Texas Instruments ADS8370 Handleiding

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FEATURES

APPLICATIONS

DESCRIPTION

CDAC

_

+

Output

Latches

and

3-State

Drivers

FS

SAR

Conversion

and

Control Logic

Comparator

Clock

+IN

−IN

REFIN

CONVST

BUSY

CS

PD

4.096-V

Internal

Reference

REFOUT

SCLK

SDO

SB/2C

ADS8370

SLAS450–JUNE2005

16-BIT,600-kHz,PSEUDO-DIFFERENTIALINPUT,MICROPOWERSAMPLING

ANALOG-TO-DIGITALCONVERTERWITHSERIALINTERFACEANDREFERENCE

•PincompatibleWith18-BitADS8380

•600-kHzSampleRate

•±0.5LSBTyp,±1.25LSBMaxINL

•MedicalInstruments

•±0.4LSBTyp,±0.75LSBMaxDNL

•OpticalNetworking

•16-BitNMC

•TransducerInterface

•SINAD89.5dB,SFDR119dBatf

i

=1kHz

•HighAccuracyDataAcquisitionSystems

•High-SpeedSerialInterfaceupto40MHz

•Magnetometers

•OnboardReferenceBuffer

•Onboard4.096-VReference

•Pseudo-DifferentialInput,0Vto4.2V

TheADS8370isahighperformance16-bit,600-kHz

•OnboardConversionClock

A/Dconverterwithsingle-ended(pseudo-differential)

•SelectableOutputFormat,2'sComplementor

input.Thedeviceincludesan16-bitcapacitor-based

StraightBinary

SARA/Dconverterwithinherentsampleandhold.

TheADS8370offersahigh-speedCMOSserial

•ZeroLatency

interfacewithclockspeedsupto40MHz.

•WideDigitalSupply

•LowPower:

TheADS8370isavailableina28lead6×6QFN

packageandischaracterizedovertheindustrial

–110mWat600kHz

–40°Cto85°Ctemperaturerange.

–15mWDuringNapMode

–10µWDuringPowerDown

•28-Pin6x6QFNPackage

HighSpeedSARConverterFamily

Type/Speed500kHz~600kHz750kHZ1MHz1.25MHz2MHz3MHz4MHz

ADS8383ADS8381

18-BitPseudo-Diff

ADS8380(S)

18-BitPseudo-Bipolar,FullyDiffADS8382(S)

16-BitPseudo-DiffADS8370(S)ADS8371ADS8401/05ADS8411

16-BitPseudo-Bipolar,FullyDiffADS8372(S)ADS8402/06ADS8412

14-BitPseudo-DiffADS7890(S)ADS7891

12-BitPseudo-DiffADS7886ADS7881

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas

Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2005,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

Product specificaties