Texas Instruments ADS8355 Handleiding

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Serial

Interface

ADC A

ADC B

AINP_A

AINP_B

AINM_A

AINM_B

REFIO_A

AVDDDVDD

REFA

REFB

REFIO_B

GND

CS

SCLK

SDI

SDO_A

SDO_B

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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

ADS8355

SBAS761A–FEBRUARY2020–REVISEDFEBRUARY2020

ADS8355

Dual,16-Bit,1-MSPS,Simultaneous-Sampling,Analog-to-DigitalConverter

1

1Features

1

•1-MSPSthroughput,nolatencyoutput

•Simultaneoussamplingoftwochannels

•Supportssingle-endedandpseudo-differential

inputs

•ExcellentDCandACperformance:

–16-bitNMCDNL,±1-LSBINL

–88-dBSNR,–97-dBTHD

•Dual,programmable,

2.5-Vinternalreference

•Fully-specifiedovertheextendedindustrial

temperaturerange:–40°Cto+125°C

•Smallfootprint:

WQFN-16(3-mm×3-mm)

2Applications

•Servodrivepositionfeedback

•Opticalmodules

•Multifunctionrelays

•Powerqualityanalyzers

•ThreephaseUPS

•Analoginputmodules

3Description

TheADS8355isadual,high-speed,simultaneous-

sampling,analog-to-digitalconverter(ADC)that

supportssingle-endedandpseudo-differentialanalog

inputs.

Thedevicesupportsaflexibleserialinterfacethat

canoperateoverawidepower-supplyvoltagerange.

Theflexibleinterfaceenableseasycommunication

withalargevarietyofhostcontrollers.Power

consumptionforagiventhroughputcanbeoptimized

byusingthetwolow-powermodessupportedbythe

device.Thedeviceisfullyspecifiedoverthe

extendedindustrialtemperaturerange(–40°Cto

+125°C)andisavailableina16-pinWQFN(3-mm×

3-mm)package.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

ADS8355WQFN(16)3.00mm×3.00mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

TypicalBlockDiagram

Product specificaties