ADC161S626 datasheet pdf

CONTROLLER VA VIO +IN -IN GNDGND 3-wire SPI MCU VIO independent of VA SAR ADC VREF Fully Differential Input Wide Supply Range VREF independent of VA VIO Product Folder Sample & Buy Technical Documents Tools & Software Support & Community ADC161S626 SNAS468D–SEPTEMBER2008–REVISEDDECEMBER2014 ADC161S62616-Bit,50 to 250 kSPS,DifferentialInput, MicroPowerADC 1 Features3 Description TheADC161S626is a 16-bitsuccessive- 1 • 16-bitResolutionWithNo MissingCodes approximationregister(SAR)Analog-to-Digital • EnsuredPerformancefrom50 to 250 kSPS converter(ADC)witha maximumsamplingrateof • ±0.003%SignalSpanAccuracy 250 kSPS.The ADC161S626has a minimumsignal spanaccuracyof ±0.003%overthe temperaterange • SeparateDigitalInput/OutputSupply of−40°C to +85°C. Theconverterfeaturesa • TrueDifferentialInput differentialanaloginputwithan excellentcommon- • ExternalVoltageReferenceRangeof 0.5 V to V A modesignalrejectionratioof 85 dB, makingthe ADC161S626suitablefor noisyenvironments. • Zero-PowerTrackModewith 0-μsec Wake-up Delay TheADC161S626operateswitha singleanalog • WideInputCommon-modeVoltageRangeof 0 V supply(V A ) and a separatedigitalinput/output(V IO ) to V A supply.V A can rangefrom4.5 V to 5.5 V and V IO can rangefrom2.7 V to 5.5 V. Thisallowsa system • SPI/QSPI™/MICROWIRE™ CompatibleSerial designerto maximizeperformanceandminimize Interface powerconsumptionby operatingthe analogportionof • OperatingTemperatureRangeof−40°C to +85°C the ADCat a V A of 5 V whileinterfacingwith a 3.3-V • SmallVSSOP-10Package controller.Theserialdataoutputis binary2's complementand is SPI compatible. • Key Specifications – ConversionRate50 to 250 kSPS Theperformanceof the ADC161S626is ensured overtemperatureat clockratesof 1 MHzto 5 MHz – DNL+0.8/−0.5 LSB andreferencevoltagesof 2.5 V to 5.5 V. The – INL ±0.8 LSB ADC161S626is availablein a small10-leadVSSOP – OffsetErrorTempDrift 2.5μV/°C package.Thehighaccuracy,differentialinput,low powerconsumption,andsmallsizemakethe – GainErrorTempDrift 0.3 ppm/°C ADC161S626idealfor directconnectionto bridge – SNR93.2dBc sensorsand transducersin batteryoperatedsystems – THD−104 dBc or remotedataacquisitionapplications. – PowerConsumption DeviceInformation (1) – 10 kSPS,5 V 0.24mW PARTNUMBERPACKAGEBODYSIZE(NOM) – 200 kSPS,5 V 5.3 mW ADC161S626VSSOP(10)3.00mm × 3.00mm – 250 kSPS,5 V 5.8 mW (1) For all availablepackages,see the orderableaddendumat – Power-Down,5 V 10μW the end of the datasheet. 2 Applications TypicalApplicationSchematic • DirectSensorInterface • I/O Modules • DataAcquisition • PortableSystems • MotorControl • MedicalInstruments • Instrumentationand ControlSystems 1 An IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty,changes,use in safety-criticalapplications, intellectualpropertymattersand otherimportantdisclaimers.PRODUCTIONDATA.

Features

• -IN
• • 16-bitResolutionWithNo MissingCodes
• • EnsuredPerformancefrom50 to 250 kSPS
• • ±0.003%SignalSpanAccuracy
• • SeparateDigitalInput/OutputSupply
• • TrueDifferentialInput
• • ExternalVoltageReferenceRangeof 0.5 V to V
• • Zero-PowerTrackModewith 0-μsec Wake-up
• • WideInputCommon-modeVoltageRangeof 0 V
• • SPI/QSPI™/MICROWIRE™ CompatibleSerial
• • OperatingTemperatureRangeof−40°C to +85°C
• • SmallVSSOP-10Package
• • Key Specifications
• • DirectSensorInterface
• • I/O Modules
• • DataAcquisition
• • PortableSystems
• • MotorControl
• • MedicalInstruments
• • Instrumentationand ControlSystems