INA2132UA datasheet by Texas Instruments

INA2132UA Frequently Asked Questions (FAQs)

• What is the maximum voltage that can be applied to the input pins?
  The maximum voltage that can be applied to the input pins is ±40V, but it's recommended to keep it within ±20V for optimal performance.
• How do I ensure accurate current measurement with the INA2132UA?
  To ensure accurate current measurement, make sure to use a sense resistor with a low temperature coefficient, keep the sense resistor close to the INA2132UA, and use a low-noise power supply.
• What is the purpose of the REF pin, and how do I use it?
  The REF pin is used to set the reference voltage for the internal amplifier. Connect a voltage source (e.g., a voltage regulator output) to the REF pin to set the reference voltage, which should be between 1.5V and 5.5V.
• Can I use the INA2132UA for high-side current sensing?
  Yes, the INA2132UA can be used for high-side current sensing. Connect the sense resistor between the high-side power rail and the load, and connect the INA2132UA inputs accordingly.
• How do I calculate the gain of the INA2132UA?
  The gain of the INA2132UA is calculated as (VOUT / VSENSE) = (R2 / R1) * (R4 / R3), where R1, R2, R3, and R4 are the external resistors connected to the INA2132UA.