QPA9903 1805-1880MHz 4 W High-Efficiency Amplifier Product Overview The QPA9903 is a high-efficiency, linearizable power amplifier targeting Band 3 small-cell wireless infrastructure systems. Using InGaP/GaAs HBT technology, the product delivers high efficiency of 33.8% at +28dBm average output power while providing excellent DPD linearized ACPR of -50dBc for signal bandwidths of up to 60MHz. 16 Pad 5x5mm Package The QPA9903 is housed in a 5x5mm SMT package. It is pin-to-pin compatible to QPA9908 (band 8 high-efficiency Key Features small cell PA). 18051880MHz 32dB Gain typical across the band Over 36 dBm P3dB 33.8% PAE at +28 dBm power output <-50 dBc ACPR DPD linearized at +28 dBm power output with 1-carrier signal 1.8V logic compatible PA ON/OFF control On chip ESD protection Applications Functional Block Diagram 3GPP Band 3 Small Cells M-MIMO Repeaters / DAS Mobile Infrastructure General Purpose Wireless Ordering Information Part No. Description QPA9903TR13 2500 on reel QPA9903EVB-01 1805-1880 MHz EVB Top View th Datasheet, Aug. 10 , 2021 Subject to change without notice 1 of 14 www.qorvo.com QPA9903 1805-1880MHz 4 W High-Efficiency Amplifier Absolute Maximum Ratings Recommended Operating Conditions Parameter Rating Parameter Min Typ Max Units Storage Temperature 55 to +125C Device Voltage (VCC) +4.75 +5 +5.25 V (1) RF Input Power, Pulsed CW, 50 +10 dBm TCASE 40 +85 C 6 Device Voltage (VCC) +5.5 V Tj for >10 hours MTTF +175 C Exceeding any one or a combination of the Absolute Maximum Rating Electrical specifications are measured at specified test conditions. conditions may cause permanent damage to the device. Extended Specifications are not guaranteed over all recommended operating application of Absolute Maximum Rating conditions to the device may conditions. reduce device reliability. Note: 1. 1805-1880 MHz, Pulsed CW, 10% duty cycle, 100us period Electrical Specifications (1) Parameter Conditions Min Typ Max Units Operational Frequency Range 1805 1880 MHz Test Frequency 1840 MHz Gain Pout=+28dBm 30 32 34.2 dB Input Return Loss -17.5 dB Output P3dB 10 s pulse width, 10% duty cycle 33.5 36 dBm (2) Power Added Efficiency Pout=+28dBm 29 33.8 % (2) ACPR(Uncorrected) Pout=+28dBm -34 -30 dBc (2) ACPR with DPD Pout=+28dBm -50 dBc (3) ACPR(Uncorrected) Pout=+28dBm -31 dBc (3) ACPR with DPD Pout=+28dBm -45 dBc Quiescent Current, I Pins 12, 14 and 16 92 mA CQ Total Operating Current Pins 5, 12, 14 and 16, Pout=+28dBm 360 mA Thermal Resistance, Junction to case 27.4 C/W jc VEN High 1.17 1.8 VCC V VEN Low 0 0 0.5 V 2nd Harmonic Pout=+28dBm -30 dBc 3rd Harmonic Pout=+28dBm -45 dBc Notes: 1. Test conditions unless otherwise noted: All V & V =+5.0V, V = +1.8V, Temp=+25C, 50 system. CC BIAS EN 2. LTE, 20 MHz E-UTRA Test Model 1.1 or 3.1, PAR = 8.5 dB at 0.01% Probability 3. LTE, 20 MHz x 3 E-UTRA Test Model 1.1 or 3.1, PAR = 8.5 dB at 0.01% Probability Power Amplifier Enable Logic Table Parameter High Low V Power Amplifier ON Power Amplifier OFF EN th Datasheet, Aug. 10 , 2021 Subject to change without notice 2 of 14 www.qorvo.com