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ADS1205 Status: ACTIVE

Two 1-Bit, 10MHz, 2nd-Order, Delta-Sigma Modulator A-to-D Converter


      
         
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See Also

  • ADS1208 - The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. 
  • ADS1203 - The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. 
  • ADS1204 - The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. 

View all related products

 ADS1201 ADS1202 ADS1203 ADS1204 ADS1205ADS1208 
Resolution(Bits)24  16  16  16  16  16  
Sample Rate (max)1kSPS  40kSPS  40kSPS  40kSPS  40kSPS  40kSPS  
ArchitectureDelta-Sigma,Modulator  Delta-Sigma,Modulator  Delta-Sigma,Modulator  Delta-Sigma,Modulator  Delta-Sigma,Modulator  Delta-Sigma,Modulator  
Power Consumption(Typ)(mW)25  30  33  122  59  64  
SINAD(dB) 70  85  89  89  81.5  
SNR(dB) 70.5  85  89  89  82  
SFDR(dB) 84  95  100  100  93  
DNL(Max)(+/-LSB)1  1  1  1  1  1  
INL(Max)(+/-LSB)0.0015%  0.005%  0.001%  0.001%  0.002%  0.0025%  
No Missing Codes(Bits)24  16  16  16  16  16  
ENOB(Bits)20  12  16  14.5  14.5  13.2  
No. of Supplies1  1  1  2  2  2  
Analog Voltage AV/DD(Min)(V)4.75  4.75  4.5  4.5  4.5  4.5  
Analog Voltage AV/DD(Max)(V)5.25  5.25  5.5  5.5  5.5  5.5  
Logic Voltage DV/DD(Min)(V)4.75  4.75  4.5  2.7  2.7  2.7  
Logic Voltage DV/DD(Max)(V)5.25  5.25  5.5  5.5  5.5  5.5  
Input Configuration RangeVref  320mV  250mV  Vref  Vref  100mV  
Reference ModeInt and Ext  Int  Int  Int and Ext  Int and Ext  Int and Ext  
RatingCatalog  Catalog  Catalog  Catalog  Catalog  Catalog  
Pin/Package16SOIC  8TSSOP  16QFN, 8TSSOP  32QFN  24VQFN  16TSSOP  
Commentsfrequency: 320 kHz  frequency: 10 MHz      
# Input Channels1  1  1  4  2  1  
 SamplesSamplesSamplesSamplesSamplesSamples
 InventoryInventoryInventoryInventoryInventoryInventory

Customers Who Evaluated This Product Also Evaluated

  • AMC1210: 4 Channel Digital Filter for ADS120X family of modulators
  • AMC1203: 1-Bit, 10MHz, 2nd-Order, Isolated Delta-Sigma Modulator
  • ADS8328: 2.7V~5.5V, 16 bit 500KSPS Serial ADC w 2-to-1 MUX
  • TPA3101D2: 10-W Stereo Class-D Audio Power Amplifier (TPA3101)
  • OPA2335: 0.05uV/C max, Single-Supply CMOS Operational Amplifier
  • SN74HC241: Octal Buffers And Line Drivers With 3-State Outputs

More Related Products

Product Information

Features

  • 16-Bit Resolution
  • 14-Bit Linearity
  • ±2.5V Input Range at 2.5V
  • Internal Reference Voltage: 2%
  • Gain Error: 0.5%
  • Two Independent Delta-Sigma Modulators
  • Two Input Reference Buffers
  • On-Chip 20MHz Oscillator
  • Selectable Internal or External Clock
  • Operating Temperature Range: -40°C to +85°C
  • QFN-24 (4x4) Package
  • APPLICATIONS
    • Motor Control
    • Current Measurement
    • Industrial Process Control
    • Instrumentation
    • Resolver

All trademarks are the property of their respective owners.

Description

The ADS1205 is a two-channel, high-performance, delta-sigma () modulator with more than 98dB dynamic range, operating from a single +5V supply. The differential inputs are ideal for direct connection to transducers in an industrial environment. With the appropriate digital filter and modulator rate, the device can be used to achieve 16-bit analog-to-digital (A/D) conversion with no missing codes. Effective resolution of 14 bits can be obtained with a digital filter bandwidth of 40kHz at a modulator rate of 10MHz. The ADS1205 is designed for use in high-resolution measurement applications including current measurements, smart transmitters, industrial process control, and resolvers. It is available in a QFN-24 (4x4) package.

