4900MHz to 5850MHz F=4900MHz to 5000MHz F=5150MHz to 5350MHz F=5700MHz to 5850MHz RF POUT =+11dBm (4900MHz to 5850MHz) RF POUT =+18dBm (4900MHz to 5850MHz) RF POUT =+19dBm (4900MHz to 5850MHz) EVM VCC =3.3V EVM VCC =5.0V EVM Gain (RFPOUT =+15dBm) 26 29 24 Power Detect (P_detect) Voltage 0.50 1.1 1.3 19 18 Power Supply Operating Voltage Current Consumption VREG Current (Total) POUT =18dBm, VCC =3.3V, VREG =+2.8V Idle current, VCC =3.3V, VREG =2.8V VCC =3.3V VCC =5.0V 2 of 10 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. Rev A9 DS070820 RF5300 Pin 1 2 Function GND RF IN Description Ground. RF input. Input is matched to 50 and DC block is provided internally. VCC1 INTERSTAGE MATCH INPUT MATCH Interface Schematic 3 4 5 RFIN GND VREG1&2 Same as pin 2. Ground. First and second stage input bias. This pin requires a regulated supply to maintain nominal bias current. See pin 2. VREG1 BIAS VREG2 BIAS GND1 BIAS GND2 6 7 8 9 10 VREG3/ GND VREG3 VCC3 GND RF OUT Ground for third stage bias circuit. Attach to RF ground approximately 100mils to ground from package. Third stage input bias. This pin requires a regulated supply to maintain a nominal bias current. Third stage supply bias. This pin is sensitive to bypass capacitors which should be placed approximately 100mils from package and resonate 5GHz to ground. Ground. RF output. Output is matched to 50 and DC block is provided. See pin 5. VCC2 OUTPUT MATCH RF OUT 11 12 13 14 15 16 Pkg Base RF OUT GND PWR DET GND VCC2 VCC1 GND Same as pin 10. Ground. Provides an output voltage proportional to the RF level. Ground. Supply voltage for the second stage. Bypass capacitor is needed to provide isolation from VCC1 and VCC3. Supply voltage for the first stage. Ground connection. The backside of the package should be connected to the ground plane through a short path (i.e., vias under the device will be required). See pin 10. Rev A9 DS070820 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 3 of 10 RF5300 Package Drawing 1.70 Pin 1 ID 3.00 A 0.28 TYP 0.18 Pin 1 ID 0.50 TYP 3.00 1.70 0.15 C 2 PLCS 0.15 C 2 PLCS B 0.40 TYP 0.20 0.10 M C A B 0.05 0.203 REF Dimensions in mm. 0.1 C Shaded lead is pin 1. 0.925 0.775 0.102 REF C 0.08 C 4 of 10 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. Rev A9 DS070820 RF5300 Theory of Operation The RF5300 is a three-stage device with a nominal gain of 28dB to 30dB in the 4.9GHz to 5.850GHz ISM band. The RF5300 is designed primarily for IEEE802.11a/n WLAN applications where the available supply voltage and current are limited. This amplifier will operate to (and below) the lowest expected voltage made available by a typical PCMCIA slot in a laptop PC, and will maintain required linearity at decreased supply voltages. The RF5300 requires only a single positive supply of 3.0V nominal (or greater) to operate to full specifications. Power control is provided through two bias control input pins (VREG1, VREG2, and VREG3), but in most applications these are tied together and used as a single control input. There is no external matching required on the input and output of the part, thus allowing minimal bill of material (BOM) parts count in end applications. Both the input and the output of the device are DC-blocked. For best results, the PA circuit layout from the evaluation board should be copied as closely as possible, particularly the ground layout and ground vias. Other configurations may also work, but the design