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DATA SHEET ? SKY12325-350LF THREE-BIT DIGITAL ATTENUATOR
Table 4. SKY12325-350LF Truth Table
Attenuation (Note 1)
(dB)
7
6
5
4
3
2
1
0
V1
(Pin 13)
Low
Low
Low
Low
High
High
High
High
V2
(Pin 14)
Low
Low
High
High
Low
Ow
High
High
V3
(Pin 15)
Low
High
Low
High
Low
High
Low
High
Note 1 : Attenuation normalized to insertion loss.
Note 2 : High = +2.7 V to 5.5 V . “ Low ” = – 0.2 V to +0.2 V.
Package Dimensions
The PCB layout footprint for the SKY12325- 350LF is shown in
Figure 7. Typical case markings are noted in Figure 8. Package
dimensions for the 16- pin QFN are shown in Figure 9 , and tape
and reel dimensions are provided in Figure 10.
Package and Handling Information
THE SKY12325- 350LF is rated to Moisture Sensitivity Level 1
(MSL 1 ) at 260 ° C. 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.
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.
Figure 7. SKY12325-350LF PCB Layout Footprint
Skyworks Solutions, Inc. ? Phone [781] 376 - 3000 ? Fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com
200423D ? Skyworks Proprietary Information ? Products and Product Information are Subject to Change Without Notice ? April 22 , 2011
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