    

Pricing / Packaging / CAD Design Tools / Samples

PricePackagingCAD Design ToolsSamples
DeviceStatusTemp (oC)Price | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSymbolsSamples
ADS1205IRGERACTIVE-40 to 854.95 | 1kuVQFN (RGE) | 24 View 3000 | LARGE T&R Download CAD Format for this SymbolPurchase Samples
ADS1205IRGERG4ACTIVE-40 to 854.95 | 1kuVQFN (RGE) | 24 View 3000 | LARGE T&R Download CAD Format for this SymbolPurchase Samples
ADS1205IRGETACTIVE-40 to 855.45 | 1kuVQFN (RGE) | 24 View 250 | SMALL T&R Download CAD Format for this Symbol
ADS1205IRGETG4ACTIVE-40 to 855.45 | 1kuVQFN (RGE) | 24 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

Reported Distributor Inventory as of 12:19 PM GMT, 22 Nov 2009
RegionCompanyIn StockPurchase
TI Lead Time*: 16 WeeksADS1205IRGER
WorldwideDigiKey  Available
TI Lead Time*: 16 WeeksADS1205IRGERG4
WorldwideDigiKey  Available
TI Lead Time*: 16 WeeksADS1205IRGET
AmericasNewark 62
Rochester Electronics >1k
AsiaFarnell Asia 65
EuropeFarnell 3
WorldwideDigiKey 254
Mouser Electronics 250
TI Lead Time*: 16 WeeksADS1205IRGETG4
WorldwideDigiKey  Available
View all Distributors  

** 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
ADS1205IRGER RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
ADS1205IRGERG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
ADS1205IRGET RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
ADS1205IRGETG4 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

Most useful technical documents for ADS1205 Help

Datasheet

Application Notes

View Application Notes for Analog to Digital Converter

Reference Designs

Description Part # Company
ADS1202 Reference Design ADS1202REF Texas Instruments

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
ADS1208   10MHz Modulator with built in current excitation for Hall sensors   DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER   The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.   
ADS1203   Current shunt Delta-Sigma Modulator, 10MHz CLK, +/-250mV input, 16-Bit resolution   DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER   The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.   
ADS1204   Four Delta-Sigma Modulators, 10MHz CLK, 0-5V Input, 16-Bit Resolution   DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER   The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.   
ADS1201   High Dynamic Range Delta-Sigma Modulator   DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER   The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.   
ADS1202   Current Shunt Delta-Sigma Modulator, 10MHz CLK, +/-250mV Input, 16-Bit Resolution   DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER   The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.   
OPA365   2.2V, 50MHz, Low-Noise, Single-Supply Rail-to-Rail Operational Amplifier   PRECISION AMPLIFIER - LOW OFFSET VOLTAGE   OPERATIONAL AMPLIFIER    
OPA333   1.8V, 17uA, 2uV, microPOWER CMOS Zero-Drift Series Operational Amplifier   PRECISION AMPLIFIER - LOW OFFSET VOLTAGE   OPERATIONAL AMPLIFIER    
REF5025   Low Noise, Very Low Drift, Precision Voltage Reference   VOLTAGE REFERENCE - SERIES VOLTAGE REFERENCE   SERIES VOLTAGE REFERENCE    
AMC1210   4 Channel Digital Filter for ADS120X family of modulators   DATA CONVERTERS - ANALOG TO DIGITAL CONVERTER   CURRENT SHUNT MONITOR    
Customers Who Evaluated This Product Also Evaluated...
AMC1210 4 Channel Digital Filter for ADS120X family of modulators DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER TI customers also evaluated this product.
AMC1203 1-Bit, 10MHz, 2nd-Order, Isolated Delta-Sigma Modulator DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER TI customers also evaluated this product.
ADS8328 2.7V~5.5V, 16 bit 500KSPS Serial ADC w 2-to-1 MUX DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER TI customers also evaluated this product.
ADS1174 Quad, Simultaneous Sampling, 16-Bit Analog-to-Digitalconverter DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER TI customers also evaluated this product.
ADS1115 16-Bit ADC with Integrated MUX, PGA, Comparator, Oscillator, and Reference DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER TI customers also evaluated this product.
ADS8556 630kSPS, 6-Channels, Simultaneous Sampling Analog-to-Digital Converter DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER TI customers also evaluated this product.
ADS1203 Current shunt Delta-Sigma Modulator, 10MHz CLK, +/-250mV input, 16-Bit resolution DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER TI customers also evaluated this product.
ADS1208 10MHz Modulator with built in current excitation for Hall sensors DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER TI customers also evaluated this product.
ADS1202 Current Shunt Delta-Sigma Modulator, 10MHz CLK, +/-250mV Input, 16-Bit Resolution DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER TI customers also evaluated this product.
ADS1252 ResolutionPlus 24-Bit, 40kHz Analog-to-Digital Converter DATA CONVERTERS-ANALOG TO DIGITAL CONVERTER TI customers also evaluated this product.
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