LTC2483
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LTC2483

16-Bit ΔΣ ADC with Easy Drive Input Current Cancellation and I2C Interface

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Part Details
Part Models 4
1ku List Price Starting From $2.01
Features
  • Easy Drive Technology Enables Rail-to-Rail Inputs with Zero Differential Input Current
  • Directly Digitizes High Impedance Sensors with Full Accuracy
  • 600nVRMS Noise, Independent of VREF
  • GND to VCC Input/Reference Common Mode Range
  • 2-Wire I2C Interface
  • Simultaneous 50Hz/60Hz Rejection
  • 2ppm (0.25 LSB) INL, No Missing Codes
  • 1ppm Offset and 15ppm Full-Scale Error
  • No Latency: Digital Filter Settles in a Single Cycle
  • Single Supply 2.7V to 5.5V Operation
  • Internal Oscillator
  • Six Addresses Available
  • Available in a Tiny (3mm × 3mm) 10-Lead DFN Package
Additional Details
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The LTC2483 combines a 16-bit plus sign No Latency ΔΣ analog-to-digital converter with patented Easy Drive technology and I2C digital interface. The patented sampling scheme eliminates dynamic input current errors and the shortcomings of on-chip buffering through automatic cancellation of differential input current. This allows large external source impedances and input signals, with rail-torail input range to be directly digitized while maintaining exceptional DC accuracy.

The LTC2483 allows a wide common mode input range (0V to VCC) independent of the reference voltage. The reference can be as low as 100mV or can be tied directly to VCC. The noise level is 600nVRMS independent of VREF. This allows direct digitization of low level signals with 16‑bit accuracy. The LTC2483 includes an on-chip trimmed oscillator, eliminating the need for external crystals or oscillators and provides 87dB rejection of 50Hz and 60Hz line frequency noise. Absolute accuracy and low drift are automatically maintained through continuous, transparent, offset and full-scale calibration.

Application

  • Direct Sensor Digitizer
  • Weight Scales
  • Direct Temperature Measurement
  • Strain Gauge Transducers
  • Instrumentation
  • Industrial Process Control
  • DVMs and Meters
Part Models 4
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
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Product Lifecycle

PCN

Jun 30, 2020

- 20_0244

Notification of Wafer Fab Location Change for 0.6µm CMOS Process Devices from ADI Milpitas (Hillview) to Vanguard Int. (Taiwan)

LTC2483CDD#PBF

PRODUCTION

LTC2483CDD#TRPBF

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LTC2483IDD#PBF

PRODUCTION

LTC2483IDD#TRPBF

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Filter by Model

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Product Lifecycle

PCN

Jun 30, 2020

- 20_0244

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Notification of Wafer Fab Location Change for 0.6µm CMOS Process Devices from ADI Milpitas (Hillview) to Vanguard Int. (Taiwan)

LTC2483CDD#PBF

PRODUCTION

LTC2483CDD#TRPBF

PRODUCTION

LTC2483IDD#PBF

PRODUCTION

LTC2483IDD#TRPBF

PRODUCTION

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