Texas Instruments ADC084S021 Handleiding

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IN1

IN4

MUXT/H

SCLK

V

A

GND

CS

DIN

DOUT

CONTROL

LOGIC

SUCCESSIVE

APPROXIMATION

ADC

GND

8-Bit

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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

ADC084S021

SNAS279F–APRIL2005–REVISEDJULY2016

ADC084S0214-Channel,50Kspsto200Ksps,8-BitA/DConverter

1

1Features

1

•SpecifiedOveraRangeofSampleRates

•FourInputChannels

•VariablePowerManagement

•SinglePowerSupplyWith2.7Vto5.25VRange

•DNL:±0.04LSB(Typical)

•INL:±0.04LSB(Typical)

•SNR:49.6dB(Typical)

•PowerConsumption:

–3-VSupply:1.6mW(Typical)

–5-VSupply:5.8mW(Typical)

2Applications

•PortableSystems

•RemoteDataAcquisition

•InstrumentationandControlSystems

3Description

TheADC084S021isalow-power,four-channel

CMOS8-bitanalog-to-digitalconverterwithahigh-

speedserialinterface.Unliketheconventional

practiceofspecifyingperformanceatasinglesample

rateonly,theADC084S021isfullyspecifiedovera

sampleraterangeof50kspsto200ksps.The

converterisbaseduponasuccessive-approximation

registerarchitecturewithaninternaltrack-and-hold

circuit.Itcanbeconfiguredtoacceptuptofourinput

signalsatinputsIN1throughIN4.

Theoutputserialdataisstraightbinary,andis

compatiblewithseveralstandards,suchasSPI™,

QSPI™,MICROWIRE,andmanycommonDSP

serialinterfaces.

TheADC084S021operateswithasinglesupplythat

canrangefrom2.7Vto5.25V.Normalpower

consumptionusinga3-Vor5-Vsupplyis1.6mW

and5.8mW(respectively).Thepower-downfeature

reducesthepowerconsumptiontojust0.12µWusing

a3-Vsupplyor0.35µWusinga5-Vsupply.

TheADC084S021comesina10-pinVSSOP

package.Operationovertheindustrialtemperature

rangeof–40°Cto85°Cisensured.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

ADC084S021VSSOP(10)3.00mm×3.00mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

BlockDiagram

Product specificaties