Demonstration circuit 1240 is a General Purpose High-Side Current-Sense Amplifier featuring the LT6106. This demo board amplifies an on-board current-sense resistor voltage-drop, providing a precision uni-polar output voltage proportional to load current. The demo circuit includes scaling resistors that program the gain of the circuit to 25V/V. The LT6106 is powered from the same supply that the sense resistor is connected to and provides a ground referenced output. The LT6106 can perform current measurements on supplies ranging from 2.7V to 36V. Since the output voltage is developed as a controlled current through a load resistance, ground-loop errors can be eliminated by simply locating the load resistor at the destination point (subsequent signal processing such as A/D conversion). Remote loading can be evaluated by simply removing the on board load resistor (R3). The key performance characteristics of the LT6106 and DC1240 are shown in the Performance Summary below.