• RE: OPA2625: How to improve SNR, HD2 and HD3 of an 18-bit SAR ADC when OPA2625 is being used to drive the differential inputs of ADC?

  

  Michael Steffes

  Couple of quick things Akash, 1. Where is your DC bias current path for the V+ inputs to the op amps? 2. This differential I/O op amp circuit sometimes has a common mode oscillation - probably not here, but we did see that in the OPA838 decomp device…

  • 5 months ago
  • Amplifiers
  • Amplifiers forum

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