SKY12146-321LF【PDF 4/9 页】IC VAR VOLT ATTEN 12QFN

DATA SHEET " SKY12146-321LF VARIABLE VOLTAGE ATTENUATOR

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

April 11, 2011 " Skyworks Proprietary Information " Products and Product Information are Subject to Change Without Notice " 200270J

Figure 5. Typical Input Return Loss vs VC

Figure 7. Typical Loss vs Control Voltage

Figure 6. Typical Output Return Loss vs VC

Figure 8. IIP3 vs Frequency

Evaluation Board Description

The SKY12146-321LF Evaluation Board is used to test the

performance of the SKY12146-321LF attenuator. An assembly

drawing for the Evaluation Board is shown in Figure 9 and an

Evaluation Board schematic diagram is shown in Figure 10.

Package Dimensions

The PCB layout footprint for the SKY12146-321LF is shown in

Figure 11. Typical case markings are noted in Figure 12. Package

dimensions for the 12-pin QFN are shown in Figure 13, and tape

and reel dimensions are provided in Figure 14.

Package and Handling Information

Instructions on the shipping container label regarding exposure to

moisture after the container seal is broken must be followed.

Otherwise, problems related to moisture absorption may occur

when the part is subjected to high temperature during solder

assembly.

THE SKY12146-321LF is rated to Moisture Sensitivity Level 1

(MSL1) at 260 癈. It can be used for lead or lead-free soldering.

For additional information, refer to the Skyworks Application Note,

Solder Reflow Information, document number 200164.

Care must be taken when attaching this product, whether it is

done manually or in a production solder reflow environment.

Production quantities of this product are shipped in a standard

tape and reel format.

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