LTC2496
Info: : PRODUCTION
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LTC2496

16-Bit 8-/16-Channel ΔΣ ADC with Easy Drive Input Current Cancellation

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Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 4
1ku List Price Starting From $3.19
Features
  • Up to 8 Differential or 16 Single-Ended Inputs
  • Easy Drive Technology Enables Rail-to-Rail Inputs with Zero Differential Input Current
  • Directly Digitizes High Impedance Sensors with Full Accuracy
  • 600nVRMS Noise (0.02 LSB Transition Noise)
  • GND to VCC Input/Reference Common Mode Range
  • Simultaneous 50Hz/60Hz Rejection
  • 2ppm INL, No Missing Codes
  • 1ppm Offset and 15ppm Full-Scale Error
  • No Latency: Digital Filter Settles in a Single Cycle, Even After a New Channel is Selected
  • Single Supply 2.7V to 5.5V Operation (0.8mW)
  • Internal Oscillator
  • QFN 5mm × 7mm Package
Additional Details
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The LTC2496 is a 16-channel (8-differential) 16-bit No Latency ΔΣ ADC with Easy Drive technology. 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 rail-to-rail input signals to be directly digitized while maintaining exceptional DC accuracy.

The LTC2496 includes an integrated oscillator. This device can be configured to measure an external signal (from combinations of 16 analog input channels operating in single ended or differential modes). It automatically rejects line frequencies of 50Hz and 60Hz, simultaneously.

The LTC2496 allows a wide common mode input range (0V to VCC), independent of the reference voltage. Any combination of single-ended or differential inputs can be selected and the first conversion after a new channel is selected is valid. Access to the multiplexer output enables optional external amplifiers to be shared between all analog inputs and auto calibration continuously removes their associated offset and drift.

Applications

  • Direct Sensor Digitizer
  • Direct Temperature Measurement
  • Instrumentation
  • Industrial Process Control
Part Models 4
1ku List Price Starting From $3.19

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LTC2496CUHF#PBF
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LTC2496CUHF#TRPBF
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LTC2496IUHF#PBF
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LTC2496IUHF#TRPBF
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Evaluation Kit

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Tools & Simulations

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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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