Texas Instruments ADS7830 Handleiding

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SAR

2.5V V

REF

Serial

Interface

SDA

Comparator

S/HAmp

REF/REF

INOUT

SCL

CH0

CH1

CH2

CH3

CH4

CH5

CH6

CH7

COM

A0

A1

CDAC

8-Channel

MUX

Buffer

ADS7830

www.ti.com

SBAS302C–DECEMBER2003–REVISEDOCTOBER2012

8-Bit,8-ChannelSampling

ANALOG-TO-DIGITALCONVERTER

withI

2

C™Interface

CheckforSamples:ADS7830

1

FEATURES

APPLICATIONS

23

•70kHzSAMPLINGRATE

•VOLTAGE-SUPPLYMONITORING

•±0.5LSBINL/DNL•ISOLATEDDATAACQUISITION

•8BITSNOMISSINGCODES•TRANSDUCERINTERFACE

•4DIFFERENTIAL/8SINGLE-ENDEDINPUTS•BATTERY-OPERATEDSYSTEMS

•2.7VTO5VOPERATION•REMOTEDATAACQUISITION

•BUILT-IN2.5VREFERENCE/BUFFER

DESCRIPTION

•SUPPORTSALLTHREEI

2

CMODES:

TheADS7830isasingle-supply,low-power,8-bit

Standard,Fast,andHigh-Speed

dataacquisitiondevicethatfeaturesaserialI

2

C

•LOWPOWER:

interfaceandan8-channelmultiplexer.TheAnalog-

180μW(StandardMode)

to-Digital(A/D)converterfeaturesasample-and-hold

300μW(FastMode)

amplifierandinternal,asynchronousclock.The

675μW(High-SpeedMode)

combinationofanI

2

Cserial,2-wireinterfaceand

micropowerconsumptionmakestheADS7830ideal

•DIRECTPINCOMPATIBLEWITHADS7828

forapplicationsrequiringtheA/Dconvertertobe

•TSSOP-16PACKAGE

closetotheinputsourceinremotelocationsandfor

applicationsrequiringisolation.TheADS7830is

availableinaTSSOP-16package.

1

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof

TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

2I

2

CisatrademarkofNXPSemiconductors.

3Allothertrademarksarethepropertyoftheirrespectiveowners.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2003–2012,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

Product specificaties