SKY13251-349LF【PDF 1/5 页】IC SWITCH SP3T GAAS 8QFN

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DATA SHEET

SKY13251-349, SKY13251-349LF: SP3T Switch for

Bluetooth ? and 802.11b, g

Applications

Simplified Block Diagram

802.11b, g

RF3

V 3

G Bluetooth ?

G Zigbee?

G TDMA/GSM/EDGE CDMA/WCDMA

G Other short-range wireless applications

Positive low voltage control (0/+2.4 V)

Features

G Low insertion loss (<0.5 dB @ 2.5 GHz)

RFC

RF2

V 1

G High isolation RF2, RF3 paths (29 dB @ 2.5 GHz

and 27 dB @ 2.5 GHz)

G Miniature QFN-8 lead exposed paddle 2 x 2 mm

RF1

V 2

G PHEMT process

G Available lead (Pb)-free and RoHS-compliant MSL-1 @ 260 °C

NEW

Skyworks offers lead (Pb)-free, RoHS (Restriction of

Hazardous Substances)-compliant packaging.

per JEDEC J-STD-020

Description

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 ? from 802.11b, g and designs that require combining

TDMA, GSM, EDGE, CDMA, WCDMA with other short-range wire-

less 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.

A fully populated evaluation board is available.

Skyworks Solutions, Inc. ? Phone [781] 376-3000 ? Fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com

200609 Rev. E ? Skyworks Proprietary Information ? Products and Product Information are Subject to Change Without Notice. ? April 10, 2007

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