Human Skin Temperature Sensing for Wearable Applications Reference Design
TIDA-00824
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Key Document

Description

TIDA-00824 features the LMT70 analog temperature sensor for measuring human skin temperature. This TI design features how to mechanically mount the temperature sensor for best  thermal conductivity. Signal path considerations on how to achieve greater than 0.1°C accuracy is also discussed in this TI design.

Features
  • How to use the LMT70 temperature sensor to measure human skin temperature
  • Ideal signal path components to achieve high thermal accuracy
  • Layout considerations for routing thermal paths
  • Mechanical case example for ideal mounting considerations

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Schematic/Block Diagram

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Design Files

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TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
ADS1115  16-Bit 860SPS 4-Ch Delta-Sigma ADC With PGA, Oscillator, Vref, Comparator, and I2C  Analog-to-digital converters (ADCs)  Sample & Buy View Design Kits & Evaluation Modules
LMT70  ±0.1°C ultra-small, high-precision, low-power CMOS analog temperature sensor  Temperature sensors  Sample & Buy View Design Kits & Evaluation Modules
MSP430G2553  16 MHz MCU with 16KB FLASH, 512B SRAM, 10-bit ADC, Comparator, UART/SPI/I2C, Timer  Microcontrollers (MCU)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
ADS1115 Download Download
Download Download
LMT70 Download -
MSP430G2553 Download
Download Download
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Technical documentation

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User guides (1)
Title Type Size (KB) Date
PDF 1731 21 Oct 2015
Design files (6)
Title Type Size (KB) Date
ZIP 3370 21 Oct 2015
ZIP 518 21 Oct 2015
ZIP 305 21 Oct 2015
ZIP 73 21 Oct 2015
PDF 196 21 Oct 2015
ZIP 189 21 Oct 2015
More literature (1)
Title Type Size (KB) Date
ZIP 744 27 Oct 2015
Related Tools & Software

Reference Designs (1)

Name Part Number Tool Type
Temperature Sensor for Wearable Devices Reference Design  TIDA-00452  Reference design 

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