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LMH32404-Q1: LMH32404

Giora Eytan
Expert 1195 points
Part Number: LMH32404-Q1

Hello,

I want to drive the VOCM pin to 0.7V.

How I override the 1.1V internal bias?

                                           How to drive?

Regards,

Giora

  • 0
    Guru 258090 points

    You device must be strong enough to override the internal resistor divider. The VOCM input impedance is specified as about 17 kΩ. If you are using an opamp, it will usually be much stronger than that.

    In theory, you could use a plain pull-down resistor of 29.68 kΩ, but in practice, I do not know the tolerances of the internal resistors.