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OPA2991-Q1: Is the OPA4991-Q1 a mirrored die of the OPA2991-Q1?

Cole Helms
Prodigy 20 points
Part Number: OPA2991-Q1
Other Parts Discussed in Thread: OPA4991, OPA2991

Tool/software:

Is the OPA4991 quad op amp a mirrored duplicate die of the 2991 dual op amp with shared references? 

Thank you,

Cole 

  • 0
    TI__Guru**** 159046 points

    Cole,

    OPA4991 has the same shared resources as OPA2991. They obviously share the positive and negative power buses. The might share a common bias generator source. The dual is mirrored left and right, quad is mirrored in two axis. Each core may not be exactly the same. I don't have the layouts or schematics, my analysis is based on what would be customary. 

    What do you ask?