LTC2461
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LTC2461

Differential Ultra-Tiny, 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 $2.01
Features
  • 16-Bit Resolution, No Missing Codes
  • Internal Reference, High Accuracy 10ppm/°C (Max)
  • Single-Ended (LTC2461) or Differential (LTC2463)
  • 2LSB Offset Error (Typ)
  • 0.01% Gain Error (Typ)
  • 60 Conversions Per Second
  • Single Conversion Settling Time for Multiplexed Applications
  • 1.5mA Supply Current
  • 200nA Sleep Current
  • Internal Oscillator—No External Components Required
  • 2-Wire I2C Interface with Two Addresses Plus One Global Address for Synchronization
  • Ultra-Tiny, 12-Lead, 3mm × 3mm DFN and MSOP Packages
Additional Details
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The LTC2461/LTC2463 are ultra tiny, 16-Bit analog to digital converters with an integrated precision reference. They use a single 2.7V to 5.5V supply and communicate through an I2C Interface. The LTC2461 is single-ended with a 0V to 1.25V input range and the LTC2463 is differential with a 1.25V 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 3mm × 3mm DFN package or an MSOP-12 package. They include an integrated oscillator and perform conversions with no latency for multiplexed applications. The LTC2461/LTC2463 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 LTC2461/LTC2463 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 LTC2461/LTC2463 can sample at 60 conversions per second and, due to the very large oversampling ratio, have extremely relaxed antialiasing requirements. Both include continuous internal offset and fullscale calibration algorithms which are transparent to the user, ensuring accuracy over time and the operating temperature range.

Applications

  • System Monitoring
  • Environmental Monitoring
  • Direct Temperature Measurements
  • Instrumentation
  • Data Acquisition
  • Embedded ADC Upgrades
Part Models 8
1ku List Price Starting From $2.01

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LTC2461CDD#PBF
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LTC2461CMS#PBF
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LTC2461CMS#TRPBF
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LTC2461IDD#PBF
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LTC2461IDD#TRPBF
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LTC2461IMS#PBF
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LTC2461IMS#TRPBF
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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

LTC2461CMS#PBF

PRODUCTION

LTC2461CMS#TRPBF

PRODUCTION

LTC2461IMS#PBF

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Filter by Model

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Part Models

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

LTC2461CMS#PBF

PRODUCTION

LTC2461CMS#TRPBF

PRODUCTION

LTC2461IMS#PBF

PRODUCTION

LTC2461IMS#TRPBF

PRODUCTION

Software and Part Ecosystem

Software and Part Ecosystem

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Evaluation Kit

Evaluation Kits 1

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DC1491A

LTC2461 Demo Board | 16-Bit I2C Single-Ended ∆Σ ADC with 10ppm Max Internal Reference, Requires DC2026

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DC1491A

LTC2461 Demo Board | 16-Bit I2C Single-Ended ∆Σ ADC with 10ppm Max Internal Reference, Requires DC2026

LTC2461 Demo Board | 16-Bit I2C Single-Ended ∆Σ ADC with 10ppm Max Internal Reference, Requires DC2026

Product Detail

Demonstration circuit 1491A features the LTC2461, a 16 bit high performance ΔΣ analog-to-digital converter (ADC) with an I2C interface. The input is single-ended with a range of 0 to REF. The modulator’s proprietary sampling technique reduces the average input current to less than 50nA–orders of magnitude lower than typical delta sigma ADCs.

Tools & Simulations

Tools & Simulations 1

Linduino

Linduino is Analog Devices’ Arduino compatible system for developing and distributing firmware libraries and example code for our integrated circuits. Each Linduino-supported product includes an example main program, defined in the LTSketchbook/Part Number folder and driver code, defined in the LTSketchbook/libraries folder.

Linduino code repository on GitHub and instructions on how to use the code.

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