RFSA3043 75 Voltage Controlled Attenuator (53000MHz) Product Overview The RFSA3043 is a fully monolithic analog voltage- controlled attenuator (VCA) featuring exceptional linearity over a typical temperature compensated 30dB gain control range. It incorporates a revolutionary new circuit architecture to solve a longstanding industry problem: high IP3, high attenuation range, low DC current, broad bandwidth and temperature compensated linear in dB control voltage characteristic. QFN, 16pin, 3.0mm x 3.0mm This voltagecontrolled attenuator is controlled by a single positive control voltage with onchip DC Key Features conditioning circuitry. The slope of the control voltage versus gain is selectable. The RFSA3043 draws a very Broadband 53000MHz frequency range low 2mA current and is packaged in a small 3mm x 30dB attenuation range 3mm QFN. This attenuator is matched to 75 over its rated control range and frequency with no external +50dBm Input IP3 (typical) matching components required. +80dBm Input IP2 (typical) Low Distortion: -80dBc CSO and -75dBc CTB for 132 channel 38dBmV input Functional Block Diagram High 1dB compression point (>+30dBm) Low supply current: 2mA (typical) 3V to 5V power supply Linear in dB control characteristic Applications Cable Modems CATV High Linearity Power Control Top View Ordering Information Part Number Description RFSA3043SQ Sample Bag with 25 Pieces RFSA3043TR7 7 Reel with 2500 Pieces RFSA3043PCK-410 EVB with 5 Piece Sample Bag Data Sheet Rev. F, November 9, 2021 1 of 12 www.qorvo.com Subject to change without notice All rights reserved RFSA3043 75 Voltage Controlled Attenuator (53000MHz) V Absolute Maximum Ratings Recommended Operating Conditions Parameter Rating Parameter Min Typ Max Units Control Voltage (VC) 0.5 to +6.0V Operating Temperature 40 +105 C Supply Voltage (VDD) 0.5 to +6.0V Junction Temperature +125 C Mode Pin Voltage (MODE) 0.5 to +6.0V RF Power Supply Voltage 3 5 5.5 V Electrical specifications are measured at specified test conditions. Storage Temperature Range 65 to +150C Specifications are not guaranteed over all recommended operating Exceeding any one or a combination of the Absolute Maximum Rating conditions. conditions may cause permanent damage to the device. Extended application of Absolute Maximum Rating conditions to the device may reduce device reliability. Electrical Specifications (1) Parameter Condit i on Min Typ Max Unit Steady state operation, current draw during attenuation Supply Current (I ) 2 mA SS state transitions is higher. Thermal Resistance T taken at +85C from backside of PCB 35 C/W REF RF Input Power 27 dBm Frequency Range 5 3000 MHz Minimum Insertion Loss 1.5 2.0 dB Gain Control Range 30 35 dB Peak to peak gain variation over temperature for fixed Gain v Temperature 1.5 dB control voltage Return Loss 15 dB Insertion phase at 15dB attenuation relative to Relative Phase 5 degree Minimum attenuation Input 1dB Compression Point 30 dBm Input IP3 P + (IM3 /2) 50 dBm IN dBc Input IP2 PIN + (IM2dBc) IM2 is f1 + f2 80 dBm Input IH2 P + H2 H2 is second harmonic 85 dBm IN dBc Input IH3 P + (H3 /2) H3 is third harmonic 55 dBm IN dBc CSO -80 dBc 55.25MHz to 865.25MHz, 132 channel, +38dBmV CTB -75 dBc Input, flat tilt XMOD -70 dBc Voltage Control Range 5V control voltage is lowest insertion loss 0 5 V Positive Attenuation Slope MODE pin high Voltage Control Range 0V control voltage is lowest insertion loss 0 5 V Negative Attenuation Slope MODE pin low Voltage Control Pin Current V pin at 5V MODE pin high 37 A C Voltage Control Pin Current VC pin at 5V MODE pin low 37 A MODE Pin Logic Low 0.4 V MODE Pin Logic High 1 V Setting Time 1dB attenuation change settling with 0.1dB 10 Sec Notes: 1. Typical performance at these conditions: Temp. = +25C, VDD = +5V, 1000MHz Data Sheet Rev. F, November 9, 2021 2 of 12 www.qorvo.com Subject to change without notice All rights reserved