參數(shù)資料
型號: ADF4108BRUZ-RL7
廠商: ANALOG DEVICES INC
元件分類: XO, clock
英文描述: PLL Frequency Synthesizer
中文描述: PLL FREQUENCY SYNTHESIZER, 8000 MHz, PDSO16
封裝: LEAD FREE, TSSOP-16
文件頁數(shù): 19/20頁
文件大?。?/td> 350K
代理商: ADF4108BRUZ-RL7
ADF4108
PCB DESIGN GUIDELINES FOR CHIP SCALE PACKAGE
The lands on the chip scale package (CP-20) are rectangular.
The printed circuit board pad for these should be 0.1 mm
longer than the package land length and 0.05 mm wider than
the package land width. The land should be centered on the
pad. This will ensure that the solder joint size is maximized.
The bottom of the chip scale package has a central thermal pad.
The thermal pad on the printed circuit board should be at least
as large as this exposed pad. On the printed circuit board, there
should be a clearance of at least 0.25 mm between the thermal
pad and the inner edges of the pad pattern. This will ensure that
shorting is avoided.
Rev. 0 | Page 19 of 20
Thermal vias can be used on the printed circuit board thermal
pad to improve thermal performance of the package. If vias are
used, they should be incorporated in the thermal pad at 1.2 mm
pitch grid. The via diameter should be between 0.3 mm and
0.33 mm and the via barrel should be plated with 1 oz. copper
to plug the via.
The user should connect the printed circuit board thermal pad
to AGND.
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