RFPA3805

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Document overview

• Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
• PDF pages: 24

Technical content

Features

■ High Gain 20.5dB at 2.14GHz ■ High Linearity, OIP3 = 47.5dBm at 2.14GHz ■ Off-chip Interstage for Design Flexibility ■ Independent Bias Control for Each Stage ■ Power-down Capability ■ 700MHz to 2700MHz Operation

Applications

■ GaAs Driver for Base Station Amplifier ■ PA Stage for Commercial Wireless Infrastructure ■ Final Stage PA in Femtocell and Base Station Repeater ■ Final Stage PA in High Efficiency, High Power Applications ■ Class AB Operation for GSM, DCS, PCS, UMTS, TD-SCDMA, LTE, and WLAN Transceiver

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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 24 RFPA3805 Absolute Maximum Ratings Parameter Rating Unit Device Voltage (VCC1, VCC2, VBIAS, VREF1, VREF2) 6 V Device Current – Stage 1 600 mA Device Current – Stage 2 2400 mA VREF1, VREF2 Current 5 mA VREF1, VREF2 Device Voltage 4 V CW Input Power, 50Ω Load, 748MHz Band 21 dBm CW Input Power, 50Ω Load, 2140MHz and 2640MHz Bands 26 dBm Modulated (WCDMA) Input Power, 6:1 Output VSWR, 748MHz Band 13 dBm Modulated (CDMA) Input Power, 6:1 Output VSWR, 2140MHz and 2640MHz Bands 23 dBm Operating Temperature Range (TL) -40 to +85 °C Operating Junction Temperature (TJ) 160 °C Max Storage Temperature -40 to +150 °C ESD Rating – Human Body Model (HBM) Class 1C Moisture Sensitivity Level MSL1 Notes: 1. The Maximum ratings must all be met simultaneously 2. PDISS = PDC + PRFIN – PROUT 3. TJ = TL + PDISS * RTH 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. 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 Parameter Specification Unit Condition Min Typ Max 728MHz to 768MHz VCC1 = VCC2 = VBIAS = 5.0V, VREF1 = VREF2 = 5.0V, Temp = 25°C, optimized for -60dBc ACPR at rated power Frequency 748 MHz Input Power (PIN) 2 dBm Max recommended continuous input power, load VSWR = 2:1 Gain 33.4 dB Output IP3 46.8 dB 19dBm per tone, 1MHz spacing, optimized for best ACPR ACPR -63.5 -55 dBc RF output power = 21dBm, WCDMA 3GPP 3.5, test model 1, 64 DPCH P1dB 34.4 dBm Input Return Loss -18 dB Output Return Loss -13 dB Noise Figure 4.6 dB

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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 24 RFPA3805 Parameter Specification Unit Condition Min Typ Max 2110MHz to 2170MHz VCC1 = VCC2 = VBIAS = 5.0V, VREF1 = VREF2 = 5.0V, Temp = 25°C, optimized for -60dBc ACPR at rated power Frequency 2140 MHz Input Power (PIN) 11 dBm Max recommended continuous input power, load VSWR = 2:1 Gain 20.5 dB Output IP3 47.5 dB 19dBm per tone, 1MHz spacing, optimized for best ACPR ACPR -60.4 -55 dBc RF output power = 21dBm, WCDMA 3GPP 3.5, test model 1, 64 DPCH P1dB 33.1 dBm Input Return Loss -19 dB Output Return Loss -11 dB Noise Figure 5 dB 2580MHz to 2690MHz VCC1 = VCC2 = VBIAS = 5.0V, VREF1 = VREF2 = 5.0V, Temp = 25°C, optimized for -60dBc ACPR at rated power Frequency 2640 MHz Input Power (PIN) 9 dBm Max recommended continuous input power, load VSWR = 2:1 Gain 18.8 dB Output IP3 44.3 dB 19dBm per tone, 1MHz spacing, optimized for best ACPR ACPR -60.6 -55 dBc RF output power = 19dBm, WCDMA 3GPP 3.5, test model 1, 64 DPCH P1dB 32.6 dBm Input Return Loss -17 dB Output Return Loss -11 dB Noise Figure 5.6 dB Power Supply Temp = 25°C, bias condition Stage 1 Operating Current (Quiescent) 120 166 210 mA At VCC1 = VCC2 = VBIAS = 5.0V, VREF1 = VREF2 = 5.0V Stage 2 Operating Current (Quiescent) 560 675 780 mA VCC Operating Voltage 4.75 5 5.25 V VBIAS Operating Voltage 4.75 5 5.25 V VBIAS = VCC under normal operating condition VREF1, VREF2 5 5 5 V Stage 1 Thermal Resistance (RTH1) 38 °C/W Junction-to-back side of IC at RFOUT = 30dBm Stage 2 Thermal Resistance (RTH2) 6 °C/W Shutdown Leakage Current 6 µA At VCC1 = VCC2 = VBIAS = 5.0V, VREF1 = VREF2 = 0V

