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RFSA2644

RFMD
Part Number RFSA2644
Manufacturer RFMD
Description SERIAL CONTROLLED DIGITAL STEP ATTENUATOR
Published Aug 20, 2012
Detailed Description RFSA2644 Serial Controlled Digital Step Attenuator RFSA2644 SERIAL CONTROLLED DIGITAL STEP ATTENUATOR 50MHz TO 4000MHz,...
Datasheet PDF File RFSA2644 PDF File

RFSA2644
RFSA2644

Overview
RFSA2644 Serial Controlled Digital Step Attenuator RFSA2644 SERIAL CONTROLLED DIGITAL STEP ATTENUATOR 50MHz TO 4000MHz, 6-BIT, 0.
5dB LSB Package: MCM, 24-Pin, 4.
2mm x 4.
2mm DATA PUP 20 NC CLK 24 23 22 21 Features  NC 19 LE GND VDD GND RF1 GND GND 1 18 GND GND GND RF2 GND GND Frequency Range 50MHz to 4000MHz 6-Bits, 31.
5dB Range, 0.
5dB Step High Linearity, IP3 >48dBm 3V and 5V Logic Compatible Serial-to-Parallel Controller Serial Programming Interface Power-up Programming Modes On-Chip ESD Protection Class 1C HBM Single Supply, 3V to 5V Operation Footprint Compatible with Most 24-Pin, 4mm x 4mm, QFNs 2 SPI 17 3 16  4 15       5 6-Bit DSA 14 6 13 7 8 9 10 11 12 GND GND GND GND Functional Block Diagram   Product Description RFMD’s RFSA2644 is a 6-bit digital step attenuator (DSA) that features high linearity over the entire 31.
5dB gain control range with excellent step accuracy in 0.
5dB steps.
The RFSA2644 is programmed via a serial mode control interface that is both 3V and 5V compatible.
The RFSA2644 also offers a rugged Class 1C HBM ESD rating via on-chip ESD circuitry.
The MCM package is footprint compatible with most 24-pin, 4mm x 4mm, QFN packages.
www.
DataSheet.
net/ Applications  Transceiver RF and IF Applications Cellular, PCS, GSM, UMTS, LTE, WiMax/WiFi Wireless Data, Satellite Terminals Test Equipment    Ordering Information RFSA2644SR RFSA2644SQ RFSA2644TR7 RFSA2644TR13 RFSA2644PCK-410 7” Sample reel with 100 pieces 25-Piece sample bag 7” Reel with 750 pieces 13” Reel with 2500 pieces 50MHz to 4000MHz PCBA with 5-piece sample bag Optimum Technology Matching® Applied GaAs HBT GaAs MESFET InGaP HBT SiGe BiCMOS Si BiCMOS SiGe HBT GND GaAs pHEMT Si CMOS Si BJT GND GaN HEMT BiFET HBT RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC.
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