ZADCS1084/1044/1024
10-BitꢀSARꢀADCꢀ8/4/2ꢀchannels
SARah – High Performance ADC
SARah
Brief Description
TheꢀZMDIꢀZADCS1084ꢀ/ꢀZADCS1044ꢀ/ꢀZADCS1024ꢀareꢀ10-Bitꢀ
highꢀspeedꢀanalog-to-digitalꢀ(A/D)ꢀconvertersꢀwithꢀupꢀtoꢀ1Mspsꢀ
conversionꢀrate.ꢀTheꢀconverterꢀisꢀbasedꢀonꢀsuccessive-approxi-
mation-registerꢀarchitecture.ꢀ
Allꢀconvertersꢀprovideꢀaꢀconfigurableꢀinputꢀmultiplexerꢀandꢀaꢀ
high-bandwidthꢀaꢀtrack/holdꢀcircuit.ꢀTheꢀanalogꢀinputsꢀofꢀtheꢀ
Benefits
differentꢀdevicesꢀareꢀsoftwareꢀconfigurableꢀasꢀeightꢀ/ꢀfourꢀ/ꢀtwoꢀ
singleꢀendedꢀorꢀfourꢀ/ꢀtwoꢀ/ꢀoneꢀdifferentialꢀinputꢀchannelsꢀasꢀ •ꢀ Scalableꢀsystemꢀsolutionsꢀpossibleꢀdueꢀtoꢀupwardꢀ/ꢀ
wellꢀasꢀforꢀunipolarꢀorꢀbipolarꢀoutputꢀcoding.ꢀꢀ ꢀ downwardꢀcompatibilityꢀwithinꢀtheꢀfamilyꢀ
Theꢀ ZADCS1084/ꢀ ZADCS1044ꢀ /ꢀ ZADCS1024ꢀ operateꢀ fromꢀ aꢀ ꢀ (ZADCS1xx2ꢀwithꢀ8,ꢀ10,ꢀ12ꢀbitꢀresolution,ꢀ2,4,8ꢀchannels)
singleꢀ+2.7Vꢀtoꢀ+5.25Vꢀsupply.ꢀ •ꢀ Accurateꢀmeasurements
Theꢀsynchronousꢀfourꢀwireꢀserialꢀinterfaceꢀconnectsꢀdirectlyꢀtoꢀ •ꢀ Longꢀbatteryꢀlifeꢀcyclesꢀdueꢀtoꢀlowꢀpowerꢀconsumption
aꢀmicrocontrollerꢀusingꢀoneꢀofꢀtheꢀstandardsꢀlikeꢀSPI™,ꢀQSPI™,ꢀ •ꢀ SynchronousꢀsamplingꢀwithꢀseveralꢀZADCSꢀpartsꢀinꢀparallel
andꢀMicrowire™ꢀwithoutꢀexternalꢀcomponents.
Theꢀ ZADCS1084/ꢀ ZADCS1044ꢀ /ꢀ ZADCS1024ꢀ useꢀ eitherꢀ theꢀ
externalꢀserial-interfaceꢀclockꢀorꢀanꢀinternallyꢀgeneratedꢀclockꢀ
toꢀperformꢀsuccessive-approximationꢀanalog-to-digitalꢀconver-
Features
sions.ꢀTheꢀinternalꢀclockꢀmodeꢀcanꢀbeꢀusedꢀtoꢀrunꢀsynchronousꢀ •ꢀ 10-BitꢀresolutionꢀSARꢀADC
conversionsꢀonꢀseveralꢀZMDIꢀADCsꢀinꢀparallel.
•ꢀ 2/4/8ꢀchannelꢀsingleꢀꢀorꢀ1/2/4ꢀchannelꢀdifferentialꢀinputs
Theꢀ“V”ꢀversionsꢀZADCS1084V/ꢀZADCS1044Vꢀ/ꢀZADCS1024Vꢀ •ꢀ Softwareꢀconfigurableꢀunipolarꢀorꢀbipolarꢀoutputꢀcode
areꢀequippedꢀwithꢀaꢀhighꢀaccurateꢀinternalꢀ2.5Vꢀreferenceꢀwithꢀ •ꢀ SPI™ꢀ/ꢀQSPI™,ꢀMicrowire™ꢀcompatibleꢀserialꢀinterface
anꢀadditionalꢀexternalꢀ±1.5%ꢀvoltageꢀadjustmentꢀrange.
