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ADS1274 Status: ACTIVE

Quad, 128kHz, Simultaneous Sampling 24-Bit Delta Sigma ADC

      
         
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See Also

  • ADS1278 - The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.  8 channel equivalent deivce
  • ADS1258 - The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.  16 channel device, with slightly lower AC performance
  • ADS1271 - The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.  Single Channel equivalent deivce

View all related products

Datasheet

Download - PDF Icon
  • Quad/Octal, Simultaneous Sampling, 24-Bit Analog-to-Digital Converters (Rev. C) (ads1274.pdf, 1497 KB)
    17 Oct 2008 Download

 ADS1174 ADS1178 ADS1271 ADS1274ADS1278 
Resolution(Bits)16  16  24  24  24  
Sample Rate (max)52kSPS  52kSPS  105kSPS  128kSPS  128kSPS  
ArchitectureDelta-Sigma  Delta-Sigma  Delta-Sigma  Delta-Sigma  Delta-Sigma  
Power Consumption(Typ)(mW)135  245  92  275  530  
SNR(dB)  109  111  111  
SNR(Typ)(dB)97  97     
SFDR(dB)+106  +106  -108  -109  -109  
DNL(Max)(+/-LSB)1  1  1  1  1  
INL(Max)(+/-LSB)0.0045%  0.0045%  0.0006%  0.0003%  0.0003%  
No Missing Codes(Bits)16  16  24  24  24  
No. of Supplies2  2  2  3  3  
Analog Voltage AV/DD(Min)(V)4.75  4.75  4.75  4.75  4.75  
Analog Voltage AV/DD(Max)(V)5.25  5.25  5.25  5.25  5.25  
Logic Voltage DV/DD(Min)(V)1.65  1.65  1.65  1.65  1.65  
Logic Voltage DV/DD(Max)(V)1.95  1.95  3.6  3.6  3.6  
Input Configuration RangeVref  Vref  1.06Vref  Vref  Vref  
Reference ModeExt  Ext  Ext  Ext  Ext  
RatingCatalog  Catalog  Catalog  Catalog  Catalog  
Pin/Package64HTQFP  64HTQFP  16TSSOP  64HTQFP  64HTQFP  
# Input Channels4  8  1  4  8  
 SamplesSamplesSamplesSamplesSamples
 InventoryInventoryInventoryInventoryInventory

Customers Who Evaluated This Product Also Evaluated

  • ADS1278: Octal, 128kHz, Simultaneous Sampling 24-Bit Delta Sigma ADC
  • ADS1282: Ultra High Resolution Delta Sigma ADC with PGA for Seismic and Energy Exploration
  • ADS1178: Octal, Simultaneous Sampling, 16-Bit Analog-to-Digitalconverter
  • SN74LVC245A: Octal Bus Transceiver With 3-State Outputs
  • CC1100: Highly Integrated MultiCh RF Transceiver Designed for Low-Power Wireless Apps
  • MSP430F413: 16-Bit Ultra-Low-Power Microcontroller, 8kB Flash, 256B RAM, Comparator, 96 segment LCD

More Related Products

Product Information

Features

  • Simultaneously Measure Four/Eight Channels
  • Up to 128kSPS Data Rate
  • AC Performance:
    62kHz Bandwidth
    111dB SNR (High-Resolution Mode)
    –108dB THD
  • DC Accuracy:
    0.8µV/°C Offset Drift
    1.3ppm/°C Gain Drift
  • Selectable Operating Modes:
    High-Speed: 128kSPS, 106dB SNR
    High-Resolution: 52kSPS, 111dB SNR
    Low-Power: 52kSPS, 31mW/ch
    Low-Speed: 10kSPS, 7mW/ch
  • Linear Phase Digital Filter
  • SPI or Frame-Sync Serial Interface
  • Low Sampling Aperture Error
  • Modulator Output Option (digital filter bypass)
  • Analog Supply: 5V
  • Digital Core: 1.8V
  • I/O Supply: 1.8V to 3.3V
  • APPLICATIONS
    • Vibration/Modal Analysis
    • Multi-Channel Data Acquisition
    • Acoustics/Dynamic Strain Gauges
    • Pressure Sensors

PowerPAD is a trademark of Texas Instruments, Inc.
SPI is a trademark of Motorola, Inc.
All other trademarks are the property of their respective owners.

Description

Based on the single-channel ADS1271, the ADS1274 (quad) and ADS1278 (octal) are 24-bit, delta-sigma () analog-to-digital converters (ADCs) with data rates up to 128k samples per second (SPS), allowing simultaneous sampling of four or eight channels. The devices are offered in identical packages, permitting drop-in expandability.

Traditionally, industrial delta-sigma ADCs offering good drift performance use digital filters with large passband droop. As a result, they have limited signal bandwidth and are mostly suited for dc measurements. High-resolution ADCs in audio applications offer larger usable bandwidths, but the offset and drift specifications are significantly weaker than respective industrial counterparts. The ADS1274 and ADS1278 combine these types of converters, allowing high-precision industrial measurement with excellent dc and ac specifications.

