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INA300-Q1: about input bias current

Paul Kim
Intellectual 1430 points
Part Number: INA300-Q1

Hi team

INA300-Q1 D/S say Input bias current = Max 0.5uA for disable mode.

so total input bias current would be Max 1uA(= 0.5uA x 2) for two input pins ?

further, I have to double the graphed Ib on Figure 8(Disabled) for two input pins ?

  • 0
    TI__Mastermind 24075 points

    Hello Paul,

    I am linking a previous thread started by you, where I provide details on input bias current profiles and how these can be derived and used from the data sheet here.

    Yes the total current of IB+ and IB- combined would be 1uA for 12V common mode, 3.3V supply, in disable mode.

    As you did with the above typical value, you would also multiply all of the average values in figure 8 by 2.