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LTC6257CMS-TRPBF Datasheet(PDF) 1 Page - Linear Technology |
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LTC6257CMS-TRPBF Datasheet(HTML) 1 Page - Linear Technology |
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1 / 24 page  LTC6255/LTC6256/LTC6257 625567f ApplicAtions n MicropowerActiveFilters n PortableInstrumentation n BatteryorSolarPoweredSystems n AutomotiveElectronics n GainBandwidthProduct:6.5MHz n –3dBBandwidth(AV=+1):4.5MHz n LowQuiescentCurrent:65µA n StableforCapacitiveLoadUpto100nF n OffsetVoltage:350µVMaximum n Rail-to-RailInputandOutput n SupplyVoltageRange:1.8Vto5.25V n InputBiasCurrent:35nAMaximum n CMRR/PSRR:100dB/100dB n ShutdownCurrent:7µAMaximum n OperatingTemperatureRange:–40°Cto125°C n Singlein6-LeadTSOT-23Package n Dualin8-LeadMS8,MS10,TS0T-23,2mm ×2mm ThinDFNPackages n QuadinMS16Package typicAl ApplicAtion Description 6.5MHz, 65µA Power Efficient Rail-to-Rail I/O Op Amps The LTC®6255/LTC6256/LTC6257 are single/dual/quad operational amplifiers with low noise, low power, low supply voltage, rail-to-rail input/output. They are unity gainstablewithcapacitiveloadupto100nF.Theyfeature 6.5MHzgain-bandwidthproduct,1.8V/µsslewratewhile consumingonly65µAofsupplycurrentperamplifierop- eratingonsupplyvoltagesrangingfrom1.8Vto5.25V.The combinationoflowsupplycurrent,lowsupplyvoltage,high gainbandwidthproductandlownoisemakestheLTC6255 familyuniqueamongrail-to-railinput/outputopampswith similarsupplycurrents.Theseoperationalamplifiersare idealforlowpowerandlownoiseapplications. Forapplicationsthatrequirepower-down,LTC6255and LTC6256 in S6 and MS10 packages offer shutdown pins which reduces the current consumption to 7µA maximum. TheLTC6255familycanbeusedasplug-inreplacements formanycommerciallyavailableopampstoreducepower ortoimproveinput/outputrangeandperformance. L ,LT,LTC,LTM,LinearTechnologyandtheLinearlogoareregisteredtrademarksand Over-The-TopisatrademarkofLinearTechnologyCorporation.Allothertrademarksarethe propertyoftheirrespectiveowners. LowPower,LowDistortionADCDriver FeAtures LTC6255DrivingLTC2361ADC VIN = –1dBFS, 5kHz fS = 125kSps SNR = 72.5dB SFDR = 89dB tACQ = 5µs tCONV = 3µs FREQUENCY (kHz) 625567 TA01b 0 10 20 30 40 50 60 0 –30 –50 –10 –110 –20 –40 –60 –70 –80 –90 –100 LTC6255 VIN 5mV TO 2V 3.3V 3.3V 10k 1% 22pF 6.34k, 1% 324 1% 470pF NPO GND CS SDO SCK OVDD VDD AIN ISUPPLY = 540µA TOTAL AT 125kSps VREF 625567 TA01a LTC2361 |
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