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| RF3375General Purpose Amplifier RF3375 GENERAL PURPOSE AMPLIFIER RoHS Compliant & Pb-Free Product Package Style: SOT89 Features DC to >6000MHz Operation Internally Matched Input and Output 13.2dB Small Signal Gain +28dBm Output IP3 +16.0dBm Output P1dB 1 RF IN GND 4 2 GND 3 RF OUT Applications Basestation Applications Broadband, Low-Noise Gain Blocks IF or RF Buffer Amplifiers Driver Stage for Power Amplifiers Final PA for Low-Power Applications High Reliability Applications Functional Block Diagram Product Description The RF3375 is a general purpose, low-cost RF amplifier IC. The device is manufactured on an advanced Gallium Arsenide Heterojunction Bipolar Transistor (HBT) process, and has been designed for use as an easily-cascadable 50 gain block. Applications include IF and RF amplification in wireless voice and data communication products operating in frequency bands up to 6000MHz. The device is self-contained with 50 input and output impedances and requires only two external DCbiasing elements to operate as specified. Ordering Information RF3375 RF337XPCBA-41X General Purpose 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 A7 DS050524 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 1 of 10 RF3375 Absolute Maximum Ratings Parameter Input RF Power Operating Ambient Temperature Storage Temperature ICC Rating +13 -40 to +85 -60 to +150 80 Unit dBm C C mA 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 3dB Bandwidth Gain Min. Specification Typ. DC to >6000 6 Max. Unit MHz GHz dB dB dB dB Freq=500MHz Freq=1000MHz Freq=2000MHz Freq=3000MHz Freq=4000MHz Freq=6000MHz dB Freq=2000MHz Condition T=25 C, ICC =65mA (See Note 1.) 12.5 12.5 12.2 12.2 12.0 10.0 13.5 13.5 13.2 13.2 13.0 12.4 4.6 <1.9:1 <2.0:1 <1.7:1 Noise Figure Input VSWR Output VSWR Output IP3 Output P1dB Reverse Isolation +31.0 +28.0 +17.0 +14.5 In a 50 system, DC to 6000MHz In a 50 system, DC to 500MHz In a 50 system, 500MHz to 6000MHz dBm dBm dBm dBm dB C/W C Freq=1000MHz Freq=2000MHz Freq=1000MHz Freq=2000MHz Freq=2000MHz ICC =65mA, PDISS =313mW. (See Note 3.) VPIN =4.81V TCASE =+85C TCASE =+85C With 22 bias resistor, T=+25oC At pin 8 with ICC =65mA At Evaluation Board Connector ICC =65mA See Note 2. +33.9 +30.0 +18.5 +16.0 -18.0 175 139 Thermal ThetaJC Maximum Measured Junction Temperature at DC Bias Conditions Mean Time to Failures 1500 5.18 6.6 65 5.36 7.0 80 years V V mA Power Supply Device Operating Voltage Operating Current Note 1: All specification and characterization data has been gathered on standard FR-4 evaluation boards. These evaluation boards are not optimized for frequencies above 2.5GHz. Performance above 2.5GHz may improve if a high performance PCB is used. Note 2: The RF3375 must be operated at or below 80mA in order to achieve the thermal performance listed above. While the RF3375 may be operated at higher bias currents, 65mA is the recommended bias to ensure the highest possible reliability and electrical performance. Note 3: Because of process variations from part to part, the current resulting from a fixed bias voltage will vary. As a result, caution should be used in designing fixed voltage bias circuits to ensure the worst case bias current does not exceed 80mA over all intended operating conditions. 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 A7 DS050524 RF3375 Rev A7 DS050524 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 RF3375 Pin 1 Function RF IN Description RF input pin. This pin is NOT internally DC blocked. A DC blocking capacitor, suitable for the frequency of operation, should be used in most applications. DC coupling of the input is not allowed, because this will override the internal feedback loop and cause temperature instability. Ground connection. RF output and bias pin. Biasing is accomplished with an external series resistor and choke inductor to VCC. The resistor is selected to set the DC current into this pin to a desired level. The resistor