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| RF3861 WIDE BANDWIDTH, HIGH LINEARITY LOW NOISE AMPLIFIER Package Style: QFN, 16-Pin, 3mmx3mm VDD NC NC 14 Features Low Noise and High Intercept Point Adjustable Bias Current Single 2.5V to 6.0V Power Supply 700MHz to 3800MHz Operation Extremely Small QFN16 3mmx3mm Package NC 1 NC 2 RF IN 3 NC 4 16 15 13 12 NC 11 RF OUT 10 NC 9 NC 5 NC 6 NC 7 ACG Applications CDMA,PCS,ECS,UMTS LNA/Linear Driver WLAN LNA/Linear Driver WiMAX LNA/Linear Driver 900MHz LNA/Linear Driver General Purpose Amplification Functional Block Diagram Product Description The RF3861 is a low noise amplifier with a high output IP3. The amplifier is self-biased from a single voltage supply with 50 input and output ports. The useful frequency range is from 700MHz to 3800MHz. A 1dB noise figure and 36dBm OIP3 performance is achieved with a 5V VDD, 90mA. Current can be increased to raise OIP3 while having minimal effect on noise figure. The IC is featured in a standard QFN, 16-pin, 3mmx3mm package. Ordering Information RF3861 RF3861PCK-410 RF3861PCK-411 RF3861PCK-412 Wide Bandwidth, High Linearity Low Noise Amplifier Fully Assembled Evaluation Board with 5 Sample Parts 1.5GHz to 2.7GHz 3.3GHz to 3.8GHz 700MHz to 1100MHz 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 A0 DS070806 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. NC NC 8 1 of 6 RF3861 Absolute Maximum Ratings Parameter Supply Voltage Input RF Level Current Drain, IDD Operating Ambient Temperature Storage Temperature Rating 0 to +7 +10 150 -40 to +85 -40 to +150 Unit VDC dBm mA 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. Note 1: Max continuous RF IN is +10dBm. The max transient RF IN is +20dBm. Parameter High Band Frequency Current Gain Noise Figure OIP3 OP1dB S11 S22 Min. 3.3 Specification Typ. 3.5 90 10 1.1 37.0 22.0 -12 -18 Max. 3.8 110 Unit GHz mA dB dB dBm dBm dB dB At 3.5GHz VDD =5V Condition +25C, VDD =5V, IDD =90mA, 3500MHz unless specified f1 =3500MHz, f2 =3501MHz Mid Band Frequency Current Gain Noise Figure OIP3 OP1dB S11 S22 33.0 21.0 13.5 1500 90 14.5 1.0 35.5 22.5 -10 -20 700 90 16 1.2 36.0 22.5 -14 -18 1100 110 25.0 2700 110 16.5 1.2 MHz mA dB dB dBm dBm dB dB MHz mA dB dB dBm dBm dB dB f1 =850MHz, f2 =851MHz VDD =5V +25C, VDD =5V, IDD =90mA, 850MHz unless specified f1 =2000MHz, f2 =2001MHz VDD =5V +25C, VDD =5V, IDD =90mA, 2000MHz unless specified Low Band Frequency Current Gain Noise Figure OIP3 OP1dB S11 S22 2 of 6 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 A0 DS070806 RF3861 Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pkg Base Function NC NC RF IN NC NC NC ACG NC NC NC RF OUT NC NC NC VD NC GND Description Not connected. Not connected. RF input pin. 50 matched. This pin is DC-blocked. Not connected. Not connected. Not connected. AC ground. Shunt cap may be added for tuning. Shunt resistor may be added to increase IDD. Not connected. Not connected. Not connected. RF output pin. 50 matched. This pin is DC-blocked. Not connected. Not connected. Not connected. Bias voltage. 2.5V to 6.0V applied through bias inductor. Not connected. Ground connection. Interface Schematic 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 Rev A0 DS070806 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 6 RF3861 Evaluation Board Schematic 700MHz to 3800MHz VDD C2 10 nF C1 L1 16 1 2 R1 RF IN L2 3 4 5 C3 15 14 13 12 11 10 9 RF OUT L3 6 7 8 R2 C4 Components 700-1100 MHz 1.5-2.7 GHz 3.3-3.8 GHz C1 (pF) C3 (pF) C4 (pF) L1 (nH) L2 (nH) R1 (ohm) R2 (ohm) L3 (nH) 10 100 10 39 18 0 DNP DNP 10 100 DNP 3.9 4.7 0 DNP DNP 10 100 DNP 2.2 4.7 0 DNP DNP R2 is DNP for standard 90 mA current draw. If R2 is added, the IDD will increase. A 20 R2 will raise the current to achieve higher linearity. 4 of 6 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 A0 DS070806 RF3861 5V Noise Figure versus Temperature 1.6 17.0 5V Gain versus Temperature 1.4 16.0 15.0 Noise Figure (dB) 1.2 Gain (dB) 14.0 1.0 13.0 0.8 12.0 0.6 -40 25 85 0.4 1500.0 2000.0 2500.0 3000.0 11.0 -40 25 85 2000.0 2500.0 3000.0 10.0 1500.0 Frequency (MHz) Frequency (MHz) 5V OIP3 versus Temperature 37.0 5V P1dB versus Temperature 23.5 36.5 23.0 36.0 22.5 35.5 P1dB (dBm) OIP3 (dBm) 22.0 35.0 21.5 34.5 -40 25 85 34.0 1500.0 2000.0 2500.0 3000.0 21.0 -40 25 85 20.5 1500.0 2000.0 2500.0 3000.0 Frequency (MHz) Frequency (MHz) 5V Noise Figure versus Temperature 1.6 12.0 5V Gain versus Temperature 11.5 1.4 11.0 Noise Figure (dB) 1.2 10.5 1.0 Gain (dB) -40 25 85 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 10.0 9.5 0.8 9.0 0.6 -40 25 85 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 8.5 0.4 8.0 Frequency (GHz) Frequency (GHz) Rev A0 DS070806 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 6 RF3861 5V OIP2 versus Temperature 39.5 23.5 23.4 39.0 23.3 38.5 23.2 5V P1dB versus Temperature 38.0 P1dB (dBm) -40 25 85 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 OIP3 (dBm) 23.1 23.0 22.9 22.8 22.7 37.5 37.0 36.5 22.6 22.5 3.2 3.3 3.4 3.5 3.6 3.7 3.8 -40 25 85 3.9 36.0 Frequency (GHz) Frequency (GHz) 6 of 6 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 A0 DS070806 |
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