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ADS1146 Status: PREVIEW

16-Bit Analog-to-Digital Converter For Temperature Sensors


      
         
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Datasheet

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Functional Block Diagram


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 ADS1146ADS1147 ADS1148 ADS1246 ADS1247 ADS1248 
Resolution(Bits)16  16  16  24  24  24  
Sample Rate (max)2kSPS  2kSPS  2kSPS  2KSPS  2KSPS  2KSPS  
ArchitectureDelta-Sigma  Delta-Sigma  Delta-Sigma  Delta-Sigma  Delta-Sigma  Delta-Sigma  
Power Consumption(Typ)(mW)1.2  1.2  1.2  2.56  2.56  2.56  
DNL(Max)(+/-LSB)1  1  1  1  1  1  
INL(Max)(+/-LSB)0.0015%    0.0015%    0.0015%    0.0015%  0.0015%  0.0015%  
No Missing Codes(Bits)15  15  15  24  24  24  
No. of Supplies3  3  3  3  3  3  
Analog Voltage AV/DD(Min)(V)2.5  2.5  2.5  2.5  2.5  2.5  
Analog Voltage AV/DD(Max)(V)5.8  5.8  5.8  5.8  5.8  5.8  
Logic Voltage DV/DD(Min)(V)2.5  2.5  2.5  2.5  2.5  2.5  
Logic Voltage DV/DD(Max)(V)5.8  5.8  5.8  5.8  5.8  5.8  
Input Configuration Range+/- Vref / PGA    +/- Vref / PGA    +/- Vref / PGA    +/- Vref / PGA  +/- Vref / PGA  +/- Vref / PGA  
Reference ModeExt  Int and Ext    Int and Ext    Ext  Int and Ext  Int and Ext  
RatingCatalog  Catalog  Catalog  Catalog  Catalog  Catalog  
Pin/Package16TSSOP  20TSSOP  28TSSOP  16TSSOP  20TSSOP  28TSSOP  
# Input Channels1  3  7  1  3  7  
 SamplesSamplesSamplesSamplesSamplesSamples
 Inventory Not AvailableInventory Not AvailableInventory Not AvailableInventoryInventoryInventory

Customers Who Evaluated This Product Also Evaluated

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  • ADS1114: 16-Bit ADC with Integrated MUX, PGA, Comparator, Oscillator, and Reference
  • ADS1100: Self-Calibrating, 16-Bit Analog-to-Digital Converter

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Product Information

Features

  • 16 Bits, No Missing Codes
  • Data Output Rates Up to 2kSPS
  • Single-Cycle Settling for All Data Rates
  • Simultaneous 50/60Hz Rejection at 20SPS
  • 4 Differential/7 Single-Ended Inputs (ADS1148)
  • 2 Differential/3 Single-Ended Inputs (ADS1147)
  • Matched Current Source DACs
  • Internal Voltage Reference
  • Sensor Burnout Detection
  • 4/8 General-Purpose I/Os (ADS1147/8)
  • Internal Temperature Sensor
  • Power Supply and VREF Monitoring (ADS1147/8)
  • Self and System Calibration
  • SPI-Compatible Serial Interface
  • Analog Supply Operation: +2.7V to +5.25V Unipolar, ±2.5V Bipolar
  • Digital Supply: +2.7V to +5.25V
  • Operating Temperature -40°C to +125°C
  • APPLICATIONS
    • Temperature Measurement
      • RTDs, Thermocouples, and Thermistors

View All Features in Datasheet

Description

The ADS1146, ADS1147, and ADS1148 are highly-integrated, precision, 16-bit analog-to-digital converters (ADCs). The ADS1146/7/8 feature an onboard, low-noise, programmable gain amplifier (PGA), a precision delta-sigma ADC with a single-cycle settling digital filter, and an internal oscillator. The ADS1147 and ADS1148 also provide a built-in voltage reference with 10mA output capacity, and two matched programmable current digital-to-analog converters (DACs). The ADS1146/7/8 provide a complete front-end solution for temperature sensor applications including thermal couples, thermistors, and resistance temperature detectors (RTDs).

An input multiplexer supports four differential inputs for the ADS1148, two for the ADS1147, and one for the ADS1146.

View All Description in Datasheet

    

Pricing / Packaging / CAD Design Tools / Samples

PricePackagingSamples
DeviceStatusTemp (oC)Price | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSamples
ADS1146IPWPREVIEW-40 to 1254.40 | 100uTSSOP (PW) | 16 View 90Not Available
ADS1146IPWRPREVIEW-40 to 1253.40 | 100uTSSOP (PW) | 16 View 2000Not Available

* 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.

Quality & Lead (Pb)-Free Data

 Product ContentDPPM / MTBF / FIT Rate
DeviceEco Plan* Lead / Ball FinishMSL Rating / Peak ReflowDetailsDetails
ADS1146IPW      View
ADS1146IPWR      View

* 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

Most useful technical documents for ADS1146 Help

Datasheet

Application Notes

View Application Notes for Analog to Digital Converter

User Guides

View User Guides for Analog to Digital Converter

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

Part # Name Product Family Comments
ADS1147   16-Bit Analog-to-Digital Converter For Temperature Sensors   DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER   ADS1147 has 2 Differential/3 Single-Ended Inputs and has an internal v-ref and dual current sources  
ADS1246   Low Noise, Precision 24-Bit Analog to Digital Converter   DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER   ADS1246 is 24 bit upgrade to the 16 bit ADS1146  
ADS1148   16-Bit Analog-to-Digital Converter For Temperature Sensors   DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER   ADS1148 has 4 differential/7 single-ended inputs and has an internal v-ref and dual current sources  
OPA211   1.1nV/rtHz Noise, Low Power, Precision Operational Amplifier in Tiny DFN-8 Package   PRECISION AMPLIFIER - LOW NOISE   Wide BW, Zero Crossover amplifier        
OPA333   1.8V, 17uA, 2uV, microPOWER CMOS Zero-Drift Series Operational Amplifier   PRECISION AMPLIFIER - LOW OFFSET VOLTAGE   Low power Zero Drift amplifier        
OPA365   2.2V, 50MHz, Low-Noise, Single-Supply Rail-to-Rail Operational Amplifier   PRECISION AMPLIFIER - LOW OFFSET VOLTAGE   Low noise Bipolar amplifier        
REF5025   Low Noise, Very Low Drift, Precision Voltage Reference   VOLTAGE REFERENCE - SERIES VOLTAGE REFERENCE   High precision Voltage Reference        
INA333   Low Power, Precision Instrumentation Amplifier   INSTRUMENTATION AMPLIFIER - SINGLE SUPPLY   Low power Zero Drift Instrumentation amplifier      
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ADS1100 Self-Calibrating, 16-Bit Analog-to-Digital Converter DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER TI customers also evaluated this product.
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ADS1248 Low Noise, Precision 24-Bit Analog-to-Digital Converter DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER TI customers also evaluated this product.
ADS1246 Low Noise, Precision 24-Bit Analog to Digital Converter DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER TI customers also evaluated this product.
ADS1147 16-Bit Analog-to-Digital Converter For Temperature Sensors DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER TI customers also evaluated this product.
ADS1148 16-Bit Analog-to-Digital Converter For Temperature Sensors DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER TI customers also evaluated this product.

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