Tutorial: INA138 / INA139

Measures, compares, amplifies or converts analogue signals.

INA138 / INA139

Tutorial / documentation

Analogue circuits

Quick documentation & first test preparation

  1. Identify component INA138 and its package.
  2. Check input/output ranges and power supplies.
  3. Read the application circuit and stability/decoupling recommendations.
  4. Consult the application circuit in the linked documentation before testing.

INA138

High-Side Measurement Current Shunt Monitor, 36V, SOT-23-5

  • High-Side Measurement Current Shunt Monitor, 36V, SOT-23-5
  • Check input/output ranges and power supplies.
  • Read the application circuit and stability/decoupling recommendations.
  • The manufacturer’s pinout and absolute limits take precedence over this page.
Technical documentation

INA139

High-Side Measurement Current Shunt Monitor, 40V, SOT-23-5

  • High-Side Measurement Current Shunt Monitor, 40V, SOT-23-5
  • Check input/output ranges and power supplies.
  • Read the application circuit and stability/decoupling recommendations.
  • The manufacturer’s pinout and absolute limits take precedence over this page.
Technical documentation

Inputs and outputs must match the function described in the selected reference’s documentation.