Optimized Latency, Power and Memory Footprint Thermocouple Sensing Front-end Reference Design TIDA-00468 (ACTIVE)

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Key Document

Description

The TIDA-00468 Reference design shows how to build an isolated thermocouple sensing front-end with optimized power-consumption for loop powered application while:
• reducing footprint from classical look-up table approach and
• keeping the fast response time of linear piece wise interpolation

Features
  • Sensor Input: K-Type Thermocouple
  • Temperature range:-270..1372 C
  • System accuracy: +/- 0.2K
  • Piecewise linear interpolation
  • Look-up table size: 320 bytes

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Schematic/Block Diagram

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Design Guide

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Design Files

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TI Devices (4)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
ADS1220  24-bit, 2-kSPS, 4-ch, low-power, small-size delta-sigma ADC w/ PGA, VREF, 2x IDACs & SPI interface  Analog-to-digital converters (ADCs)  Sample & Buy View Design Kits & Evaluation Modules
MSP430FR5949  MSP430FR5949 16 MHz Ultra-Low-Power Microcontroller featuring 64 KB FRAM, 2 KB SRAM, 33 IO  MSP430 ultra-low-power MCUs  Sample & Buy View Design Kits & Evaluation Modules
REF5020  Low Noise, Very Low Drift, Precision Series VOLTAGE REFERENCE  Voltage references  Sample & Buy Not Available
TCA9535  Remote 16-Bit I2C and SMBus, Low-Power I/O Expander With Interrupt Output and Config Registers  I2C  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
ADS1220 Download Download
Download Download
MSP430FR5949 Download
REF5020 Download Download
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TCA9535 Download
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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 2155 28 Aug 2015
Design files (6)
Title Type Size (KB) Date
ZIP 1690 23 Jun 2015
ZIP 10039 23 Jun 2015
PDF 742 23 Jun 2015
PDF 144 23 Jun 2015
PDF 195 23 Jun 2015
PDF 374 23 Jun 2015
Related Tools & Software

Reference Designs  ( 4 )


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