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RTD to Digital Converter, 3V to 3.6V, TQFN-20 - 

MAX31865ATP+T

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Manufacturer Part No:
MAX31865ATP+T
Order Code:
SC20432
Product Range
-
Technical Datasheet:
MAX31865ATP+T   Datasheet
See all Technical Docs

Product Overview

MAX31865ATP+T is a RTD-to-digital converter. It is an easy-to-use resistance-to-digital converter optimized for platinum resistance temperature detectors (RTDs). An external resistor sets the sensitivity for the RTD being used and a precision delta-sigma ADC converts the ratio of the RTD resistance to the reference resistance into digital form. The MAX31865’s inputs are protected against overvoltage faults as large as ±45V. Programmable detection of RTD and cable open and short conditions is included. Applications include industrial equipment, medical equipment, instrumentation.
  • Integration lowers system cost, simplifies design efforts, and reduces design cycle time
  • Simple conversion of platinum RTD resistance to digital value
  • Handles 100 ohm to 1Kohm (at 0°C) platinum RTDs (PT100 to PT1000)
  • Compatible with 2, 3, and 4-wire sensor connections
  • SPI-compatible interface
  • High accuracy facilitates meeting error budgets
  • 15-bit ADC resolution; nominal temperature resolution 0.03125°C (varies due to RTD nonlinearity)
  • Total accuracy over all operating conditions: 0.5°C (0.05% of full scale) max
  • Fully differential VREF inputs, 21ms (max) conversion time
  • 20 TQFN-EP package, -40°C to +125°C temperature range

Footnotes

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party.

Product Information


:
RTD to Digital Converter

:
3V

:
3.6V

:
TQFN

:
20Pins

:
-40°C

:
125°C

:
-

:
-

:
MSL 1 - Unlimited

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Technical Documents (3)

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