參數(shù)資料
型號(hào): LTC2309IUF#PBF
廠商: Linear Technology
文件頁(yè)數(shù): 13/26頁(yè)
文件大?。?/td> 0K
描述: IC ADC 12BIT SAR 24-QFN
標(biāo)準(zhǔn)包裝: 91
位數(shù): 12
采樣率(每秒): 14k
數(shù)據(jù)接口: I²C,串行
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 15mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 24-QFN 裸露焊盤(4x4)
包裝: 管件
輸入數(shù)目和類型: 8 個(gè)單端,單極;8 個(gè)單端,雙極;4 個(gè)差分,單極;4 個(gè)差分,雙極
產(chǎn)品目錄頁(yè)面: 1349 (CN2011-ZH PDF)
配用: DC1337A-ND - BOARD SAR ADC LTC2309
LTC2309
0
2309fd
AppLICAtIOns InFORMAtIOn
Figure 16a. Top Silkscreen
2309 F16a
Board Layout and Bypassing
Toobtainthebestperformance,aprintedcircuitboardwith
asolidgroundplaneisrequired.Layoutfortheprinted
boardshouldensuredigitalandanalogsignallinesare
separatedasmuchaspossible.Careshouldbetakennot
torunanydigitalsignalsalongsideananalogsignal.All
analoginputsshouldbeshieldedbyGND.VREF,REFCOMP
andVDDshouldbebypassedtothegroundplaneasclose
tothepinaspossible.Maintainingalowimpedancepath
for the common return of these bypass capacitors is
essentialtothelownoiseoperationoftheADC.These
tracesshouldbeaswideaspossible.SeeFigures16a-e
forasuggestedlayout.
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