Miniaturized Pulse Oximeter Reference Design


Design files


This reference design is for a miniturized pulse oximeter specifically designed for high end clinical applications. The small form factor module can easily simplify and accelerate pulse oximeter system design. Featuring TI's AFE4403 Analog Front End for interfacing with the LED and Photodiode sensors, this design also includes an MCU for processing the information from the AFE. This design is a smaller form factor than TIDA-00010.

  • Supports peripheral oxygen saturation measurement
  • Features AFE4403 and third party optical sensore module for measuring oxygen saturation
  • MSP430F5528 MCU for holding algorithm for each measurement
  • This design is tested and provides everything you need to complete your design including schematics, layout, gerber files, and BOM
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.


Detailed schematic diagram for design layout and components


Complete listing of design components, reference designators, and manufacturers/part numbers

TIDRAM0.ZIP (1647 K)

Detailed overview of design layout for component placement

TIDC633.ZIP (458 K)

Design file that contains information on physical board layer of design PCB


PCB layer plot file used for generating PCB design layout


Includes TI products in the design and potential alternatives.

Biosensing AFEs

AFE4403Ultra-Small Integrated Analog Front End (AFE) for Heart-Rate Monitors and Low-Cost Pulse Oximeters

Data sheet: PDF | HTML
MSP430 microcontrollers

MSP430F552825 MHz MCU with 128KB Flash, 8KB SRAM, 12-bit ADC, comparator, DMA, UART/SPI/I2C, USB, HW multiplier

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
* User guide TIDA-00311 Miniaturized Pulse Oximeter Reference Design Sep. 18, 2014

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