PDF RFSA2624 Data sheet ( Hoja de datos )

Número de pieza	RFSA2624
Descripción	SERIAL CONTROLLED DIGITAL STEP ATTENUATOR
Fabricantes	RF Micro Devices
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No Preview Available ! RFSA2624 Serial Con- trolled Digital Step Attenua- toR 50MHz to 4000MHz, 6- Bit, 0.5dB LSB RFSA2624 SERIAL CONTROLLED DIGITAL STEP ATTENUATOR 50MHz to 4000MHz, 6-BIT, 0.5dB LSB Package: MCM, 24-Pin, 4.2mmx4.2mm Features  Frequency Range 50MHz to 4000 MHz  6-Bits, 31.5dB Range, 0.5dB Step  High Linearity, OIP3>48dBm through over 700MHz to 2700 MHz  3V and 5V Logic Compatible  Serial-to-Parallel Controller  Serial Programming Interface  Power-up Programming Modes  On-chip ESD Protection >500V HBM  Single Supply, 3V to 5V Operation  Footprint compatible with most 24-pin, 4mm QFNs Applications  Transceiver IF Applications  Cellular, PCS, GSM, UMTS, LTE, WiMax/WLAN  Wireless Data, Satellite Terminals  Test Equipment Functional Block Diagram Product Description www.DataSheet.net/ RFMD’s RFSA2624 is a 6-bit Digital Step Attenuator (DSA) that features high linear- ity over the entire 31.5dB gain control range with excellent step accuracy in 0.5dB steps. The RFSA2624 is programmed via a serial mode control interface that is both 3V and 5V compatible. The RFSA2624 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, QFN packages. Ordering Information RFSA2624SR RFSA2624SQ RFSA2624TR7 RFSA2624TR13 RFSA2624PCK-410 7” Reel with 100 pieces Sample bag with 25 pieces 7” Reel with 750 pieces 13” Reel with 2500 pieces 50MHz to 4000MHz PCBA with 5-piece sample bag DS110408 Optimum Technology Matching® Applied GaAs HBT GaAs MESFET SiGe BiCMOS Si BiCMOS GaAs pHEMT Si CMOS GaN HEMT BiFET HBT 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 trade- mark 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 support, contact RFMD at (+1) 336-678-5570 or [email protected]. 1 of 9 Datasheet pdf - http://www.DataSheet4U.co.kr/ 1 page RFSA2624 Truth Table Control Bit C16 C8 C4 C2 C1 11111 11111 11110 11101 11011 10111 01111 00000 Note: C 0.5=D0, C1=D1, ... C16=D5 (for the purpose of the example below) C0.5 1 0 1 1 1 1 1 0 Relative Gain Setting Max gain -0.5 dB -1 dB -2 dB -4 dB -8 dB -16 dB -31.5 dB Serial Port Interface SPI Timing Diagram t6 t1 t2 t3 t4 t5 t8 CLK DATA LE t7 www.DataSheet.net/ t9 Programming example – 6-bit CLK DATA LE MSB LSB D5 D4 D3 D2 D1 D0 DOUT t10 SPI Timing Diagram Specifications Parameter t1 Limit 25 Unit MHz max Comment CLK Frequency t2 20 ns min CLK High t3 20 ns min CLK Low t4 5 ns min DATA to CLK Setup Time t5 5 ns min DATA to CLK Hold Time t6 30 ns min Data Valid t7 5 ns min LE to CLK Setup Time t8 5 ns min CLK to LE Setup Time t9 10 ns min LE Pulse Width t10 20 ns min Output Set LOGIC Voltage Levels State Logic Low 0V to 0.8V High 2.0V to 5.0V DS110408 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. 5 of 9 Datasheet pdf - http://www.DataSheet4U.co.kr/ 5 Page

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Número de pieza	Descripción	Fabricantes
RFSA2624	SERIAL CONTROLLED DIGITAL STEP ATTENUATOR	RF Micro Devices

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