The ADAS1000 ECG AFE simplifies the design of a five-electrode ECG system by reducing the signal chain bill of materials from up to 50 components down to the ADAS1000 single chip plus a few discrete components. The device can be configured to optimize noise performance, power, or data rate - making it suitable for home, ambulatory, and clinical ECG systems. Future products in the series will provide optimized features and functionality to support traditional and emerging ECG system applications.

The ADAS1000 is effective for a wide variety of ECG systems, including diagnostic electrocardiographs, bedside patient monitoring systems, Holter monitors, and cardiac defibrillators.

The ADAS1000 AFE, which offers seamless scalability for high-lead-count systems, requires a minimum number of additional external components and provides several digital output interface options. The ADAS1000 AFE can also support designs based on AAMI (Association for the Advancement of Medical Instrumentation) and IEC (International Electrotechnical Commission) specifications.
 
Additional key features and benefits of the ADAS1000 include:

• A dc-coupled channel implementation that offers simplified input switching, increased versatility, reduced power and distinct post processing advantages;
• Operates 5 ECG electrode measurements from as little as 19 mW. Any unused channels or features can be conveniently disabled to further minimise power to as low as 11 mW for one lead;
• Low noise performance (10 µV pk-pk over 0.05 Hz to 150 Hz) to support end equipment regulatory standards;
• Different data frame rates (2 kHz, 16 kHz, 128 kHz) are available to ensure ultimate ease in data capture;
• The ability to simplify overall design, eliminate many discrete components, reduce overall system size, power consumption, and development time.

A full-featured evaluation board for the ADAS1000 is available and includes the AFE, power supplies, control and interface options to ease development and manufacturing, and the ability to configure the AFE (from 5 to 12 leads) for final deployment.
 
Availability and Pricing

Samples and evaluation boards of the ADAS1000 are available in a 10-mm × 10-mm 64-lead LQFP.  ADI also plans to offer the ADAS1000 in an 8-mm × 8-mm 56-lead LFCSP package.  The device is priced at $28 each per 1,000 volumes.
 
The performance of the new ECG AFE will be demonstrated during DesignMED West, February 8-10, 2011, in Anaheim, California, USA. Watch a video on the features of the new ECG AFE, visit www.analog.com/ADAS1000_video

More information about the ADAS1000 AFE chip at
www.analog.com/ADAS1000

Visit Analog Devices at www.analog.com