Texas Instruments ADS8508 Handleiding

Bekijk gratis de handleiding van Texas Instruments ADS8508 (31 pagina’s), behorend tot de categorie Niet gecategoriseerd. Deze gids werd als nuttig beoordeeld door 2 mensen en kreeg gemiddeld 4.8 sterren uit 6 reviews. Heb je een vraag over Texas Instruments ADS8508 of wil je andere gebruikers van dit product iets vragen? Stel een vraag

 

  

FEATURESAPPLICATIONS

DESCRIPTION

Successive Approximation Register

Clock

Comparator

CS

CDAC

Buffer

REF

CAP

R1

IN

10 kΩ

4.9 kΩ

Internal

+2.5 V Ref

4 kΩ

Serial

Data

Out

&

Control

BUSY

DATACLK

DATA

2.5 kΩ

9.8 kΩ

R2

IN

R3

IN

EXT/INT

R/C

SB/BTC

PWRD

ADS8508

SLAS433–SEPTEMBER2005

12-BIT250-KSPSSERIALCMOSSAMPLINGANALOG-TO-DIGITALCONVERTER

•IndustrialProcessControl

•250-kHzSamplingRate

•DataAcquisitionSystems

•4-V,5-V,10-V,±3.33-V,±5-V,and±10-VInput

•DigitalSignalProcessing

Ranges

•MedicalEquipment

•73-dBSINADWith45-kHzInput

•Instrumentation

•±0.45LSBMaxINL

•±0.45LSBMaxDNL,12-BitsNoMissing

Codes

TheADS8508isacomplete12-bitsampling

•±1LSBBipolarZeroErrors

analog-to-digital(A/D)converterusingstate-of-the-art

•±0.4PPM/°CBipolarZeroErrorDrift

CMOSstructures.Itcontainsacomplete12-bit,

•SixSpecifiedInputRanges

capacitor-based,successiveapproximationregister

(SAR)A/Dconverterwithsample-and-hold,refer-

•SPICompatibleSerialOutputwith

ence,clock,andaserialdatainterface.Datacanbe

Daisy-Chain(TAG)Feature

outputusingtheinternalclockorcanbe

•5-VSupply

synchronizedtoanexternaldataclock.TheADS8508

•Pin-CompatibleWithADS7808(LowSpeed)

alsoprovidesanoutputsynchronizationpulsefor

and16-BitADS8509/7809

easeofusewithstandardDSPprocessors.

•UsesInternalorExternalReference

TheADS8508isspecifiedata250-kHzsamplingrate

overthefulltemperaturerange.Precisionresistors

•70-mWTypPowerDissipationat250KSPS

providevariousinputrangesincluding±10Vand0V

•20-PinSOPackage

to5V,whiletheinnovativedesignallowsoperation

•SimpleDSPInterface

fromasingle+5-Vsupplywithpowerdissipation

under100mW.

TheADS8508isavailableina20-pinSOpackage,

fullyspecifiedforoperationovertheindustrial-40°C

to85°Ctemperaturerange.

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas

Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2005,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

Product specificaties