參數(shù)資料
型號(hào): EVAL-ADF4154EBZ1
廠商: Analog Devices Inc
文件頁數(shù): 14/24頁
文件大?。?/td> 0K
描述: BOARD EVALUATION FOR ADF4154EB1
標(biāo)準(zhǔn)包裝: 1
主要目的: 計(jì)時(shí),頻率合成器
嵌入式:
已用 IC / 零件: ADF4154
主要屬性: 單路分?jǐn)?shù)-N PLL
次要屬性: 19.2MHz PFD 圖形用戶界面
已供物品: 板,線纜,軟件
相關(guān)產(chǎn)品: ADF4154BCPZ-ND - IC FRACTION-N FREQ SYNTH 20LFCSP
ADF4154BRU-REEL7-ND - IC FRACTION-N FREQ SYNTH 16TSSOP
ADF4154BCPZ-RL7-ND - IC FRACTION-N FREQ SYNTH 20LFCSP
ADF4154BRUZ-RL7TR-ND - IC FRACTION-N FREQ SYNTH 16TSSOP
ADF4154BRUZ-RL-ND - IC FRACTION-N FREQ SYNTH 16TSSOP
ADF4154BRU-REEL-ND - IC FRACTION-N FREQ SYNTH 16TSSOP
ADF4154BCPZ-RL-ND - IC FRACTION-N FREQ SYNTH 20LFCSP
ADF4154BRUZ-ND - IC FRAC-N FREQ SYNTH 16-TSSOP
ADF4154BRU-ND - IC FRAC-N FREQ SYNTH 16-TSSOP
Data Sheet
ADF4154
Rev. C | Page 21 of 24
PCB DESIGN GUIDELINES FOR CHIP SCALE
PACKAGE
The lands on the chip scale package (CP-20-1) 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 ensures 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 to avoid shorting.
Thermal vias may be used on the printed circuit board thermal
pad to improve thermal performance of the package. If vias
are used, they should be incorporated into 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 of
copper to plug the via.
The user should connect the printed circuit board thermal pad
to AGND.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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