Texas Instruments ADS7952-Q1 Handleiding

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MXO

AINP

Ch0

Chn

(1)

Ch2

Ch1

High input

impedance PGA

(or non inverting

buffer such as

THS4031)

GPIO1

GPIO2

GPIO3

PGA Gain

Control

GPIO0

high-alarm

low-alarm

SDI

SCLK

CS

SDO

To

Host

REF

REF5025

o/p

10 µF

ADC

Product

Folder

Sample &

Buy

Technical

Documents

Tools &

Software

Support &

Community

ADS7950-Q1

,

ADS7951-Q1

,

ADS7952-Q1

,

ADS7953-Q1

,

ADS7954-Q1

ADS7956-Q1

,

ADS7957-Q1

,

ADS7958-Q1

,

ADS7959-Q1

,

ADS7960-Q1

,

ADS7961-Q1

SBAS652A–MAY2014–REVISEDAUGUST2014

ADS79xx-Q18-,10-,and12-Bit,1-MSPS,4-,8-,12-,and16-Channel,Single-Ended,

Micropower,SerialInterface,Analog-to-DigitalConverters

TheADS79xx-Q1deviceworksonawideanalog-

1Features

supplyrangefrom2.7Vto5.25V.Thesedevicesare

1

•QualifiedforAutomotiveApplications

suitableforbattery-poweredandisolatedpower-

•AEC-Q100TestedwiththeFollowingResults:

supplyapplicationsbecauseofvery-lowpower

consumption.

–DeviceTemperatureGrade1:–40°Cto125°C

AmbientOperatingTemperatureRange

The4-and8-channeldevicesareavailablein30-pin

TSSOPpackage.The12-and16-channeldevices

–DeviceHBMESDClassificationLevelH2

areavailablein38-pinTSSOPpackage.

–DeviceCDMESDClassificationLevelC4B

•ProductFamily:

DeviceInformation

(1)

–8-,10-,and12-BitResolution

DEVICENAMEPACKAGEBODYSIZE

–4-,8-,12-ChannelDevicesShare16-Channel

ADS7950-Q1

Footprint

ADS7951-Q1

•1-MHzSample-RateSerialDevices

ADS7954-Q1TSSOP(30)7.80mm×4.40mm

•AnalogSupplyRange:2.7Vto5.25V

ADS7958-Q1

ADS7959-Q1

•I/OSupplyRange:1.7Vto5.25V

ADS7952-Q1

•TwoSW-SelectableUnipolar,InputRanges:

ADS7953-Q1

–(0Vto2.5V)or(0Vto5V)

ADS7956-Q1

•AutoandManualModesforChannelSelection

TSSOP(38)9.70mm×4.40mm

ADS7957-Q1

•TwoProgrammableAlarmLevelsperChannel

ADS7960-Q1

•FourIndividuallyConfigurableGPIOs

ADS7961-Q1

•TypicalPowerDissipation:14.5mW(V

(+VA)

=5V,

(1)Forallavailablepackages,seetheorderableaddendumat

V

(+VBD)

=3V)at1MSPS

theendofthedatasheet.

•Power-DownCurrent(1μA)

DetailedBlockDiagram

•30-Pinand38-PinTSSOPPackage

2Applications

•AutomotiveSystems

•PowerSupplyMonitoring

•Battery-PoweredSystems

•High-Speed,Data-AcquisitionSystems

3Description

TheADS79xx-Q1devicefamilyconsistsof

multichannel8-bit,10-bitand12-bitanalog-to-digital

converters(ADCs).Thedevicesincludeacapacitor-

basedsuccessiveapproximationregister(SAR)ADC

withinherentsampleandhold.Multiplefeaturesand

greatperformancemakestheADS79xx-Q1device

usefulforwidevarietyofapplicationswheremultiple

channelsshouldbemonitored.

1

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

Product specificaties