Texas Instruments ADS1000 Handleiding

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FEATURESDESCRIPTION

APPLICATIONS

ADS1000

Clock

Oscillator

IC

Interface

2

A/D

Converter

PGA

A=1,2,4,or8

V

DD

V

IN+

V

IN-

GND

SDA

SCL

ADS1000

SBAS357A–SEPTEMBER2006–REVISEDOCTOBER2007

LOW-POWER,12-BitANALOG-TO-DIGITALCONVERTER

withI

2

C™INTERFACE

23

•Complete12-BitDataAcquisitionSystemin

TheADS1000isanI

2

C-compatibleserialinterface

aTinySOT-23Package

Analog-to-Digital(A/D)converterwithdifferential

inputsand12bitsofresolutioninatinySOT23-6

•LowCurrentConsumption:Only90μA

package.Conversionsareperformedratiometrically,

•IntegralNonlinearity:1LSBMax

usingthepowersupplyasthereferencevoltage.The

•Single-CycleConversion

ADS1000operatesfromasinglepowersupply

rangingfrom2.7Vto5.5V.

•ProgrammableGainAmplifier

Gain=1,2,4,or8

TheADS1000performsconversionsatarateof128

•128SPSDataRate

samplespersecond(SPS).Theonboard

programmablegainamplifier(PGA),whichoffers

•I

2

CInterfacewithTwoAvailableAddresses

gainsofupto8,allowssmallersignalstobe

•PowerSupply:2.7Vto5.5V

measuredwithhighresolution.Insingle-conversion

•Pin-andSoftware-Compatiblewith16-Bit

mode,theADS1000automaticallypowersdownafter

ADS1100

aconversion,greatlyreducingcurrentconsumption

duringidleperiods.

TheADS1000isdesignedforapplicationswhere

•VoltageMonitors

spaceandpowerconsumptionaremajor

considerations.Typicalapplicationsincludeportable

•BatteryManagement

instrumentation,consumergoods,andvoltage

•IndustrialProcessControl

monitoring.

•ConsumerGoods

•TemperatureMeasurement

1

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof

TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

2I2CisatrademarkofNXPSemiconductors,Inc.

3Allothertrademarksarethepropertyoftheirrespectiveowners.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2006–2007,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

Product specificaties