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LTM2985 - Isolated High Accuracy Digital Temperature Measurement System

General Description

The LTM®2985 measures a wide variety of temperature sensors and digitally outputs the result, in °C or °F, with 0.1°C accuracy and 0.001°C resolution.

Key Features

  • n 5000VRMS Isolated Power and SPI Interface n Directly Digitizes 2-, 3- or 4-Wire RTDs, Thermocouples, Thermistors and Diodes n 10 Flexible Inputs Allow Interchanging Sensors n Automatic Thermocouple Cold Junction Compensation n Built-In Standard and User-Programmable Coefficients for Thermocouples, RTDs and Thermistors n Automatic Burn Out, Short-Circuit and Fault Detection n Buffered Inputs Allow External Protection n Simultaneous 50Hz/60Hz Rejection n Includes 15ppm/°C (Max) Reference n Inclu.

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Datasheet Details

Part number LTM2985
Manufacturer Analog Devices
File Size 5.00 MB
Description Isolated High Accuracy Digital Temperature Measurement System
Datasheet download datasheet LTM2985 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LTM2985 Isolated High Accuracy Digital Temperature Measurement System with EEPROM FEATURES n 5000VRMS Isolated Power and SPI Interface n Directly Digitizes 2-, 3- or 4-Wire RTDs, Thermocouples, Thermistors and Diodes n 10 Flexible Inputs Allow Interchanging Sensors n Automatic Thermocouple Cold Junction Compensation n Built-In Standard and User-Programmable Coefficients for Thermocouples, RTDs and Thermistors n Automatic Burn Out, Short-Circuit and Fault Detection n Buffered Inputs Allow External Protection n Simultaneous 50Hz/60Hz Rejection n Includes 15ppm/°C (Max) Reference n Includes Special Protection Modes n On-Chip EEPROM Stores Channel Configuration Data and Custom Coefficients APPLICATIONS n Direct Thermocouple Measurements n Direct RTD Measurements n Direct Thermistor Measuremen