The INAx290 enables accurate current measurement across the entire valid V_SENSE range. The zero-drift input architecture of the INAx290 provides the low offset voltage and low offset drift required to measure low V_SENSE levels accurately across the wide operating temperature of –40°C to +125°C. The capability to measure low sense voltages enables accurate measurements at lower load currents, and also allows reduction of the sense resistor value for a given operating current, which minimizes the power loss in the current-sensing element. For multichannel devices, the offset voltage and offset drift characteristics can vary from channel to channel; however, all channels meet the maximum values specified in Section 6.5.