The maximum power dissipation of the INA337AIDGKT is dependent on the operating temperature and the thermal resistance of the package. According to the datasheet, the maximum power dissipation is 670mW at 25°C. However, this value can be derated based on the operating temperature and the thermal resistance of the package.
To minimize noise and ensure accurate measurements, it is recommended to follow good PCB layout practices such as separating analog and digital grounds, using a solid ground plane, and keeping sensitive analog traces away from noisy digital traces. Additionally, it is recommended to use a 4-layer PCB with a dedicated analog ground plane and to keep the INA337AIDGKT as close as possible to the sensing point.
The recommended input impedance for the INA337AIDGKT is 1kΩ to 10kΩ. This impedance range allows for optimal performance and minimizes the effects of input bias current and input capacitance.
The INA337AIDGKT does not require calibration, as it is a ratiometric amplifier that provides a direct output voltage proportional to the input voltage. However, it is recommended to perform a system-level calibration to account for any system-level errors and to ensure accurate measurements.
The maximum common-mode voltage that the INA337AIDGKT can handle is ±250mV. Exceeding this voltage may result in reduced accuracy and linearity.
INA337AIDGKT datasheet
by Texas Instruments
