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Microprocessors

What is LEA as related to microprocessors?

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03/28/2008

LEA in microprocessors or other electronic devices stands for Low Energy Analog (LEA) interface. IEC60044-7, IEC60044-8and ANSI C37.92 standards define specifications of LEA interface. Typically used for sensor and metering interfaces.

The new ANSI C37.92 standard, and the IEC60044-8 standard, defines the nominal rating for current measurements as 4V for metering purposes, and 200mV for relaying purposes. LEA interfaces use voltage values to represent current.