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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 24 RFPA3805 Typical Performance: VCC1 = VCC2 = VBIAS = 5V, VREF1 = VREF2 = 5V (728MHz to 768MHz Application Circuit)

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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 24 RFPA3805 Typical Performance: VCC1 = VCC2 = VBIAS = 5V, VREF1 = VREF2 = 5V (728MHz to 768MHz Application Circuit)

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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 24 RFPA3805 Typical Performance: VCC1 = VCC2 = VBIAS = 5V, VREF1 = VREF2 = 5V (728MHz to 768MHz Application Circuit)

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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 24 RFPA3805 Evaluation Board Schematic 728MHz to 768MHz Application Circuit

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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. 8 of 24 RFPA3805 Evaluation Board Bill of Materials (BOM) 728MHz to 768MHz Application Circuit Description Reference Designator Manufacturer Manufacturer's P/N RFPA3805 Evaluation Board RFPA3805-410(A) 700MHz to 2700MHz, 2W, 5V, High Gain Linear PA in 4mm x 5mm QFN U1 RFMD RFPA3805 CAP, 100pF, 5%, 50V, C0G, 0402 C1, C22, C25, C33, C45 Murata Electronics GRM1555C1H101JA01D CAP, 12Pf, 5%, 50V, C0G, 0402 C6 Murata Electronics GRM1555C1H120JA01D IND, 3.9nH, +/-0.1nH, T/F, 0402 C13 Murata Electronics LQP15MN3N9B02D CAP, 1µF, 10%, 16V, X7R, 1206 C17, C27, C31 Murata Electronics GRM31MR71E105KA01L CAP, 1000pF, 10%, 50V, X7R, 0603 C18 Murata Electronics GRM188R71H102KA01D CAP, 1000pF, 10% 50V, X7R, 0402 C26, C32 Murata Electronics GRM155R71H102KA01D CAP, 15pF, 5%, 50V, HI-Q, 0402 C41 Murata Electronics GJM1555C1H150JB01D IND, 2nH, +/-0.1nH, T/F, 0402 L1 Murata Electronics LQP15MN2N0B02D IND, 47nH, 5%, W/W, 0603 L2 Coilcraft 0603HC-47NXJLW CONN, SMA, 4-HOLE PANEL MOUNT JACK J1-J2 Gigalane Co., Ltd. PA-S00-000 CONN, HDR, ST, PLRZD, 4-PIN, 0.100” P1 ITW Pancon MPSS100-4-C CONN, HDR, St, PLRZD, 6-PIN, 0.100” P2 ITW Pancon MPSS100-6-C RES, 2K, 5%, 1/6W, 0402 R1, R4 Kamaya, Inc. RMC1/16S-202JTH RES, 1.2K, 5%, 1/6W, 0402 R2 Kamaya, Inc. RMC1/16S-122JTH RES, 680Ω, 5%, 1/6W, 0402 R3 Kamaya, Inc. RMC1/16S-681JTH HEATSINK, BLOCK, TEST FIX, 1.5” x 2.0” EEF-101217 SCREW, 2-56 x 3/16”, SOCKET HEAD S1-S9 McMaster-Carr Supply Co. 92196A076

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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. 9 of 24 RFPA3805 Evaluation Board Assembly Drawing 728MHz to 768MHz Application Note

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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. 10 of 24 RFPA3805 Typical Performance: VCC1 = VCC2 = VBIAS = 5V, VREF1 = VREF2 = 5V (2110MHz to 2170MHz Application Circuit)

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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. 11 of 24 RFPA3805 Typical Performance: VCC1 = VCC2 = VBIAS = 5V, VREF1 = VREF2 = 5V (2110MHz to 2170MHz Application Circuit)

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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. 12 of 24 RFPA3805 Typical Performance: VCC1 = VCC2 = VBIAS = 5V, VREF1 = VREF2 = 5V (2110MHz to 2170MHz Application Circuit)

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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. 13 of 24 RFPA3805 Evaluation Board Schematic 2110MHz to 2170MHz Application Circuit

