RFSA2514/2524 5-Bit Serial-Controlled Digital Step Attenuators

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.

Features

• 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

Applications

• Transceiver RF and IF Applications
• 2G, 3G, LTE, WiMax/WiFi
• Wireless Data, Satellite Terminals
• Test Equipment

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 
https://estore.rfmd.com/RFMD_OnlineStore/Products/RFMD+Parts/PID-P_RFSA2514.aspx. 

For more information on RFSA2524, visit 
https://estore.rfmd.com/RFMD_Onlinestore/Products/RFMD+Parts/PID-P_RFSA2524.aspx.