參數(shù)資料
型號(hào): ADF4108BCPZ
廠商: Analog Devices Inc
文件頁數(shù): 11/20頁
文件大?。?/td> 0K
描述: IC PLL FREQUENCY SYNTH 20-LFCSP
標(biāo)準(zhǔn)包裝: 1
類型: 時(shí)鐘/頻率合成器,RF
PLL:
輸入: CMOS,TTL
輸出: 時(shí)鐘
電路數(shù): 1
比率 - 輸入:輸出: 2:1
差分 - 輸入:輸出: 是/無
頻率 - 最大: 8GHz
除法器/乘法器: 無/無
電源電壓: 3.2 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 20-LFCSP-VQ
包裝: 托盤
產(chǎn)品目錄頁面: 551 (CN2011-ZH PDF)
Data Sheet
ADF4108
Rev. E | Page 19 of 20
PCB DESIGN GUIDELINES FOR CHIP SCALE PACKAGE
The lands on the chip scale package (CP-20-6) 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. This ensures that
shorting is avoided.
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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ADF4108BRUZ-RL 制造商:AD 制造商全稱:Analog Devices 功能描述:PLL Frequency Synthesizer
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