SBOU255 January   2021 INA183

 

  1. 1Trademarks
  2. 2Introduction and Overview
    1. 2.1 INA183
    2. 2.2 INA183EVM
    3. 2.3 Hardware Included
  3. 3Quick Start Setup and Use
    1. 3.1 Measurement With Shunt
    2. 3.2 Measurement Without Shunt
  4. 4INA183EVM Circuit
    1. 4.1 Rx03
    2. 4.2 Rx01, Rx02, Cx01, Cx02, Cx03
    3. 4.3 U1, U2 and U3
    4. 4.4 Voltage Inputs
  5. 5INA183EVM Schematic and PCB Layout
    1. 5.1 Schematic
    2. 5.2 PCB
  6. 6Bill of Materials

3.2 Measurement Without Shunt

This connection method allows the user to either simulate the voltage developed across a sense resistor based on a given set of system conditions, or to connect the INA183EVM remotely to an existing shunt already included in an example application. Figure 3-2 illustrates a measurement configuration without a shunt.

To configure a measurement evaluation without a shunt, follow these procedures.

  1. Connect a differential voltage to VinP and VinN. Ensure that the VinP terminal is the more positive of the two inputs.
  2. Measure the output voltage at the OUT terminal.
GUID-20201124-CA0I-3PP1-VNKT-3WDW61TV4MGW-low.gif Figure 3-2 Measurement Without Shunt
Note:

The output voltage is equal to the gain of the device multiplied by the differential voltage measured directly at the device input pins.