Shunt Resistor Circuit. This is an open drain high current output. In electronics a shunt is a device that creates a low resistance path for electric current to allow it to pass around another point in the circuit.
The resistance value is given by the voltage drop at the maximum current rating. If shunt resistor is 0 1 ohms very common and the current is 1a this will result in 1 x 0 1 0 1v across shunt resistor this will mean 0 1v output of the differential amplifier when unity gain is used so it is 0 1v per 1 a. It is also connected in series with the load whose current is to be measured.
Also known as a current shunt or an ammeter shunt it works by measuring the voltage drop across a known resistance.
For example a shunt resistor rated with 100a and 50mv has a resistance of 50 100 0 5 mohm. This is an open drain high current output. This means that the current is equal to the voltage divided over the resistance or. A shunt resistor is a precision device used to measure current in an electrical circuit.
