Texas Instruments ADS8586S Handleiding
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AIN_1P
AIN_1GND
AIN_2P
AIN_2GND
AIN_5P
AIN_5GND
AIN_6P
AIN_6GND
16-Bit
SAR
ADC
2.5 V
REF
REFGND
AGND
DVDD
AVDD
ADS8586S
ADC
Driver
REFIN/REFOUT
REFCAPB
REFSEL
Digital Filter
OS2
OS0
OS1
SAR
Logic
and
Digital Control
DB[15:0]
DOUTA
DOUTB
PAR/SER
RANGE
RD/SCLK
CS
RESET
CONVSTA, CONVSTB
FRSTDATA
STBY
REFCAPA
BUSY
1 M:
Clamp
1 M:
3rd-Order
LPF
Clamp
PGA
ADC
Driver
1 M:
Clamp
1 M:
3rd-Order
LPF
Clamp
PGA
ADC
Driver
1 M:
Clamp
1 M:
3rd-Order
LPF
Clamp
PGA
ADC
Driver
1 M:
Clamp
1 M:
3rd-Order
LPF
Clamp
PGA
16-Bit
SAR
ADC
16-Bit
SAR
ADC
16-Bit
SAR
ADC
SER/PAR
Interface
Copyright © 2017, Texas Instruments Incorporated
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Design
AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
ADS8586S
SBAS833A–APRIL2017–REVISEDAPRIL2017
ADS8586S16-Bit,High-Speed,6-Channel,Simultaneous-SamplingADCwith
BipolarInputsonaSingleSupply
1
1Features
1
•16-BitADCwithIntegratedAnalogFront-End
•SimultaneousSampling:6-Channels
•Pin-ProgrammableBipolarInputs:±10Vand±5V
•HighInputImpedance:1MΩ
•5-VAnalogSupply:2.3-Vto5-VDigitalSupply
•OvervoltageInputClampwith7-kVESD
•Low-Drift,On-ChipReference(2.5V)andBuffer
•ExcellentPerformance:
–250-kSPSMaxThroughputperChannel
–DNL:±0.35LSB;INL:±0.45LSB
–SNR:96.4dB;THD:−114dB
•OverTemperaturePerformance:
–MaxOffsetDrift:3ppm/°C
–GainDrift:6ppm/°C
•On-ChipDigitalFilterforOversampling
•FlexibleParallel,Byte,andSerialInterface
•TemperatureRange:–40°Cto+125°C
•Package:64-PinLQFP
2Applications
•MonitoringandControlforPowerGrids
•ProtectionRelays
•Multi-PhaseMotorControls
•IndustrialAutomationandControls
•MultichannelDataAcquisitionSystems
3Description
TheADS8586Sdeviceisan6-channel,integrated
dataacquisition(DAQ)systembasedona
simultaneous-sampling,16-bitsuccessive
approximation(SAR)analog-to-digitalconverter
(ADC)operatingatamaximumof250kSPSper
channel.Thedevicefeaturesacompleteanalog
front-endforeachchannel,includingaprogrammable
gainamplifier(PGA)withhighinputimpedanceof
1MΩ,inputclamp,low-passfilter,andanADCinput
driver.Thedevicealsofeaturesalow-drift,precision
referencewithabuffertodrivetheADC.Aflexible
digitalinterfacesupportingserial,parallel,andparallel
bytecommunicationenablesthedevicetobeused
withavarietyofhostcontrollers.
TheADS8586Scanbeconfiguredtoaccept±10-Vor
±5-Vtruebipolarinputsusingasingle5-Vsupply.
Thehighinputimpedanceallowsdirectconnection
withsensorsandtransformers,thuseliminatingthe
needforexternaldrivercircuits.Thehigh
performanceandaccuracy,alongwithzero-latency
conversionsofferedbythisdevice,alsomakethe
ADS8586Sagreatchoiceformanyindustrial
automationandcontrolapplications.
DeviceInformation
(1)
PARTNUMBERPACKAGEBODYSIZE(NOM)
ADS8586SLQFP(64)10.00mm×10.00mm
(1)Forallavailablepackages,seetheorderableaddendumat
theendofthedatasheet.
