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OPA140 power consumption question

Genius 3900 points
Other Parts Discussed in Thread: OPA140

Hi,

Suppose I need to design a 12V power for OPA140 to drive a load about 20mA. The quiescent curren is max 2.7mA, so the 12V power should be able to provide current at  least 2.7mA+20mA =22.7mA . Is this interpretion  correct?

Thanks!