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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. 14 of 24 RFPA3805 Evaluation Board Bill of Materials (BOM) 2110MHz to 2170MHz Application Circuit Description Reference Designator Manufacturer Manufacturer's P/N RFPA3805 Evaluation Board RFPA3805-410(A) 700MHz to 2700MHz, 2W, 5V, High Gain Linear PA in 4mm x 5mm QFN U1 RFMD RFPA3805 CAP, 100pF, 5%, 50V, C0G, 0402 C1, C45 Murata Electronics GRM1555C1H101JA01D CAP, 4.3Pf, +/-0.1pF, 50V, C0G, 0402 C12, C23 Murata Electronics GRM1555C1H4R3BA01D CAP, 9.1pF, +/-0.25pF, 50V, HI-Q, 0402 C13 Murata Electronics GJM1555C1H9R1CB01D CAP, 1µF, 10%, 16V, X7R, 1206 C17, C27, C31 Murata Electronics GRM31MR71E105KA01L CAP, 0.1µF, 10%, 25V, X7R, 0603 C18 Kemet C0603C104K3RAC CAP, 3.3pF, +/-0.1pF, 50V, C0G, 0402 C24 Murata Electronics GRM1555C1H3R3BA01D CAP, 18pF, 5%, 50V, C0G, 0402 C25, C33 Murata Electronics GRM1555C1H180JA01D CAP, 1000pF, 10%, 50V, X7R, 0402 C26, C32 Murata Electronics GRM155R71H102KA01D CAP, 2.7pF, +/-0.1pF, 50V, HI-Q, 0402 C34 Murata Electronics GJM1555C1H2R7BB01D CAP, 3.6pF, +/-0.1pF, 50V, HI-Q, 0402 C35 Murata Electronics GJM1555C1H3R6BB01D CAP, 1.2pF, +/-0.25pF, 50V, HI-Q, 0402 C40 Murata Electronics GJM1555C1H1R2CB01D CONN, SMA, 4-HOLE PANEL MOUNT JACK J1-J2 Gigalane Co., Ltd. PA-S00-000 RES, 0Ω, 0402 KAMAYA L1 Kamaya, Inc. RMC1/16SJPTH IND, 24nH, 5%, W/W, 0603 L2 Coilcraft 0603HC-24NXJLW CONN, HDR, ST, PLRZD, 4-PIN, 0.100” P1 ITW Pancon MPSS100-4-C CONN, HDR, St, PLRZD, 6-PIN, 0.100” P2 ITW Pancon MPSS100-6-C RES, 2K, 5%, 1/6W, 0402 R1, R4 Kamaya, Inc. RMC1/16S-202JTH RES, 1.2K, 5%, 1/6W, 0402 R2 Kamaya, Inc. RMC1/16S-122JTH RES, 680Ω, 5%, 1/6W, 0402 R3 Kamaya, Inc. RMC1/16S-681JTH HEATSINK, BLOCK, TEST FIX, 1.5” x 2.0” EEF-101217 SCREW, 2-56 x 3/16”, SOCKET HEAD S1-S9 McMaster-Carr Supply Co. 92196A076

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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. 15 of 24 RFPA3805 Evaluation Board Assembly Drawing 2110MHz to 2170MHz Application Note

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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. 16 of 24 RFPA3805 Typical Performance: VCC1 = VCC2 = VBIAS = 5V, VREF1 = VREF2 = 5V (2580MHz to 2690MHz Application Circuit)

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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. 17 of 24 RFPA3805 Typical Performance: VCC1 = VCC2 = VBIAS = 5V, VREF1 = VREF2 = 5V (2580MHz to 2690MHz Application Circuit)

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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. 18 of 24 RFPA3805 Typical Performance: VCC1 = VCC2 = VBIAS = 5V, VREF1 = VREF2 = 5V (2580MHz to 2690MHz Application Circuit)

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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. 19 of 24 RFPA3805 Evaluation Board Schematic 2580MHz to 2690MHz Application Circuit

