TIPD111

Hardware Pace Detection for ECG Reference Design

TIPD111

Design files

Overview

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.

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
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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.

TIDR196.PDF (71 KB)

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

TIDC150.ZIP (747 KB)

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

SLAC581.ZIP (884 KB)

Detailed schematic diagram for design layout and components

TIDR195.PDF (162 KB)

Detailed schematic diagram for design layout and components

Products

Includes TI products in the design and potential alternatives.

General-purpose op amps

OPA348Single, 5.5-V, 1-MHz, low quiescent current (45-μA), RRIO operational amplifier

Data sheet: PDF
Biosensing AFEs

ADS12988-Channel 24-bit ADC With Integrated ECG Front End

Data sheet: PDF | HTML
NAND gates

SN74LVC2G002-ch, 2-input, 1.65-V to 5.5-V NAND gates

Data sheet: PDF | HTML
Comparators

TLV3401Single nano power high-voltage comparator with open-drain output

Data sheet: PDF | HTML

Start development

Software

Support software

TIDC151 — TIPD111 Simulation

Supported products & hardware

Supported products & hardware

Hardware development
Reference design
TIPD111 Hardware Pace Detection for ECG Reference Design
Download options

TIDC151 TIPD111 Simulation

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Latest version
Version: 01.00.00.00
Release date: Sep 19, 2013
Hardware development
Reference design
TIPD111 Hardware Pace Detection for ECG Reference Design

Release Information

The design resource accessed as www.ti.com/lit/zip/tidc151 or www.ti.com/lit/xx/tidc151/tidc151.zip has been migrated to a new user experience at www.ti.com/tool/download/TIDC151. Please update any bookmarks accordingly.

Technical documentation

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Type Title Date
User guide TIPD111 Verified Design Reference Guide Jun 18, 2013

Related design resources

Design tools & simulation

SIMULATION TOOL
TINA-TI SPICE-based analog simulation program

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