The high-order, chopper-stabilized modulator achieves very low drift with low in-band noise. The onboard decimation filter suppresses modulator and signal out-of-band noise. These ADCs provide a usable signal bandwidth up to 90% of the Nyquist rate with less than 0.005dB of ripple.

Four operating modes allow for optimization of speed, resolution, and power. All operations are controlled directly by pins; there are no registers to program. The devices are fully specified over the extended industrial range (–40°C to +105°C) and are available in an HTQFP-64 PowerPAD package.

    

Pricing / Packaging / CAD Design Tools / Samples

PricePackagingCAD Design ToolsSamples
DeviceStatusTemp (oC)Price | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSymbolsSamples
ADS1274IPAPRACTIVE-40 to 12517.45 | 100uHTQFP (PAP) | 64 View 1000 | LARGE T&R Download CAD Format for this SymbolPurchase Samples
ADS1274IPAPRG4ACTIVE-40 to 12517.45 | 100uHTQFP (PAP) | 64 View 1000 | LARGE T&R Download CAD Format for this SymbolPurchase Samples
ADS1274IPAPTACTIVE-40 to 12519.20 | 100uHTQFP (PAP) | 64 View 250 | SMALL T&R Download CAD Format for this Symbol
ADS1274IPAPTG4ACTIVE-40 to 12519.20 | 100uHTQFP (PAP) | 64 View 250 | SMALL T&R Download CAD Format for this Symbol

* 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
ADS1274IPAPRAs of 10:18 AM GMT, 19 Nov 2008As of 10:18 AM GMT, 19 Nov 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 2000* >10k | 2 Jan 12 Weeks AsiaWPI 588
ADS1274IPAPRG4As of 10:18 AM GMT, 19 Nov 2008As of 10:18 AM GMT, 19 Nov 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 2000* >10k | 2 Jan 12 Weeks None Reported
View Distributors		   
ADS1274IPAPTAs of 10:18 AM GMT, 19 Nov 2008As of 10:18 AM GMT, 19 Nov 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* >10k | 2 Jan 12 Weeks AmericasDigiKey 564
  Mouser Electronics 291
  Newark 346
  AsiaWPI 31
  EuropeEBV Elektronik 5
ADS1274IPAPTG4As of 10:18 AM GMT, 19 Nov 2008As of 10:18 AM GMT, 19 Nov 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* >10k | 2 Jan 12 Weeks EuropeSpoerle 442
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
ADS1274IPAPR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HRViewView
ADS1274IPAPRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HRViewView
ADS1274IPAPT RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HRViewView
ADS1274IPAPTG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HRViewView

* 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

  • Quad/Octal, Simultaneous Sampling, 24-Bit Analog-to-Digital Converters (Rev. C) (ads1274.pdf, 1497 KB)
    17 Oct 2008 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

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
ADS1274 Evaluation Module (EVM)ADS1274EVMTexas InstrumentsDevelopment Boards/EVMs
ADS1274 Performance Demonstration Kit (PDK)ADS1274EVM-PDKTexas InstrumentsDevelopment Boards/EVMs

 Alternative Products - Are similar to ADS1274
Part #NameComments
ADS1278 Octal, 128kHz, Simultaneous Sampling 24-Bit Delta Sigma ADC The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. 8 channel equivalent deivce 
ADS1258 24 Bit, Fast Channel Cycling Delta-Sigma ADC The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. 16 channel device, with slightly lower AC performance 
ADS1271 24-Bit, 105kSPS Industrial Delta-Sigma ADC The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. Single Channel equivalent deivce 
ADS1281 High Resolution 24-Bit Analog-to Digital Converter The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. Single channel higher resolution device 
ADS1282 Ultra High Resolution Delta Sigma ADC with PGA for Seismic and Energy Exploration The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. 4 channel higher resolution device with onboard PGA 
Customers Who Evaluated This Product Also Evaluated...
ADS1278Octal, 128kHz, Simultaneous Sampling 24-Bit Delta Sigma ADCTI customers also evaluated this product.
ADS1282Ultra High Resolution Delta Sigma ADC with PGA for Seismic and Energy ExplorationTI customers also evaluated this product.
ADS1178Octal, Simultaneous Sampling, 16-Bit Analog-to-DigitalconverterTI customers also evaluated this product.
ADS125824 Bit, Fast Channel Cycling Delta-Sigma ADCTI customers also evaluated this product.
ADS125624 Bit, 30kSPS Very Low Noise Delta-Sigma ADC with MultiplexerTI customers also evaluated this product.
ADS1281High Resolution 24-Bit Analog-to Digital ConverterTI customers also evaluated this product.
ADS125524 Bit, 30kSPS Very Low Noise Delta-Sigma ADCTI customers also evaluated this product.
ADS1174Quad, Simultaneous Sampling, 16-Bit Analog-to-DigitalconverterTI customers also evaluated this product.
ADS127124-Bit, 105kSPS Industrial Delta-Sigma ADCTI customers also evaluated this product.
ADS121824-Bit, 780 SPS ADC w/FLASH Memory, 8 CH, Vref, Buffer, 2 IDACs, Serial Out, Digital I/O, Low PowerTI customers also evaluated this product.
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