USA - RFMD’s (www.rfmd.com) 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