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Showing 4 results View by: Thread Post Sort by
    Answered
  • OPA328: Regarding use of OPA328 in SAR reference buffer circuit.

    JK
    JK
    Resolved
    Part Number: OPA328 Other Parts Discussed in Thread: TIDA-01055 , REF35 , OPA388 Tool/software: Hello TI support, We are going to use OPA328 for SAR reference buffer circuit. I gone through TI design, TIDA-01055 and document "Do-it-yourself: Three Ways…
    • Resolved
    • 4 months ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA837: common-mode input range violation

    Martin König
    Martin König
    Resolved
    Part Number: OPA837 Other Parts Discussed in Thread: OPA625 , TIDA-01055 I was wondering about the common-mode input range of the OPA837 when used as a reference buffer for an ADC. The TIDA-01055 compares the OPA625 with the OPA837 as a lower power option…
    • Resolved
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • RE: OPA735: The voltage ripple of the REF5025 and OPA735 for ADS1282

    Michael Steffes
    Michael Steffes
    So Kevin, in your current circuit with the OPA725 inverting gain of -1 to generate the -2.5V, that op amp output with no series R and no cap at the VREFN pin will see a sampling glitch due to the closed loop output impedance of the op amp that looks inductive…
    • over 6 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • RE: OPA378: circuits and amplifier as a reference buffer

    Michael Steffes
    Michael Steffes
    Resolved
    Hey Frank, There was quite a lot of composite reference buffer circuit work going on some time back on a few of the SAR ADC demo designs, One such is here where the idea is you get the precision with the front end amplifier and support the sampling current…
    • over 4 years ago
    • Amplifiers
    • Amplifiers forum

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