ADS8381 Status:ACTIVE

18 Bit 580KSPS parallel ADC

      
         
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See Also

  • ADS8383 - The device has the SAME FUNCTIONALITY as the compared device, but is not pin-for-pin equivalent and may not be parametrically equivalent. 
  • ADS8481 - The device has the SAME FUNCTIONALITY as the compared device, but is not pin-for-pin equivalent and may not be parametrically equivalent.  Has a higher sampling rate (1MSPS)
  • ADS8484 - The device has the SAME FUNCTIONALITY as the compared device, but is not pin-for-pin equivalent and may not be parametrically equivalent.  Has a higher sampling rate (1.25MSPS) and a differential input configuration

Datasheet

Download - PDF Icon
  • 18-Bit, 580kHz, Unipolar Input, Micro Power Sampling Analog-to-Digital Converter (Rev. D) (ads8381.pdf, 674 KB)
    09 Feb 2005 Download

 ADS8371 ADS8381ADS8383 
Resolution(Bits)16  18  18  
Sample Rate (max)750kSPS  580kSPS  500kSPS  
ArchitectureSAR  SAR  SAR  
Power Consumption(Typ)(mW)130  115  110  
SINAD(dB)87.6  88  87  
SNR(dB)87.7  88  87  
SFDR(dB)110  113  112  
DNL(Max)(+/-LSB)1  2  2.5  
INL(Max)(+/-LSB)1.5  5  7  
No Missing Codes(Bits)16  18  18  
No. of Supplies2  2  2  
Analog Voltage AV/DD(Min)(V)4.75  4.75  4.75  
Analog Voltage AV/DD(Max)(V)5.25  5.25  5.25  
Logic Voltage DV/DD(Min)(V)2.7  2.7  2.95  
Logic Voltage DV/DD(Max)(V)5.25  5.25  5.25  
Input Configuration RangeVref  Vref  Vref  
Reference ModeExt  Ext  Ext  
RatingCatalog  Catalog  Catalog  
Pin/Package48TQFP  48TQFP  48TQFP  
# Input Channels1  1  1  
 SamplesSamplesSamples
 InventoryInventoryInventory

Customers Who Evaluated This Product Also Evaluated

  • TLC2543: 12-Bit 66 kSPS ADC Ser. Out, Pgrmable MSB/LSB First, Pgrmable Power Down/Output Data Length, 11 Ch.
  • ADS1254: 24-Bit, 20kHz, Low Power Analog-to-Digital Converter
  • ADS1271: 24-Bit, 105kSPS Industrial Delta-Sigma ADC
  • DAC8811: 16-Bit, Serial Input Multiplying Digital to Analog Converter
  • DAC7654: 16 Bit, Quad Voltage Output Digital to Analog Converter
  • SN74ACT8990: Test-Bus Controllers IEEE Std 1149.1 (JTAG) TAP Masters With 16-Bit Generic Host Interfaces

More Related Products

Product Information

Features

  • 580-kHz Sample Rate
  • 18-Bit NMC Ensured Over Temperature
  • Zero Latency
  • Low Power: 115 mW at 580 kHz
  • Unipolar Input Range
  • Onboard Reference Buffer and Conversion Clock
  • Wide Digital Supply
  • Flexible 8-/16-/18-Bit Parallel Interface
  • Pin Compatible With ADS8383
  • 48-Pin TQFP Package
  • APPLICATIONS
    • Medical Instruments
    • Optical Networking
    • Transducer Interface
    • High Accuracy Data Acquisition Systems
    • Magnetometers

Description

The ADS8381 is an 18-bit, 580 kHz A/D converter. The device includes a 18-bit capacitor-based SAR A/D converter with inherent sample and hold. The ADS8381 offers a full 18-bit interface, a 16-bit option where data is read using two read cycles, or an 8-bit bus using three read cycles.

The ADS8381 is available in a 48-lead TQFP package and is characterized over the industrial –40°C to 85°C temperature range.

    

Pricing / Packaging / CAD Design Tools / Samples

Price ($US)PackagingCAD Design ToolsSamples
DeviceStatusTemp (oC)Price ($US) | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSymbolsFootprintsSamples
ADS8381IBPFBRACTIVE-40 to 8526.75 | 100uTQFP (PFB) | 48 View 1000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
ADS8381IBPFBRG4ACTIVE-40 to 8526.75 | 100uTQFP (PFB) | 48 View 1000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
ADS8381IBPFBTACTIVE-40 to 8529.00 | 100uTQFP (PFB) | 48 View 250 | SMALL T&R Download CAD Format for this Symbol Download CAD Format for this Footprint
ADS8381IBPFBTG4ACTIVE-40 to 8529.00 | 100uTQFP (PFB) | 48 View 250 | SMALL T&R Download CAD Format for this Symbol Download CAD Format for this Footprint
ADS8381IPFBRACTIVE-40 to 8522.30 | 100uTQFP (PFB) | 48 View 1000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
ADS8381IPFBRG4ACTIVE-40 to 8522.30 | 100uTQFP (PFB) | 48 View 1000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
ADS8381IPFBTACTIVE-40 to 8524.50 | 100uTQFP (PFB) | 48 View 250 | SMALL T&R Download CAD Format for this Symbol Download CAD Format for this Footprint
ADS8381IPFBTG4ACTIVE-40 to 8524.50 | 100uTQFP (PFB) | 48 View 250 | SMALL T&R Download CAD Format for this Symbol Download CAD Format for this Footprint

