Mouser adds analogue front-end for heart monitors

Available from Mouser Electronics, the AD8233 analog front-end from Analog Devices is an integrated, single-lead electrocardiogram (ECG) front-end designed in a compact, easy-to-use component.

The low-power biopotential device is claimed to enable smaller, lighter, and less obtrusive cardiac monitoring devices with longer battery life. It is also claimed to eliminate unnecessary costs and extra design time.

The analog front-end is made up of an integrated signal conditioning block 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. The design allows for a low-power ADC or an embedded microcontroller to acquire the output signal.

The device’s foorprint is just 2.0 x 1.7mm.

The single-supply (1.7 to 3.5V) AD8233 features low quiescent current of 50microA (typical), resulting in extended battery life that helps support continuous monitoring without the interruption of a recharge or battery replacement.

For ease-of-use and flexibility, the AD8233 includes an integrated right leg drive (RLD) amplifier with shutdown plus an uncommitted op amp. The device also provides a two-pole adjustable high-pass filter, a three-pole adjustable low-pass filter with adjustable gain, and a radio frequency interference (RFI) filter.

The AD8233 is supported by the AD8233CB-EBZ evaluation board, a ready-to-use AFE tool with the necessary inputs, outputs, supplies, and leads routed to test pins to simplify connectivity.

http://www.mouser.com/new/Analog-Devices/adi-ad8232-amplifier/

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