LTC2471
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LTC2471

Selectable 208sps/833sps, 16-Bit I2C ΔΣ ADCs with 10ppm/°C Max Precision Reference

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Info: : PRODUCTION tooltip
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Part Details
Part Models 8
1ku List Price Starting From $2.08
Features
  • 16-Bit Resolution
  • Internal, High Accuracy Reference—10ppm/°C (Max)
  • Single-Ended (LTC2471) or Differential (LTC2473)
  • Selectable 208sps/833sps Output Rate
  • 1mV Offset Error
  • 0.01% Gain Error
  • Single Conversion Settling Time Simplifies Multiplexed Applications
  • Single-Cycle Operation with Auto Shutdown
  • 3.5mA (Typ) Supply Current
  • 2μA (Max) Sleep Current
  • Internal Oscillator—No External Components Required
  • I2C Interface
  • Small 12-Lead, 3mm × 3mm DFN and MSOP Packages
Additional Details
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The LTC2471/LTC2473 are small, 16-bit analog-to-digital converters with an integrated precision reference and a selectable 208sps or 833sps output rate. They use a single 2.7V to 5.5V supply and communicate through an I2C Interface. The LTC2471 is single-ended with a 0V to VREF input range and the LTC2473 is differential with a ±VREF input range. Both ADCs include a 1.25V integrated reference with 2ppm/°C drift performance and 0.1% initial accuracy. The converters are available in a 12-pin DFN 3mm × 3mm package or an MSOP-12 package. They include an integrated oscillator and perform conversions with no latency for multiplexed applications. The LTC2471/LTC2473 include a proprietary input sampling scheme that reduces the average input current several orders of magnitude when compared to conventional delta sigma converters.

Following a single conversion, the LTC2471/LTC2473 automatically power down the converter and can also be configured to power down the reference. When both the ADC and reference are powered down, the supply current is reduced to 200nA.

The LTC2471/LTC2473 include a user selectable 208sps or 833sps output rate and due to a large oversampling ratio (8,192 at 208sps and 2,048 at 833sps) have relaxed anti-aliasing requirements.

Applications

  • System Monitoring
  • Environmental Monitoring
  • Direct Temperature Measurements
  • Instrumentation
  • Industrial Process Control
  • Data Acquisition
  • Embedded ADC Upgrades
Part Models 8
1ku List Price Starting From $2.08

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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Product Lifecycle

PCN

Feb 4, 2020

- 20_0129

Laser Mark Conversion for 12-Lead MSOP Packages Assembled in ADPG and UTAC

LTC2471CMS#PBF

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LTC2471CMS#TRPBF

PRODUCTION

LTC2471IMS#PBF

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Filter by Model

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Product Lifecycle

PCN

Feb 4, 2020

- 20_0129

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Laser Mark Conversion for 12-Lead MSOP Packages Assembled in ADPG and UTAC

LTC2471CMS#PBF

PRODUCTION

LTC2471CMS#TRPBF

PRODUCTION

LTC2471IMS#PBF

PRODUCTION

LTC2471IMS#TRPBF

PRODUCTION

Software & Part Ecosystem

Software & Part Ecosystem

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Evaluation Kit

Evaluation Kits 1

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DC1718A

LTC2471 Selectable 208sps/833sps, 16-Bit I2C Delta Sigma ADCs with 10ppm/C Max Precision Reference (Requires DC590B)

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DC1718A

LTC2471 Selectable 208sps/833sps, 16-Bit I2C Delta Sigma ADCs with 10ppm/C Max Precision Reference (Requires DC590B)

LTC2471 Selectable 208sps/833sps, 16-Bit I2C Delta Sigma ADCs with 10ppm/C Max Precision Reference (Requires DC590B)

Product Detail

DC1718A: Demo Board for the LTC2471 Selectable 208sps/833sps, 16-Bit I2C ΔΣ ADCs with 10ppm/°C Max Precision Reference.


 


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