Application of XTR115 current loop circuit Aiming at the needs of anti-harsh electromagnetic interference environment in various data acquisition and monitoring, a low-power two-wire 4-20 mA current loop data transmission circuit based on XTR115 is given. First, the performance characteristics and working principle of XTR115 are discussed. Then, aiming at its typical application in temperature sensor, the principle circuit of the current loop inside the sensor is described in detail, and the detailed design process of the typical application circuit is given. The actual measurement results show that the current loop circuit based on XTR115 has strong anti-interference ability and accurate data transmission, and has broad application prospects in industrial measurement.
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