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  • OPA397: Datasheet Error

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    Part Number: OPA397 Hello TI, Just FYI, there is an error in the OPA397 datasheet. Figure 6.8 is labeled as "Input Bias Current vs. Temperature", but the graph is of "Input Bias Current vs. Common-Mode Voltage" at Vs=5.5V Have a…
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  • RE: TPS7B7702-Q1: Co-work with MCU ADC

    Hi Albert, Ah yes of course- the OPA397 is not yet auto-qualed., but the higher-performance version will be next year called OPA392. The best device at the moment then is probably OPA376-Q1, or OPA388-Q1 for ultra-low offset chopper amp. Regards, Mike …
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  • RE: OPA2376: Is this the best replacement for LMV821

    Resolved
    Thank you for taking the time to explain why the LMV821 is noisy. I will look more into the OPA397.
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  • RE: OPA2145: amplifier and other component selection

    Resolved
    Hi Marek Lis, Thanks for the info and recommendation on opamp. Now we have better understanding with parameter selection of opamp. Apart from "Input bias" and "Offset Voltage", do we need to consider anything else? Unfortunately OPA392 and OPA397 are…

  • TLV4333: Can the TLV4333 op amp be used as a hysteresis comparator?

    TI Thinks Resolved
    Part Number: TLV4333 Other Parts Discussed in Thread: OPA397 , OPA396 , OPA392 , OPA391 , OPA320 , OPA196 , OPA325 , OPA191 Hi Team, I have two question want to ask. Can the op amp be used as a comparator? Can the tlv4333 op amp be used as a Hysteresis comparator…

  • TLV2333: Question about Input Bias Current vs Input Differential Voltage

    TI Thinks Resolved
    Part Number: TLV2333 Other Parts Discussed in Thread: OPA397 , OPA396 , OPA392 , OPA391 , OPA320 , OPA196 , OPA191 Hi My customer is using TLV2333. The input differential voltage is 2V, but the graph below is expressed only up to 800mV. I want to know the input…

  • RE: Need Help in finding a Suitable OpAMP for EEG active sensor Electrode design

    Hi Dr. Chandra, Yes, you may use the OPA392 or OPA397 as an alternative solution to the OPA376.
    • Answered

  • OPA191: OPA191

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    Part Number: OPA191 Other Parts Discussed in Thread: ADS1015 , OPA197 , OPA397 , OPA350 , OPA333 Hi, I am looking for the headroom voltage value of OPA191. How can I find this value in the datasheet? Is it possible to find it out? Thank you.
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    • Answered

  • RE: OPA392: Accurate measurement of voltage from high impedance source

    Resolved
    One more comment to those who may come across this thread. What I initially failed to notice was that, according to docs, OPA392 maintains low I B (-20/+30fA) within V CM =±1.5V range (is it relative to V S /2 ?) and above V CM =1V I B+ goes through the roof…
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  • OPA325: Datasheet question: Input bias current / offset current and test temperature range

    Resolved
    Part Number: OPA325 Other Parts Discussed in Thread: OPA397 , Hi there, sometimes datasheets report several values for a single parameter acquired using different test conditions, e.g., the parameter is measured using different temperature ranges. One expects…
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