•ꢀ Noꢀmissingꢀcodes
Theꢀdeviceꢀprovidesꢀaꢀhard-wiredꢀshut-downꢀpinꢀ(nSHDN)ꢀandꢀ •ꢀ Lowꢀpowerꢀconsumption
software-selectableꢀ power-downꢀ modesꢀ toꢀ automaticallyꢀ shutꢀ •ꢀ Internalꢀ2.5Vꢀreferenceꢀ(onlyꢀ“V”ꢀversionꢀ–ꢀ
downꢀtheꢀICꢀatꢀtheꢀendꢀofꢀaꢀconversion.ꢀAccessingꢀtheꢀserialꢀin-
ꢀ ZADCS1084V/ZADCS1044V/ZADCS1024V)ꢀ
terfaceꢀautomaticallyꢀpowersꢀupꢀtheꢀZADCS1084/ꢀZADCS1044ꢀ/ꢀ •ꢀ Softwareꢀprogrammableꢀpowerꢀdownꢀmode
ZADCS1024ꢀ.ꢀAꢀquickꢀturn-onꢀtimeꢀallowsꢀtheꢀdeviceꢀtoꢀbeꢀshutꢀ •ꢀ Single-SupplyꢀOperationꢀ+2.7Vꢀtoꢀ+5.25V
downꢀbetweenꢀmeasurements.
ForꢀmoreꢀdetailsꢀandꢀfurtherꢀZMDIꢀderivativesꢀpleaseꢀseeꢀwww.
zmdi.comꢀorꢀwww.zmdi.com/ADC.
Physical Characteristics
•ꢀ ADCꢀresolutionꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀꢀ10ꢀBit
•ꢀ Conversionꢀrateꢀꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀꢀ1ꢀMspsꢀ
•ꢀ Powerꢀsupplyꢀrangeꢀꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ 2.7Vꢀtoꢀ5.25V
Applications & Examples
•ꢀEmbeddedꢀcontrolꢀ&ꢀrealꢀtimeꢀapplications
•ꢀIndustrialꢀcontrolꢀ&ꢀprocessꢀcontrolꢀapplicationsꢀ
•ꢀMotionꢀcontrolꢀapplications
•ꢀThreeꢀphaseꢀmotorꢀcontrol
•ꢀPowerꢀgenerationꢀ(Solar,ꢀWindmills,ꢀetc.)
•ꢀDataꢀAcquisition
•ꢀ INLꢀꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ ±1ꢀLSBꢀmax.ꢀ
•ꢀ DNLꢀꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀꢀ±ꢀ1ꢀLSBꢀmax.ꢀ
•ꢀ SINADꢀꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀꢀ>70dB
•ꢀ Standbyꢀ(idle)ꢀcurrentꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ <1µA
•ꢀ Currentꢀconsumptionꢀ@ꢀ1ꢀMsps,ꢀ3Vꢀsupply
ꢀ -ꢀwithꢀinternalꢀreferenceꢀꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀꢀ<3mA
ꢀ -ꢀwithoutꢀinternalꢀreferenceꢀꢀ.ꢀ.ꢀ.ꢀ.ꢀꢀ<2.5mA
•ꢀ Temperatureꢀrangeꢀꢀ .ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ.ꢀ -25°Cꢀtoꢀ+85°C
•ꢀPortableꢀDataꢀLogging
•ꢀBattery-PoweredꢀSystems
SPIꢀandꢀQSPIꢀareꢀregisteredꢀtrademarksꢀofꢀMotorola,ꢀInc.ꢀ
MICROWIREꢀisꢀaꢀregisteredꢀtrademarkꢀofꢀNationalꢀSemiconductorꢀCorpꢀ
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