Basic current to voltage converter

Posted on Feb 5, 2014

With this basic circuit, the input current is fed directly into the summing node (pin 2) and the op-amp output changes to extract the same current from the summing node through R1. The scale factor of this circuit is R1 volts per amp. That is, the output voltage is equal to the input current timesR1. The only conversion error in this circuit is Ib

Basic current to voltage converter
Click here to download the full size of the above Circuit.

ias, which is summed algebraically with IIN. The basic circuit can be used to measure current directly because: IIN =VOUT/R1. For example, if VOUT is 1 V (or 1000mV), and R1 is 100 ©, IN = 10mA.

Leave Comment

characters left:

Related Circuits

  • New Circuits



    Popular Circuits

    Advanced Phone in use circuit
    Voltage Doubler Circuit
    Triac circuit
    40khz laser burst detector
    pseudo track occupancy detector
    Triangle Wave Oscillator
    Capacitor charging and discharging
    Novice CW Transmitter
    Double transistor low noise of the preamplifier measured by high