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

INA183

The INA183 devices are voltage output, high-side measurement, zero-drift current shunt monitors. This family of devices has gains that range from 50 V/V to 200 V/V. The voltage developed across the device inputs is amplified by the corresponding gain of the specific device and is presented at the output pin. These devices can sense voltage drops across shunts at common-mode voltages from 2.7 V to 26 V. These devices operate by drawing power from the IN+ pin drawing a maximum of 135 μA of supply current. The low offset of the zero-drift architecture enables current sensing with maximum drops across the shunt as low as 10-mV full-scale.

The INA183 devices are currently available in an SOT23-5 surface-mount package. Table 2-1 summarizes the available device options.

Table 2-1 INA183 Device Summary
ProductGain
INA183A150
INA183A2100
INA183A3200