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LTC2983 Multi-Sensor High Accuracy Digital Temperature Measurement System

LTC2983 is a versatile digital temperature measurement system suitable for high accuracy applications like gas flow meters, process controllers, handheld meters, gas chromatographs, BMS, and EGT data acquisition. With its universally configurable inputs, constantly calibrated ADCs, and integrated ROM and RAM, the LTC2983 offers simplicity and accuracy in temperature monitoring. Its performance software allows easy configuration, sensor evaluation, and data export, while the Linduino coding environment facilitates firmware development, reducing time and effort.

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LTC2983 Multi-Sensor High Accuracy Digital Temperature Measurement System

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  1. LTC2983 Multi-Sensor High Accuracy Digital Temperature Measurement System

  2. High Accuracy Temperature Applications Gas Flow Meters Process Controllers Handheld Meters Gas Chromatographs Test & Measurement Equipment BMS (Battery Management System) or EGT (Exhaust Gas Temperature) Data Acquisition

  3. Temperature Sensors Summary Thermistor Voltage or Resistance RTD Thermocouple Diode T

  4. Temperature Sensors Summary

  5. Types of Temperature Solutions Discrete ±0.1°C LTC2983 Remote ICs Accuracy ±0.5°C Local ICs ±3°C Complexity

  6. Temperature Monitoring Blocks Switch Matrix Signal Chain ADC Isolation Digital Protection REF

  7. LTC2983: One IC to Measure Any Temp Sensor x3 Continuously Calibrated ADCs Ensures Repeatable Accuracy 24-Bit ADC Buffered Inputs Eliminate Level Shifters, Negative Supplies, or External Amps 24-Bit ADC 10ppm/°C (Max) Reference Helps Achieve Benchtop Accuracy Up to ±0.1°C 24-Bit ADC

  8. LTC2983: Universally Configurable Inputs • Any Input, Any Sensor • Use Diodes, Thermistors or RTDs as Thermocouple CJC Sensors • Share RSENSE Across Multiple Sensors LTC2983

  9. LTC2983: Digital Convenience ROM RAM LTC2983 SPI Intuitively Organized RAM Stores Channel Assignments, Custom Coefficients, Configuration and Results All Standard Coefficients and Equations Built Into ROM

  10. LTC2983 Performance Error Contribution

  11. LTC2983: Simple Configuration Software • Create/Save/Load/Check LTC2983 Configurations • Run the LTC2983 and Evaluate Connected Sensors • Export Measurements to *.csv File (Excel-Ready) • Create Linduino-Ready “C” Code • Free Download via QuikEval 22s Video Clip (Configuring 2 Inputs)

  12. LTC2983: Linduino “C” Coding Environment • Arduino Uno Compatible System for Developing and Distributing LTC Firmware Libraries and Example Code • Includes µC with Bootloader • AVR-GCC Compiler Reduce Firmware Development Time!

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