RFMD® Intros RFSA2514/2524, 5-Bit Serial-Controlled Digital Step Attenuators
July 17, 2012
Sr. Manager, Communications
RFMD’s new RFSA2514/2524 5-bit digital step attenuators (DSAs) feature high linearity over their entire gain control range with excellent step accuracy in 0.5dB (RFSA2514) or 1dB (RFSA2524) steps. They are programmed via a serial mode control interface that is both 3V and 5V compatible. They also offer 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.
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Frequency Range 50MHz to 4000MHz
Attenuation Range and Step
RFSA2514: 15.5dB, 0.5dB
RFSA2524: 31dB, 1dB
Step Accuracy: +/-(0.1dB + 5% attenuation range)
Insertion Loss: 1.2dB @ 2GHz
High Linearity: IIP3 >48dBm For All Steps
3V and 5V Logic-Compatible
Serial Programming Interface
Power-Up Programming Modes
Transceiver RF and IF Applications
2G, 3G, LTE, WiMax/WiFi
Wireless Data, Satellite Terminals
Both the RFSA2514 and RFSA2524 are currently available in production quantities. Pricing begins at $1.60 each for 750 pieces.
For more information on RFSA2514, visit
For more information on RFSA2524, visit
RF Micro Devices, Inc. (Nasdaq GS: RFMD) is a global leader in the design and manufacture of high-performance radio frequency components and compound semiconductor technologies. RFMD’s products enable worldwide mobility, provide enhanced connectivity and support advanced functionality in the cellular handset, wireless infrastructure, wireless local area network (WLAN), CATV/broadband and aerospace and defense markets. RFMD is recognized for its diverse portfolio of semiconductor technologies and RF systems expertise and is a preferred supplier to the world's leading mobile device, customer premises and communications equipment providers.
Headquartered in Greensboro, N.C., RFMD is an ISO 9001- and ISO 14001-certified manufacturer with worldwide engineering, design, sales and service facilities. RFMD is traded on the NASDAQ Global Select Market under the symbol RFMD. For more information, please visit RFMD's web site at www.rfmd.com.
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