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  • 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?

    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…
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  • ADC ADS8331

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    Other Parts Discussed in Thread: ADS8331 I read the datasheet and it is not clear for me how to get the 4 channels conversions. How many cycles are necessary to get the four conversions? I want all 4 channels working all the time, is it necessary to configure…
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