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Inventory

  TI Inventory Status Reported Distributor Inventory
ADS8381IBPFBRAs of 9:00 AM GMT, 07 Sep 2008As of 9:00 AM GMT, 07 Sep 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* 20 WeeksNone Reported
View Distributors
   
ADS8381IBPFBRG4As of 9:00 AM GMT, 07 Sep 2008As of 9:00 AM GMT, 07 Sep 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* 20 WeeksNone Reported
View Distributors
   
ADS8381IBPFBTAs of 9:00 AM GMT, 07 Sep 2008As of 9:00 AM GMT, 07 Sep 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 750*  6 Weeks AmericasDigiKey 452
  Rochester Electronics 250
  AsiaWPI 70
ADS8381IBPFBTG4As of 9:00 AM GMT, 07 Sep 2008As of 9:00 AM GMT, 07 Sep 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 750* 6 WeeksNone Reported
View Distributors
   
ADS8381IPFBRAs of 9:00 AM GMT, 07 Sep 2008As of 9:00 AM GMT, 07 Sep 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* 20 WeeksNone Reported
View Distributors
   
ADS8381IPFBRG4As of 9:00 AM GMT, 07 Sep 2008As of 9:00 AM GMT, 07 Sep 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* 20 WeeksNone Reported
View Distributors
   
ADS8381IPFBTAs of 9:00 AM GMT, 07 Sep 2008As of 9:00 AM GMT, 07 Sep 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 250*  6 Weeks AmericasDigiKey 193
ADS8381IPFBTG4As of 9:00 AM GMT, 07 Sep 2008As of 9:00 AM GMT, 07 Sep 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 250* 6 WeeksNone Reported
View Distributors
   
View all Distributors  

* Our information is updated daily, so please check back with us soon if this does not meet your needs. You may also contact your TI Authorized Distributor , including those listed above, for real time stock information.

** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data

 Product ContentDPPM / MTBF / FIT Rate
DeviceEco Plan* Lead / Ball FinishMSL Rating / Peak ReflowDetailsDetails
ADS8381IBPFBR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
ADS8381IBPFBRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
ADS8381IBPFBT RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
ADS8381IBPFBTG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
ADS8381IPFBR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
ADS8381IPFBRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
ADS8381IPFBT RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
ADS8381IPFBTG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

Datasheets

  • 18-Bit, 580kHz, Unipolar Input, Micro Power Sampling Analog-to-Digital Converter (Rev. D) (ads8381.pdf, 674 KB)
    09 Feb 2005 Download

Application Notes

  • A Glossary of Analog-to-Digital Specifications and Performance Characteristics (Rev. A) (sbaa147a.htm, 8 KB)
    12 Jan 2008 Abstract
  • Shelf-Life Evaluation of Lead-Free Component Finishes (szza046.htm, 8 KB)
    24 May 2004 Abstract
  • Thermal and Electrical Properties of Selected Packaging Materials (sbfa010.htm, 8 KB)
    04 Oct 2000 Abstract
  • Analog-to-Digital Converter Grounding Practices Affect System Performance (sbaa052.htm, 8 KB)
    02 Oct 2000 Abstract
  • Principles of Data Acquisition and Conversion (sbaa051.htm, 8 KB)
    02 Oct 2000 Abstract
  • Interleaving Analog-to-Digital Converters (sbaa049.htm, 8 KB)
    02 Oct 2000 Abstract
  • What Designers Should Know About Data Converter Drift (sbaa046.htm, 8 KB)
    02 Oct 2000 Abstract
  • High Speed Data Conversion (sbaa045.htm, 8 KB)
    02 Oct 2000 Abstract

View Application Notes for Analog to Digital Converters

User Guides

  • ADS8381EVM User's Guide (Rev. A) (slau133a.pdf, 307 KB)
    27 Sep 2004 Download

View User Guides for Analog to Digital Converters

More Literature

View More Literature for Analog to Digital Converters

Tools & Software

NamePart # Company Tool / Software Type
Anti-Aliasing Calculation Tool for A to D ConvertersANTIALIASINGCALCTexas InstrumentsCalculation Utilities
Op Amp to ADC Circuit Topology CalculatorADC-INPUT-CALCTexas InstrumentsCalculation Utilities
ADS8381 Evaluation ModuleADS8381EVMTexas InstrumentsDevelopment Boards/EVMs
DCPFREETOOL Software Plug-In to Code Composer StudioDCPFREETOOLTexas InstrumentsUtilities/Plug-Ins
  • Data Converter Plug-in for Code Composer Studio (Rev. D)(slac087d.zip, 5199 KB )
               05 May 2008 zip
  • Jitter and SNR calculator(slac133.zip, 2 KB )
               24 Apr 2007 zip

 Alternative Products - Are similar to ADS8381
Part #NameComments
ADS8383 18 Bit 500KSPS Parallel ADC The device has the SAME FUNCTIONALITY as the compared device, but is not pin-for-pin equivalent and may not be parametrically equivalent.  
ADS8481 18 Bit 1MSPS parallel ADC W/Ref The device has the SAME FUNCTIONALITY as the compared device, but is not pin-for-pin equivalent and may not be parametrically equivalent. Has a higher sampling rate (1MSPS) 
ADS8484 18 Bit 1.25MSPS Parallel ADC W/Ref, Pseudo Bipolar, Fully Differential Input The device has the SAME FUNCTIONALITY as the compared device, but is not pin-for-pin equivalent and may not be parametrically equivalent. Has a higher sampling rate (1.25MSPS) and a differential input configuration 
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 Complementary Products - Can be used with ADS8381
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