2014/08/29
 
 
 
Home > Manufacturers > Analog Devices > AD8232 Single Lead Heart Rate Monitor
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ADI AD8232 Single Lead Heart Rate Monitor

The AD8232 is a low power, low cost, fully integrated single
lead ECG analog front end.

  • Leads off detection
  • Integrated right-leg drive
  • 2-pole adjustable high pass filter
  • Fast restore capability
  • 2 or 3 electrodes & single-lead ECG
ADI - Single Lead Heart Rate Monitor

Product Description

The AD8232 Single Lead Heart Rate Monitor  Analog Front End is is designed to extract, amplify, and filter small biopotential signals in the presence of noisy conditions, such as those created by motion or remote electrode placement. Output signal acquisition is made easy by a design allowing for an ultra low power 10 or 12 bit analog-to-digital converter (ADC) or a 10, 12 or 16 bit embedded microcontroller.

With its ability to implement a two-pole high-pass filter to eliminate motion artifacts and the DC offsets associated with electrode half-cell potentials, tightly coupled with the architecture of the instrumentation amplifier to allow both large gain and high-pass filtering in a single stage. As a result the AD8232 is able to save space and cost, while actively improving performance. With an uncommitted operational amplifier enables the AD8232 to create a multi-pole (up to 3 poles) low-pass filter to remove additional line noise.

Easily optimized with users able to set a frequency cutoff of all filters, while an amplifier designed specifically for implementation of a driven lead, or right leg drive (RLD) circuit improves common-mode rejection of the system’s line frequencies. With a fast restore function that reduces the duration of the otherwise long settling tails of the high-pass filters after a leads off or similar event. Such a compact, customizable design makes the AD8232 ideal for a wide variety of tasks.

Compact

50% smaller with 20% less power consumption than competing solutions

Fast Settling Recovery

Recovers almost 3 seconds

Flexible Architecture

AD8232 is able to handle 10 or 12 bit ADC processors or either a 10, 12 or 16 bit embedded MCU

 
 
   

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