SimplifiedBlockDiagram
2
ADS8586S
SBAS833A–APRIL2017–REVISEDAPRIL2017
www.ti.com
ProductFolderLinks:ADS8586S
SubmitDocumentationFeedbackCopyright©2017,TexasInstrumentsIncorporated
TableofContents
1Features..................................................................1
2Applications...........................................................1
3Description.............................................................1
4RevisionHistory.....................................................2
5DeviceFamilyComparisonTable........................3
6PinConfigurationandFunctions.........................3
7Specifications.........................................................5
7.1AbsoluteMaximumRatings......................................5
7.2ESDRatings..............................................................6
7.3RecommendedOperatingConditions.......................6
7.4ThermalInformation..................................................6
7.5ElectricalCharacteristics...........................................7
7.6TimingRequirements:CONVSTControl................10
7.7TimingRequirements:DataReadOperation..........10
7.8TimingRequirements:ParallelDataReadOperation,
CSandRDTiedTogether.......................................10
7.9TimingRequirements:ParallelDataReadOperation,
CSandRDSeparate...............................................11
7.10TimingRequirements:SerialDataRead
Operation.................................................................11
7.11TimingRequirements:ByteModeDataRead
Operation.................................................................11
7.12TimingRequirements:OversamplingMode..........11
7.13TimingRequirements:ExitStandbyMode............11
7.14TimingRequirements:ExitShutdownMode.........12
7.15SwitchingCharacteristics:CONVSTControl........12
7.16SwitchingCharacteristics:ParallelDataRead
Operation,CSandRDTiedTogether.....................12
7.17SwitchingCharacteristics:ParallelDataRead
Operation,CSandRDSeparate.............................13
7.18SwitchingCharacteristics:SerialDataRead
Operation.................................................................13
7.19SwitchingCharacteristics:ByteModeDataRead
Operation.................................................................13
7.20TypicalCharacteristics..........................................17
8DetailedDescription............................................24
8.1Overview.................................................................24
8.2FunctionalBlockDiagram.......................................24
8.3FeatureDescription.................................................25
8.4DeviceFunctionalModes........................................33
9ApplicationandImplementation........................46
9.1ApplicationInformation............................................46
9.2TypicalApplication..................................................46
10PowerSupplyRecommendations.....................50
11Layout...................................................................51
11.1LayoutGuidelines.................................................51
11.2LayoutExample....................................................51
12DeviceandDocumentationSupport.................53
12.1DocumentationSupport........................................53
12.2ReceivingNotificationofDocumentationUpdates53
12.3CommunityResources..........................................53
12.4Trademarks...........................................................53
12.5ElectrostaticDischargeCaution............................53
12.6Glossary................................................................53
13Mechanical,Packaging,andOrderable
Information...........................................................53
4RevisionHistory
NOTE:Pagenumbersforpreviousrevisionsmaydifferfrompagenumbersinthecurrentversion.
ChangesfromOriginal(April2017)toRevisionAPage
•ChangeddocumentstatusfromAdvanceInformationtoProductionData;splitdocumentfromADS8588S(SBAS642).....1
•Changedminimumspecificationfrom–96to–64inlastrowofexternalreferenceforE
G
parameter.................................7
64AGND17DB1
1AVDD48 AVDD
63AGND18DB2
2AGND47 AGND
62AIN_6GND19DB3
3OS046 REFGND
61AIN_6P20DB4
4OS145 REFCAPB
60AIN_5GND21DB5
5OS244 REFCAPA
59AIN_5P22DB6
6PAR/SER/BYTE SEL43 REFGND
58AIN_4GND23DVDD
7STBY42 REFIN/REFOUT
57AIN_4P24DB7/DOUTA
8RANGE41 AGND
56AGND25DB8/DOUTB
9CONVSTA40 AGND
55AGND26AGND
10CONVSTB39 REGCAP2
54AIN_3GND27DB9
11RESET38 AVDD
53AIN_3P28DB10
12RD/SCLK37 AVDD
52AIN_2GND29DB11
13CS36 REGCAP1
51AIN_2P30DB12
14BUSY35 AGND
50AIN_1GND31DB13
15FRSTDATA34 REFSEL
49AIN_1P32DB14/HBEN
16DB033 DB15/BYTE SEL
Not to scale
3
ADS8586S
www.ti.com
SBAS833A–APRIL2017–REVISEDAPRIL2017
ProductFolderLinks:ADS8586S
SubmitDocumentationFeedbackCopyright©2017,TexasInstrumentsIncorporated
5DeviceFamilyComparisonTable
PRODUCTRESOLUTION(Bits)CHANNELSSAMPLERATE(kSPS)
ADS8588S168,single-ended200
ADS8586S166,single-ended250
ADS8584S164,single-ended330
ADS8578S148,single-ended200
6PinConfigurationandFunctions
PMPackage:ADS8586S
64-PinLQFP
TopView
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | ADS8586S |
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