SKY13251-349LF

SP3T Switch for 802.11b, g and Bluetooth® Applications

The SKY13251-349 is a PHEMT GaAs IC SP3T switch in a 2 x 2 mm QFN-8E package. The high isolation, low loss, small size and low-cost features make this switch ideal for isolating Bluetooth® signals in 802.11b, g circuits and designs that require combining TDMA, GSM, EDGE, CDMA, WCDMA with other short-range wireless applications. This switch is also available in a lead (Pb)- free package that is fully compliant with current RoHS requirements.

The SKY12351-349 employs an asymmetrical design for improved performance as a transmit-receive switch. The path between the RF common (RFC) and RF1 is optimized for low loss transmit use, while the remaining two paths, RFC to RF2 and RFC to RF3, are optimized to produce higher isolation in receiver signal paths.

Data Sheets

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Specifications

Product LifecycleEnd Of Life

Description (Absorptive/ Reflective)SP3T (R)

Frequency (GHz) Min.LF

Frequency (GHz) Max.3.0

Typ. IL (dB)0.35-0.6

Typ. Isol. (dB)29-15

Typ. IIP3 (dBm)46

Typ. IP_{1 dB} (dBm)25

Control Logic

PackageQFN, 8L

Package (mm)2 x 2 x 0.9

Features

Positive low voltage control (0/+2.4 V)
Low insertion loss (<0.5 dB @ 2.5 GHz)
High isolation RF2, RF3 paths (29 dB @ 2.5 GHz and 27 dB @ 2.5 GHz)
Miniature QFN-8 lead exposed paddle 2 x 2 mm
PHEMT process
Available lead (Pb)-free and RoHS-compliant MSL-1 @ 260 °C per JEDEC J-STD-020

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