9 Power Supply Recommendations

The INA300 device input circuitry can accurately measure signals on common-mode voltages beyond the

power-supply voltage, VS. For example, the voltage applied to the VS power-supply terminal can be 5 V, whereas

the load power-supply voltage being monitored (VCM) can be as high as 36 V. Note that the INA300 device can

withstand the full –0.3 V to +36 V range at the input terminals, regardless of whether the device has power

applied or not.

Power-supply bypass capacitors are required for stability and must be placed as closely as possible to the

supply and ground terminals of the device. A typical value for this supply bypass capacitor is 0.1 µF. Applications

with noisy or high-impedance power supplies may require additional decoupling capacitors to reject power-

supply noise.

INA300

SBOS613C – FEBRUARY 2014 – REVISED JUNE 2021

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