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TINA/Spice/OPA625: OPA625+MUX36S16+OPA625 vs OPA376+MUX36S16+OPA376

Part Number: OPA625
Other Parts Discussed in Thread: TINA-TI, , OPA376, MUX36S16

Tool/software: TINA-TI or Spice Models

Hi,

As attached 2 plots simulated by Tina-TI, Vout5, the last stage with OPA625, is totally distorted, but it is OK with OPA376; the Analysis Parameters in the 2 simulation are all the same. Would you have any idea of why?

Thanks.

Ming