RFSA2644/2654 6-Bit Serial-Controlled Digital Step Attenuators

RFMD’s new RFSA2644/2654 6-bit digital step attenuators (DSAs) feature high linearity over their entire 31.5dB gain control range with excellent step accuracy in 0.5dB 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
• RFSA2644: 50MHz to 4000MHz
• RFSA2654: 5MHz to 2000MHz
• Attenuation Range and Step: 31.5dB , 0.5dB
• Step Accuracy: +/-(0.1dB + 5% attenuation range)
• IIP3 >50dBm 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
• CATV/Satellite Set Top Boxes
• Cable Modems
• CATV Infrastructure
• Data Network Equipment

Both the RFSA2644 and RFSA2654 are currently available in production quantities. Pricing begins at $1.76 each for 750 pieces.

For more information on RFSA2644, visit 
https://estore.rfmd.com/RFMD_OnlineStore/Products/RFMD%20Parts/PID-P_RFSA2644.aspx. 

For more information on RFSA2654, visit 
https://estore.rfmd.com/RFMD_Onlinestore/Products/RFMD+Parts/PID-P_RFSA2654.aspx.