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LTC6255CS6-TRMPBF PDF预览

LTC6255CS6-TRMPBF

更新时间: 2024-11-13 11:47:15
品牌 Logo 应用领域
凌特 - Linear 运算放大器
页数 文件大小 规格书
24页 484K
描述
6.5MHz, 65μA Power Efficient Rail-to-Rail I/O Op Amps

LTC6255CS6-TRMPBF 数据手册

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LTC6255/LTC6256/LTC6257  
6.5MHz, 65µA Power  
Efficient Rail-to-Rail I/O  
Op Amps  
FeAtures  
Description  
Theꢀ LTC®6255/LTC6256/LTC6257ꢀ areꢀ single/dual/quadꢀ  
operationalꢀ amplifiersꢀ withꢀ lowꢀ noise,ꢀ lowꢀ power,ꢀ lowꢀ  
supplyvoltage,rail-to-railinput/output.Theyareunityꢀ  
gainꢀstableꢀwithꢀcapacitiveꢀloadꢀupꢀtoꢀ100nF.ꢀTheyꢀfeatureꢀ  
6.5MHzꢀgain-bandwidthꢀproduct,ꢀ1.8V/µsꢀslewꢀrateꢀwhileꢀ  
consumingꢀonlyꢀ65µAꢀofꢀsupplyꢀcurrentꢀperꢀamplifierꢀop-  
eratingonsupplyvoltagesrangingfrom1.8Vto5.25V.Theꢀ  
combinationoflowsupplycurrent,lowsupplyvoltage,highꢀ  
gainbandwidthproductandlownoisemakestheLTC6255ꢀ  
familyuniqueamongrail-to-railinput/outputopampswithꢀ  
similarꢀsupplyꢀcurrents.ꢀTheseꢀoperationalꢀamplifiersꢀareꢀ  
idealꢀforꢀlowꢀpowerꢀandꢀlowꢀnoiseꢀapplications.  
n
ꢀ GainꢀBandwidthꢀProduct:ꢀ6.5MHz  
n
ꢀ –3dBꢀBandwidthꢀ(A ꢀ=ꢀ+1):ꢀ4.5MHz  
V
n
n
n
n
n
n
n
n
n
n
n
ꢀ LowꢀQuiescentꢀCurrent:ꢀ65µA  
ꢀ StableꢀforꢀCapacitiveꢀLoadꢀUpꢀtoꢀ100nF  
ꢀ OffsetꢀVoltage:ꢀ350µVꢀMaximum  
ꢀ Rail-to-RailꢀInputꢀandꢀOutput  
ꢀ SupplyꢀVoltageꢀRange:ꢀ1.8Vꢀtoꢀ5.25V  
ꢀ InputꢀBiasꢀCurrent:ꢀ35nAꢀMaximum  
ꢀ CMRR/PSRR:ꢀ100dB/100dB  
ꢀ ShutdownꢀCurrent:ꢀ7µAꢀMaximum  
ꢀ OperatingꢀTemperatureꢀRange:ꢀ–40°Cꢀtoꢀ125°C  
ꢀ Singleꢀinꢀ6-LeadꢀTSOT-23ꢀPackage  
ꢀ Dualꢀinꢀ8-LeadꢀMS8,ꢀMS10,ꢀTS0T-23,ꢀ2mmꢀ×ꢀ2mmꢀ  
ThinꢀDFNꢀPackages  
Forꢀapplicationsꢀthatꢀrequireꢀpower-down,ꢀLTC6255ꢀandꢀ  
LTC6256ꢀ inꢀ S6ꢀ andꢀ MS10ꢀ packagesꢀ offerꢀ shutdownꢀ  
pinsꢀ whichꢀ reducesꢀ theꢀ currentꢀ consumptionꢀ toꢀ 7µAꢀ  
maximum.  
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ꢀ QuadꢀinꢀMS16ꢀPackage  
ApplicAtions  
TheꢀLTC6255ꢀfamilyꢀcanꢀbeꢀusedꢀasꢀplug-inꢀreplacementsꢀ  
formanycommerciallyavailableopampstoreducepowerꢀ  
orꢀtoꢀimproveꢀinput/outputꢀrangeꢀandꢀperformance.  
L,ꢀLT,LTC,ꢀLTM,ꢀLinearꢀTechnologyꢀandꢀtheꢀLinearꢀlogoꢀareꢀregisteredꢀtrademarksꢀandꢀꢀ  
Over-The-TopꢀisꢀaꢀtrademarkꢀofꢀLinearꢀTechnologyꢀCorporation.ꢀAllꢀotherꢀtrademarksꢀareꢀtheꢀ  
propertyꢀofꢀtheirꢀrespectiveꢀowners.  
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ꢀ MicropowerꢀActiveꢀFilters  
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ꢀ PortableꢀInstrumentation  
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ꢀ BatteryꢀorꢀSolarꢀPoweredꢀSystems  
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ꢀ AutomotiveꢀElectronics  
typicAl ApplicAtion  
LTC6255ꢀDrivingꢀLTC2361ꢀADC  
LowꢀPower,ꢀLowꢀDistortionꢀADCꢀDriver  
0
V
S
= –1dBFS, 5kHz  
IN  
3.3V  
–10  
–20  
–30  
–40  
–50  
–60  
–70  
–80  
–90  
–100  
–110  
f
= 125kSps  
SNR = 72.5dB  
SFDR = 89dB  
3.3V  
t
t
= 5µs  
= 3µs  
ACQ  
CONV  
V
V
REF  
DD  
+
V
CS  
SDO  
SCK  
IN  
324Ω  
1%  
5mV TO 2V  
LTC6255  
LTC2361  
GND  
A
IN  
470pF  
NPO  
OV  
DD  
625567 TA01a  
6.34k, 1%  
22pF  
10k  
1%  
I
= 540µA TOTAL AT 125kSps  
SUPPLY  
0
10  
20  
30  
40  
50  
60  
FREQUENCY (kHz)  
625567 TA01b  
625567f  

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