SKY12146-321

DATA SHEET SKY12146-321, SKY12146-321LF: GaAs IC 25 dB Voltage Variable Attenuator 2.7–4 GHz Features Power control for 3.5 GHz fixed wireless applications G Minimum 25 dB attenuation www.DataSheet4U.com G Positive 0.2–1.2 V control voltage G QFN-12 3 x 3 mm package G Low cost G No external components needed G Available lead (Pb)-free and RoHS-compliant MSL-1 @ 260 °C per JEDEC J-STD-020 G Pin Out N/C N/C 11 12 10 J1 N/C N/C N/C 1 2 3 9 8 7 J2 N/C N/C 5 N/C 4 Description The SKY12146-321 is a GaAs IC PHEMT voltage variable attenuator that has been designed for WLAN applications. Operating from 2.7–4 GHz, the SKY12146-321 is ideal for low-cost applications such as 3.5 GHz fixed wireless LAN power control applications. Ground is connected to paddle on bottom. NEW Skyworks offers lead (Pb)-free, RoHS (Restriction of Hazardous Substances)-compliant packaging. Electrical Specifications at 25 °C ZO = 50 Ω, unless otherwise noted Parameter Insertion loss (VC = 1.2 V) Maximum attenuation (VC = 0.2 V) VSWR — all ports Frequency 2.7–4 GHz 2.7–4 GHz 2.7–4 GHz 22 Min. Typ. 1.5 25 1.5 1.8 Max. 1.8 Unit dB dB Operating Characteristics at 25 °C (0, 1.2 V) ZO = 50 Ω, unless otherwise noted Parameter Switching characteristics Rise, fall On, off Video feedthru Maximum input power for < 1 dB attenuation variation Input 3rd order intercept point (IIP3) Control voltage 10/90% or 90/10% RF 50% CTL to 90/10% RF TRISE = 1 ns, BW = 500 MHz 2.7–4 GHz 2.7–4 GHz 0.2 50 150 25 13 20 1.2 n...