Preliminary RFSA2714 rfmd.com Parallel Controlled Digital Step Attenuator 50MHz to 4000MHz, 7-Bit, 0.25dB LSB Package Style: QFN 24-Pin, 4mm x 4 mm Features 24 23 22 21 20 19 Frequency Range 50MHz to 4000MHz 1 18 C0.25 N/C 7-Bit, 31.75dB Range, 0.25dB Step 2 17 VDD N/C Logic Circuit High Linearity, IP3 > 50dBm 3 16 3V and 5V Logic Compatible N/C N/C On-chip Parallel Decoder RF1 4 15 RF2 7 Bit DSA Parallel Programming Interface N/C 5 14 N/C On-chip ESD Protection > 500V HBM N/C N/C 6 13 Single Supply, 3V to 5V Operation Footprint Compatible with Most 7 8 9 10 11 12 24-Pin, 4mm x 4mm QFNs Functional Block Diagram Applications Transceiver IF Applications Cellular, PCS, GSM, UMTS, LTE, Product Description WiMax/WLAN RFMDs RFSA2714 is a 7-bit Digital Step Attenuator (DSA) that features high Wireless Data, Satellite Terminals linearity over the entire 31.75dB gain control range with excellent step accuracy Test Equipment in 0.25dB steps. The parallel-controlled RFSA2714 has an on-chip decoder that is both 3V and 5V compatible. The RFSA2714 also offers a rugged Class 1B HBM ESD rating via on-chip ESD circuitry. The MCM package is footprint compatible with most 24-pin, 4mm x 4 mm, QFN packages. Ordering Information RFSA2714SR 7 Reel with 100 pieces RFSA2714SQ Sample bag with 25 pieces RFSA2714TR7 7 Reel with 750 pieces RFSA2714TR13 13 Reel with 2500 pieces RFSA2714PCK-410 PCBA with 5-piece sample bag Optimum Technology Matching Applied GaAs HBT SiGe BiCMOS GaAs pHEMT GaN HEMT GaAs MESFET Si BiCMOS Si CMOS RF MEMS InGaP HBT SiGe HBT Si BJT LDMOS RF MICRO DEVICES, RFMD, Optimum Technology Matching, Enabling Wireless Connectivity, PowerStar, POLARIS TOTAL RADIO and UltimateBlue 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. 2006, RF Micro Devices, Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 For sales or technical Prelim DS110103 1 of 8 support, contact RFMD at (+1) 336-678-5570 or sales-support rfmd.com. ACG1 C0.5 ACG2 C1 ACG3 C2 C4 ACG4 ACG5 C8 N/C C16 RFSA2714 Preliminary rfmd.com Absolute Maximum Ratings Caution ESD sensitive device. Parameter Rating Unit Exceeding any one or a combination of the Absolute Maximum Rating conditions may cause permanent damage to the device. Extended application of Absolute Maximum Supply Voltage +5.5 V 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. DC Supply Current 15 mA RoHS status based on EUDirective2002/95/EC (at time of this document revision). Power Dissipation 83 mW The information in this publication is believed to be accurate and reliable. However, no Max RF Input Power 27 dBm responsibility is assumed by RF Micro Devices, Inc. RFM) for its use, nor for any infringement of patents, or other rights of third parties, resulting from its use. No license is Operating Temperature (Tcase) -40 to +85 C 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 Storage Temperature -40 to +150 C specifications at any time without prior notice. Junction Temperature 150 C ESD Rating (HBM) Class 1B Moisture Sensitivity Level MSL1 Specification Parameter Unit Condition Min. Typ. Max. Frequency Range 50 4000 MHz 0.85 150MHz 0dB attenuation 1.1 850MHz 0dB attenuation Insertion Loss dB 1.6 2700MHz 0dB attenuation 2.1 3800MHz 0dB attenuation Gain Control Range 31.75 dB 0.25dB step size Step Accuracy +/- (0.1+4% attenuation setting) dB Input IP3 50 dBm 100 4000MHz Input P0.1dB 25 dBm 1000MHz Return Loss 15 dB DC - 3000MHz, all states Control Interface 7-bit, Parallel Parallel Interface Settling Time 200 ns tRISE, tFALL (10%/90% RF) Switching Speed 200 ns t , t (50% CTL to 10%/90% RF) ON OFF Supply Voltage (V) 4.75 5.0 5.25 V DD Supply Current 7.5 mA Low, VCTL=0 to 0.8V Control Voltage (VCTL) V High, VCTL=2.0 to VDD Notes: 1. V =5V, V =5V, T=25C DD CTL 2. Broadband Application Circuit (with ACG caps) 3. IIP3 measured with Pin=+10dBm/tone, 1MHz spacing 7628 Thorndike Road, Greensboro, NC 27409-9421 For sales or technical 2 of 8 Prelim DS110103 support, contact RFMD at (+1) 336-678-5570 or sales-support rfmd.com.