參數(shù)資料
型號(hào)： LTC1403AIMSE-1#TRPBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： ADC
英文描述： Serial 12-Bit, 2.8Msps Sampling ADCs with Shutdown; Package: MSOP; No of Pins: 10; Temperature Range: -40°C to +85°C
中文描述： 1-CH 14-BIT PROPRIETARY METHOD ADC, SERIAL ACCESS, PDSO10
封裝： LEAD FREE, PLASTIC, MSOP-10
文件頁(yè)數(shù)： 6/22頁(yè)
文件大?。?/td> 575K
代理商： LTC1403AIMSE-1#TRPBF
LTC1403-1/LTC1403A-1
14031fb
applications inFormation
Board Layout and Bypassing
Wirewrapboardsarenotrecommendedforhighresolu-
tionand/orhighspeedA/Dconverters.Toobtainthebest
performancefromtheLTC1403-1/LTC1403A-1,aprinted
circuitboardwithgroundplaneisrequired.Layoutfor
theprintedcircuitboardshouldensurethatdigitaland
analogsignallinesareseparatedasmuchaspossible.
Inparticular,careshouldbetakennottorunanydigital
trackalongsideananalogsignaltrack.Ifoptimumphase
matchbetweentheinputsisdesired,thelengthofthetwo
inputwiresshouldbekeptmatched.
High quality tantalum and ceramic bypass capacitors
shouldbeusedattheVDDandVREFpinsasshowninthe
BlockDiagramonthefirstpageofthisdatasheet.Forop-
timumperformance,a10FsurfacemountAVXcapacitor
witha0.1FceramicisrecommendedfortheVDDandVREF
pins.Alternatively,10Fceramicchipcapacitorssuchas
MurataGRM219R60J106Mmaybeused.Thecapacitors
mustbelocatedasclosetothepinsaspossible.Thetraces
connectingthepinsandthebypasscapacitorsmustbe
keptshortandshouldbemadeaswideaspossible.
Figure7showstherecommendedsystemgroundconnec-
tions.Allanalogcircuitrygroundsshouldbeterminatedat
theLTC1403-1/LTC1403A-1GND(Pins4,5,6andexposed
pad).ThegroundreturnfromtheLTC1403-1/LTC1403A-1
(Pins 4, 5, 6 and exposed pad) to the power supply
shouldbelowimpedancefornoisefreeoperation.Digital
circuitrygroundsmustbeconnectedtothedigitalsupply
common.InapplicationswheretheADCdataoutputsand
controlsignals areconnectedtoacontinuously active
microprocessorbus,itispossibletogeterrorsinthe
conversionresults.Theseerrorsareduetofeedthrough
fromthemicroprocessortothesuccessiveapproximation
comparator.Theproblemcanbeeliminatedbyforcingthe
microprocessorintoaWaitstateduringconversionorby
usingthree-statebufferstoisolatetheADCdatabus.
POWER-DOWN MODES
Uponpower-up,theLTC1403-1/LTC1403A-1isinitialized
totheactivestateandisreadyforconversion.TheNap
andSleepmodewaveformsshowthepower-downmodes
fortheLTC1403-1/LTC1403A-1.TheSCKandCONVinputs
controlthepower-downmodes(seeTimingDiagrams).
TworisingedgesatCONV,withoutanyinterveningris-
ingedgesatSCK,puttheLTC1403-1/LTC1403A-1inNap
modeandthepowerdraindropsfrom14mWto6mW.
The internal reference remains powered in Nap mode.
Figure 7. Recommended Layout
14031F07
FREQUENCY (Hz)
MAGNITUDE
(dB)
–60
–30
–20
14031 F06b
–70
–80
–120
–100
0
–10
–40
–50
–90
–110
0
371k
185k
556k
741k
Figure 6b. LTC1403-1 6MHz Sine Wave 4096 Point FFT Plot
with the LT1819 Driving the Inputs Differentially
相關(guān)PDF資料
PDF描述
LTC1403CMSE-1#PBF Serial 12-Bit, 2.8Msps Sampling ADCs with Shutdown; Package: MSOP; No of Pins: 10; Temperature Range: 0°C to +70°C
LTC1403CMSE-1#TRPBF Serial 12-Bit, 2.8Msps Sampling ADCs with Shutdown; Package: MSOP; No of Pins: 10; Temperature Range: 0°C to +70°C
LTC1403IMSE-1#PBF Serial 12-Bit, 2.8Msps Sampling ADCs with Shutdown; Package: MSOP; No of Pins: 10; Temperature Range: -40°C to +85°C
LTC1403IMSE-1#TRPBF Serial 12-Bit, 2.8Msps Sampling ADCs with Shutdown; Package: MSOP; No of Pins: 10; Temperature Range: -40°C to +85°C
LTC1404CS8#PBF Complete SO-8, 12-Bit, 600ksps ADC with Shutdown; Package: SO; No of Pins: 8; Temperature Range: 0°C to +70°C
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC1403CMSE 功能描述:IC ADC 12BIT 2.8MSPS DIFF 10MSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個(gè)單端，單極
LTC1403CMSE#PBF 功能描述:IC ADC 12BIT 2.8MSPS 10-MSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個(gè)單端，單極 產(chǎn)品目錄頁(yè)面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6
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LTC1403CMSE#TRPBF 功能描述:IC ADC 12BIT 2.8MSPS DIFF 10MSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個(gè)單端，單極
LTC1403CMSE-1 功能描述:IC ADC 12BIT 2.8MSPS DIFF 10MSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個(gè)單端，單極
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