process is much easier and quicker if the layout is copied from the RF5300 evaluation board. Gerber files of our designs are available on request. The RF5300 is not a difficult part to implement, but care in circuit layout and component selection is always advisable when designing circuits to operate at 5GHz. It is important to isolate VCC1 from other RF and low-frequency bypass capacitors on this supply line. This can be accomplished using a suitably-long transmission line which is RF shorted on the other end as described above. Ideally the length of this line will be a quarter wavelength, but it only needs to be long enough so that the effects of other supply bypass capacitors on the VCC1 line are minimized. If board space is a concern, this isolation can also be accomplished with an RF choke inductor or ferrite bead. The RF5300 has primarily been characterized with a voltage on VREG1, VREG2, and VREG3 of 2.8VDC. However, the RF5300 will operate from a wide range of control voltages. If you prefer to use a control voltage that is significantly different than 2.8VDC, contact RFMD Sales or Applications Engineering for additional data and guidance. Rev A9 DS070820 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 5 of 10 RF5300 Evaluation Board Schematic VCC1 P1 P1-1 P1-2 1 2 3 P1-1 4 HDR_1X4 1 50 strip 2 3 4 5 C4 5 pF R1 0 R2 0 C5 5 pF 6 7 8 C3 2 pF C6 1 nF C7 4.75 F PDETECT VCC1 GND VREG 16 15 14 13 12 11 10 9 50 strip L1 4.7 nH C1 1 pF C2 1 pF PDETECT J1 RF IN J2 RF OUT VREG VCC1 6 of 10 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. Rev A9 DS070820 RF5300 Evaluation Board Layout Board Size 1.2" x 1.2" Board Thickness 0.032", Board Material FR-4, Multi-Layer Rev A9 DS070820 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 7 of 10 RF5300 40.0 38.0 36.0 34.0 32.0 30.0 28.0 26.0 24.0 22.0 20.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0 Gain Vs Pout @ 4900MHz" Gain Vs Pout @ 5500MHz Gain Vs Pout @ 5850MHz 0.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0 Typical Gain versus POUT VCC=3.3V, VREG=2.8V @ 25C and @ 50% Duty Cycle Typical EVM versus POUT 10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 EVM Vs Pout @ 4900MHz" EVM Vs Pout @ 5500MHz EVM Vs Pout @ 5850MHz VCC=3.3V, VREG=2.8V @ 25C and @ 50% Duty Cycle Gain (dB) POUT (dBm) EVM (%) POUT (dBm) Typical ICC versus POUT 0.50 0.45 0.40 0.35 0.30 VCC=3.3V, VREG=2.8V @ 25C and @ 50% Duty Cycle 0.020 0.018 0.016 0.014 0.012 0.010 0.008 0.006 0.004 Typical IREG versus POUT VCC=3.3V, VREG=2.8V @ 25C and @ 50% Duty Cycle 0.25 0.20 0.15 0.10 0.05 0.00 0.00 2.00 4.00 6.00 8.00 10.00 12.00 14.00 16.00 18.00 20.00 22.00 ICC Vs Pout @ 4900MHz" ICC Vs Pout @ 5500MHz ICC Vs Pout @ 5850MHz IREG (mA) ICC (A) 0.002 0.000 0.0 2.0 4.0 6.0 8.0 10.0 12.0 Ireg Vs Pout @ 4900MHz" Ireg Vs Pout @ 5500MHz Ireg Vs Pout @ 5850MHz 14.0 16.0 18.0 20.0 22.0 POUT (dBm) POUT (dBm) 2.0 1.8 1.6 1.4 1.2 Typical PDET versus POUT VCC=3.3V, VREG=2.8V @ 25C and @ 50% Duty Cycle PDET (V) 1.0 0.8 0.6 0.4 Pdet Vs Pout @ 4900MHz" 0.2 0.0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0 Pdet Vs Pout @ 5500MHz Pdet Vs Pout @ 5850MHz POUT (dBm) 8 of 10 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. Rev A9 DS070820 RF5300 Rev A9 DS070820 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 9 of 10 RF5300 10 of 10 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. Rev A9 DS070820 |
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