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AFE reference platform tweaked for medical apps

11 Apr 2013  | Steve Taranovich

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A healthcare analogue front end (AFE) reference platform was recently unveiled by Freescale Semiconductor. The company's latest platform integrates a full set of portable medical solutions which enables designers with rapid development tools and demonstrates the potential of Freescale's technologies in final product applications.

It provides ready-to-develop hardware and software that facilitates the design of medical assets such as vital signs monitors, glucose meters and digital stethoscopes, among other portable and healthcare professional devices. Examples of some product development solutions are portable electrocardiographs, heart rate monitors, pulse oximeters, glucose monitors, blood pressure monitors, spirometers and Doppler ultrasound stethoscopes.

The reference platform is based on the Kinetis K53 high-performance, low-cost, low-power MCU. It embeds a complete analogue measurement engine including Opamps, TRIAMPS, ADCs, DACs and analogue comparators among other modules, reducing costs and PCB sizes, taking your design to the next generation of medical devices. The Kinetis K50 MCU family, at the heart of the design, includes a complete set of analogue peripherals, including trans-impedance amplifiers and general-purpose amplifiers.

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Figure: A typical reference design for the healthcare AFE is a very powerful way to start your design.

Further information regarding Freescale's AFE can be found here.

- Steve Taranovich

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