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LM7321: IC Max. operating current

Part Number: LM7321

Hello team,

I'd like to know IC max operating current of LM7321 when it operates in 3.3V to estimate IC's possible max power consumption.

From the data sheet, I was able to find I_s (supply current) with 2.7V as below. Does it make difference on supply current of 1.9mA if it operates in 3.3V? What's the operating current when 3.3V supply?

In addition, can (VSS * I_s) be used to estimate power consumption of IC itself?

Thank you!