Hardware Pace Detection for ECG Reference Design

(ACTIVE) TIPD111

Description & Features

Technical Documents

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Description

This Verified Design outlines a hardware pace detection solution for ECG using slope detection. The circuit is designed to work smoothly with the ADS1298 through the PACEOUT pins from the ADC directly feeding the input of the pace detection circuit. When a pace signal is detected, the output from the circuit is designed to latch a logic signal high to be read from a GPIO.

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Features
  • Monitors for Signal from Pacemaker using slope detection
  • Outputs and latches an logic pin which can be monitored using a GPIO
  • Single Supply Solution
  • Designed to mate with ADS1298ECG-FE board
     

      This Verified Design Includes

    • Theory
    • Component Selection
    • TINA-TI Simulation
    • Schematics and PCB Layout
    • Verification and Measured Performance
    • Modification Options


    

TI Devices (4)

Get more information on the TI products in this reference design.

Part Number Name Product Family
ADS1298  8-Channel, 24-Bit Analog-To-Digital Converter With Integrated ECG Front End  Analog Front End (AFE) 
OPA348  1MHz, 45uA, RRIO, Single Op Amp  Operational Amplifier (Op Amp) 
SN74LVC2G00  Dual 2-Input Positive-NAND Gate  Logic 
TLV3401  Single Nanopower Open Drain Output Comparator  Amplifiers and Linear 


Technical Documents
Key Document
User Guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 794 18 Jun 2013 940
More Literature (2)
Title Abstract Type Size (KB) Date Views
PDF 70 20 Sep 2013 11
PDF 161 20 Sep 2013 30
Related Tools & Software

Development Tools (1)

Name Part Number Tool Type
SPICE-Based Analog Simulation Program  TINA-TI  Circuit Design & Simulation 

Software (3)



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