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8ch front-ends offer power efficiency of 1mW/channel<

Posted: 31 Mar 2010     Print Version  Bookmark and Share

Keywords:analogue front-end  medical application  amplifier 

ADS1298 analogue front-end

Texas Instruments Inc. has rolled out the first in a family of fully-integrated analogue front-ends for medical applications. These include portable and high-end electrocardiogram (ECG) and electroencephalogram (EEG) equipment, as well as patient monitoring and consumer medical applications.

The eight-channel, 24bit ADS1298 reduces component count and power consumption by up to 95 per cent as compared to discrete implementations, with a power efficiency of 1mW/channel, while allowing customers to achieve high levels of diagnostic accuracy.

The ADS1298 integrates all common features required for ECG and EEG front ends, including the following: eight low-noise programmable gain amplifiers; eight high-resolution, simultaneous sampling ADCs; integrated amplifier for right-leg drive; integrated amplifiers for Wilson Centre Terminal and Goldberger Terminals; digital pace detection capability; continuous lead-off detection; and an onboard oscillator and reference for smaller footprint and low-power applications.

The ADS1298 is sampling in BGA package. Pricing is Rs.1,105.94 ($23.95) in 1,000-unit quantities.

- Ismini Scouras

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