The AFE is a critical, yet sometimes underappreciated component to a sensor system. The typical discrete approach of adding op-amps and filters, and trial-and-error soldering of resistors is not efficient and the cost of time in debugging and development easily outweighs the cost of adding an intelligent, MCU-based configurable AFE. But not all configurable AFEs are built the same. So, it is important to consider the flexibility and scalability of the AFE to support embedded types of sensors, and the intelligence to adjust “on the fly” or in the field. Simple, easy-to-use software tools can ease this process and can be embedded by even the non-analog experts on the team.
refer to:http://embedded-computing.com/articles/latest-afe-simplifies-interfacing-hundreds-sensors/#at_pco=cfd-1.0
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