value is determined by the following equation: Interface Schematic 2 3 GND RF OUT RF OUT ( V SUPPLY - V DEVICE ) R = -----------------------------------------------------I CC Care should also be taken in the resistor selection to ensure that the current into the part never exceeds 80mA over the planned operating temperature. This means that a resistor between the supply and this pin is always required, even if a supply near 5.0V is available, to provide DC feedback to prevent thermal runaway. Because DC is present on this pin, a DC blocking capacitor, suitable for the frequency of operation, should be used in most applications. The supply side of the bias network should also be well bypassed. Ground connection. RF IN 4 GND Package Drawing 1.04 0.80 0.50 0.30 1.60 1.40 3.10 2.90 0.48 0.36 2 PL 4.60 4.40 2.60 2.40 1.80 1.45 1.75 1.40 Dimensions in mm. Shaded lead is pin 1. 0.43 0.38 0.53 0.41 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 A7 DS050524 RF3375 Application Schematic VCC 4 22 100 pF + 1 F 100 pF RF IN 1 2 3 100 nH RF OUT 100 pF Evaluation Board Schematic (Download Bill of Materials from www.rfmd.com.) P1 P1-1 1 2 3 CON3 VCC1 GND 4 R1 22 C1 100 pF L1 100 nH C2 100 pF C3 100 pF + C4 1 F VCC J1 RF IN 50 strip 1 2 3 50 strip J2 RF OUT 337x410, r.1 Rev A7 DS050524 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 RF3375 Evaluation Board Layout Board Size 1.195" x 1.000" Board Thickness 0.033", Board Material FR-4 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 A7 DS050524 RF3375 0.0 Reverse Isolation versus Frequency Across Temperature (ICC=65mA) Junction Temperature versus Power Dissipated 180.000 (TAMBIENT=+85C) 170.000 -5.0 -10.0 Junction Temperature (C) -40C 25C 85C 0.0 1000.0 2000.0 3000.0 4000.0 5000.0 6000.0 160.000 Reverse Isolation (dB) 150.000 -15.0 140.000 130.000 -20.0 120.000 -25.0 110.000 -30.0 100.000 0.250 0.275 0.300 0.325 0.350 0.375 0.400 Frequency (MHz) Power Dissipation versus Device Voltage Across Temperature (TAMBIENT=+85C) Power Dissipated (Watts) Bias Current versus Supply Voltage Across Temperature 100.0 0.50 0.45 0.40 (At Evaluation Board Connector, RBIAS=22) 90.0 80.0 Power Dissipated (W) 0.35 0.30 70.0 ICC (mA) 0.25 0.20 0.15 60.0 50.0 40.0 0.10 0.05 0.00 4.60 4.70 4.80 4.90 5.00 5.10 5.20 30.0 -40C 25C 85C 5.7 5.9 6.1 6.3 6.5 6.7 6.9 7.1 7.3 7.5 7.7 20.0 VPIN (V) Bias Current versus Devices Voltage Across Temperature (At Pin 3 of the RF3375) 100.0 90.0 80.0 70.0 VCC (V) ICC (mA) 60.0 50.0 40.0 30.0 20.0 10.0 4.6 4.8 5.0 5.2 5.4 5.6 5.8 -40C 25C 85C VPIN (V) Rev A7 DS050524 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 RF3375 Gain versus Frequency Across Temperature 16.0 15.0 14.0 13.0 12.0 11.0 10.0 9.0 8.0 7.0 6.0 0.0 1000.0 2000.0 3000.0 4000.0 5000.0 6000.0 -40C 25C 85C 7000.0 Output P1dB versus Frequency Across Temperature 22.0 20.0 18.0 16.0 14.0 12.0 10.0 8.0 6.0 4.0 2.0 0.0 1000.0 2000.0 3000.0 4000.0 5000.0 6000.0 -40C 25C 85C 7000.0 (ICC=65mA) (ICC=65mA) Frequency (MHz) Output Power (dBm) Gain (dB) Frequency (MHz) Output IP3 versus Frequency Across Temperature 40.0 (ICC=65mA) 7.0 Noise Figure versus Frequency Across Temperature (ICC=65mA) 35.0 6.0 30.0 5.0 Noise Figure (dB) OIP3 (dBm) 4.0 25.0 3.0 20.0 2.0 15.0 -40C 25C 85C 0.0 1000.0 2000.0 3000.0 4000.0 5000.0 6000.0 7000.0 1.0 -40C 25C 85C 0.0 500.0 1000.0 1500.0 2000.0 2500.0 3000.0 3500.0 10.0 0.0 Frequency (MHz) Frequency (MHz) Input VSWR versus Frequency Across Temperature 2.5 Output VSWR versus Frequency Across Temperature 2.5 (ICC=65mA) (ICC=65mA) 2.0 2.0 VSWR 1.5 VSWR 1.5 -40C 25C 85C 0.0 1000.0 2000.0 3000.0 4000.0 5000.0 6000.0 7000.0 -40C 25C 85C 1.0 0.0 1000.0 2000.0 3000.0 4000.0 5000.0 6000.0 7000.0 1.0 Frequency (MHz) Frequency (MHz) 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 A7 DS050524 RF3375 Rev A7 DS050524 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 RF3375 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 A7 DS050524 |
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