INA168NA/3K datasheet by Texas Instruments

INA168NA/3K Frequently Asked Questions (FAQs)

• What is the maximum power dissipation of the INA168NA/3K?
  The maximum power dissipation of the INA168NA/3K is 670mW, which is calculated based on the maximum junction temperature (TJ) of 150°C and the thermal resistance (RθJA) of 125°C/W.
• How do I ensure the accuracy of the INA168NA/3K in high-temperature applications?
  To ensure accuracy in high-temperature applications, it is recommended to use a thermocouple or thermistor to monitor the temperature and compensate for the temperature drift of the INA168NA/3K. Additionally, the device should be operated within its specified temperature range of -40°C to 125°C.
• What is the recommended layout and routing for the INA168NA/3K to minimize noise and electromagnetic interference (EMI)?
  To minimize noise and EMI, it is recommended to use a multi-layer PCB with a solid ground plane, keep the input and output traces short and away from each other, and use a common-mode choke or ferrite bead to filter out high-frequency noise.
• Can the INA168NA/3K be used in a single-supply configuration?
  Yes, the INA168NA/3K can be used in a single-supply configuration. However, the input common-mode voltage range is limited to VCC-1.5V to VCC+0.5V, and the output voltage swing is reduced to VCC-1.5V to VCC-0.5V.
• How do I calculate the gain error of the INA168NA/3K?
  The gain error of the INA168NA/3K can be calculated using the formula: Gain Error (%) = (Vout/Vin - Gain) / Gain * 100%, where Vout is the output voltage, Vin is the input voltage, and Gain is the specified gain of the device.