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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. 20 of 24 RFPA3805 Evaluation Board Bill of Materials (BOM) 2580MHz to 2690MHz Application Circuit Description Reference Designator Manufacturer Manufacturer's P/N RFPA3805 Evaluation Board RFPA3805-410(A) 700MHz to 2700MHz, 2W, 5V, High Gain Linear PA in 4mm x 5mm QFN U1 RFMD RFPA3805 CAP, 100pF, 5%, 50V, C0G, 0402 C1, C45 Murata Electronics GRM1555C1H101JA01D CAP, 3.3Pf, +/-0.1pF, 50V, HI-Q, 0402 C12 Murata Electronics GJM1555C1H3R3BB01D CAP, 3.9pF, +/-0.1pF, 50V, HI-Q, 0402 C13 Murata Electronics GJM1555C1H3R9BB01D CAP, 1µF, 10%, 16V, X7R, 1206 C17, C27, C31 Murata Electronics GRM31MR71E105KA01L CAP, 1000pF, 10%, 25V, X7R, 0402 C19 Murata Electronics GRM155R71H102KA01D CAP, 6.8pF, +/-0.25pF, 50V, HI-Q, 0402 C21 Murata Electronics GJM1555C1H6R8CB01D CAP, 2.7pF, +/-0.1pF, 50V, HI-Q, 0402 C23 Murata Electronics GJM1555C1H2R7BB01D CAP, 18pF, 5%, 50V, C0G, 0402 C25, C33 Murata Electronics GJM1555C1H180JA01D CAP, 1000pF, 10%, 50V, X7R, 0402 C26, C32 Murata Electronics FRM155R71H102KA01D CAP, 0.5pF, +/-0.05pF, 50V, HI-Q, 0402 C34 Murata Electronics GJM1555C1HR50WB01D CAP, 2.7pF, +/-0.1pF, 50V, HI-Q, 0402 C35 Murata Electronics GJM1555C1H2R7BB01D CAP, 0.7pF, +/-0.05, 50V, HI-Q, 0402 C37 Murata Electronics GJM1555C1H70WB01D CONN, SMA, 4-HOLE PANEL MOUNT JACK J1-J2 Gigalane Co., Ltd. PA-S00-000 RES, 0Ω, 0402 KAMAYA L1 Kamaya, Inc. RMC1/16SJPTH IND, 24nH, 5%, W/W, 0603 L2 Coilcraft 0603HC-24NXJLW CONN, HDR, ST, PLRZD, 4-PIN, 0.100” P1 ITW Pancon MPSS100-4-C CONN, HDR, St, PLRZD, 6-PIN, 0.100” P2 ITW Pancon MPSS100-6-C RES, 2K, 5%, 1/6W, 0402 R1, R4 Kamaya, Inc. RMC1/16S-202JTH RES, 1.2K, 5%, 1/6W, 0402 R2 Kamaya, Inc. RMC1/16S-122JTH RES, 680Ω, 5%, 1/6W, 0402 R3 Kamaya, Inc. RMC1/16S-681JTH HEATSINK, BLOCK, TEST FIX, 1.5” x 2.0” EEF-101217 SCREW, 2-56 x 3/16”, SOCKET HEAD S1-S9 McMaster-Carr Supply Co. 92196A076

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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. 21 of 24 RFPA3805 Evaluation Board Assembly Drawing 2580MHz to 2690MHz Application Note

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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. 22 of 24 RFPA3805 Pin Names and Descriptions Pin Name Description 1 NC No internal connection. EVB can be ground or no connect. 2 NC No internal connection. EVB can be ground or no connect.

3 RFIN1 RF Input for stage 1, must be DC blocked

4 NC No internal connection. EVB can be ground or no connect. 5 NC No internal connection. EVB can be ground or no connect. 6 NC No internal connection. EVB can be ground or no connect. 7 NC No internal connection. EVB can be ground or no connect. 8 NC No internal connection. EVB can be ground or no connect. 9 VREF1 Stage 1 VREF. Can also be used as a stage 1 power-down pin. 10 NC No internal connection. EVB can be ground or no connect.

11 VBIAS Amplifiers VBIAS pin

12 NC No internal connection. EVB can be ground or no connect. 13 VREF2 Stage 2 VREF. Can also be used as a stage 2 power-down pin. 14 NC No internal connection. EVB can be ground or no connect. 15 NC No internal connection. EVB can be ground or no connect. 16 NC No internal connection. EVB can be ground or no connect. 17 NC No internal connection. EVB can be ground or no connect.

18 RFOUT2/VCC2 RF output and collector supply for stage 2

19 RFOUT2/VCC2 RF output and collector supply for stage 2

20 RFOUT2/VCC2 RF output and collector supply for stage 2

21 RFOUT2/VCC2 RF output and collector supply for stage 2

22 NC No internal connection. EVB can be ground or no connect. 23 NC No internal connection. EVB can be ground or no connect.

24 RFIN2 RF input for stage 2, must be DC blocked

25 RFIN2 RF input for stage 2, must be DC blocked

26 RFOUT1/VCC1 RF output and collector supply for stage 1

27 RFOUT1/VCC1 RF output and collector supply for stage 1

28 NC No internal connection. EVB can be ground or no connect. EPAD GND DC and RF ground. Must be soldered to EVB ground plate over a bed of vias for thermal and RF performance. Solder/Epoxy voids under the EPAD will result in excessive junction temperature causing permanent damage.

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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. 23 of 24 RFPA3805 Package Outline Drawing (Dimensions in millimeters)

RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS130924 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. 24 of 24 RFPA3805 Branding Diagram