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Texas Instruments AFE4403YZPR | Demoboard TIDA-01614

Multiparameter front end reference design for vital signs patient monitor

Overview

TopologyOther Topology
IC revisionE1

Description

This reference design is for a multiparameter front end of a patient monitor that measures vital sign parameters like ECG, heart rate, SpO2 and respiration.it uses biosensing front end integrated circuits like the AFE4403 and ADS1292R devices, to measure these parameters. It also uses three TMP117 sensors to accurately measure skin temperature. This design can interface with the pace detection module to detect the pace pulse. The design also uses an isolated UART connection to transfer data to a computer. The entire front end subsytem runs on a rechargeable 3.7V li ion battery.

Features

  • Monitors ECG, Heart rate, SpO2, respiration rate and skin temperature
  • Uses biosensing front end AFE4403 for SpO2 and heart rate measurement, and ADS1292R for ECG and respiration measurement.
  • Supports up to three LEDs and three photodiodes with ambient subtraction to improve signal to noise ratio for SpO2 and heart rate measurement. Single lead ECG measurement with RLD
  • Supports three 0.1 Celsius accurate sensors to measure the skin temperature
  • Interfaces to pace detection module(software configurable cardiac pacemaker detection module reference design ) to enable pacemaker detection
  • Enables data transfer over isolated UART interfaceRuns on a one cell Li Ion rechargeable battery

Typical applications

  • Medical Pulse Oximeter Applications / Optical HRM
  • Industrial Photometry Applications

Products

Order Code Data­sheet Downloads Product seriesWinding StyleL
(µH)
Z @ 100 MHz
(Ω)
IR
(mA)
RDC max.
(Ω)
VR
(V)
VT
(V (DC))
Application Samples
744232090
STE ALT EAG CAD LTS PSP IGS CAD SPAWE-CNSW SMT Common Mode Line Filter bifiliar 0.111 90 370 0.3 50 125 USB 2.0
Order Code Data­sheet
744232090
Samples
Order Code Data­sheet Downloads Product seriesWinding StyleL
(µH)
Z @ 100 MHz
(Ω)
IR
(mA)
RDC max.
(Ω)
VR
(V)
VT
(V (DC))
Application Samples