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  • OPA4197: over volt protection for input of OPA4197

    Resolved
    Part Number: OPA4197 Tool/software: Hi, We have designed a circuit to create a filter for the input of a microcontroller, scaling an input voltage range of 0 to 10 volts down to 0 to 2.5 volts. However, we are concerned about the possibility of someone…
    • Resolved

  • OPA4197: Design Inquiry

    TI Thinks Resolved
    Part Number: OPA4197 Hi Team, I'm planning to use OPA4197 in my analog card. I'm planning to give +12V and -12V as input power supplies. Please provide what will be the supply current to these V+ and V- pins, as only quescient current details are mentioned…

  • OPA4197: Input Protection for OPA4197 and Devices Equivalent to OPA4323

    TI Thinks Resolved
    Part Number: OPA4197 Other Parts Discussed in Thread: OPA4323 , , OPA192 , OPA388 , OPA320 , OPA328 , OPA322 Tool/software: Hi, I would like to inquire about the input protection behavior of the OPA4197 and possible alternatives to the OPA4323.…

  • OPA4197: External Current source design recommendations

    TI Thinks Resolved
    Part Number: OPA4197 Other Parts Discussed in Thread: REF200 Hi TI Team, We are planning to use an ADC for RTD PT1000 measurements with external current source. Please suggest ways to design a precision current source or let us know if any ready made…

  • OPA4197: unused pins

    TI Thinks Resolved
    Part Number: OPA4197 Tool/software: What do I do with unused pins of this quad package op-amp? Plan on using all pins except for 5,6,7 What do I do with these pins? P/N: OPA4197QPWRQ1
    • Answered

  • OPA4197-Q1: Looking for more details on input bias current vs temp

    Resolved
    Part Number: OPA4197-Q1 Other Parts Discussed in Thread: OPA4197 , OPA2192-Q1 , , OPA197 , OPA192 , LMP7721 , OPA928 Can you please share a more zoomed in view of input bias current vs temp for this part, specifically around 25-85 deg temp range?
    • Resolved

  • OPA4197: OPA4197 and TLV9354

    TI Thinks Resolved
    Part Number: OPA4197 Other Parts Discussed in Thread: OPA2197 , , TLV9352 , TLV9354 Hello I have several Designs using OPA4197 and OPA2197. Due to their non availability , we are are forced to use TLV9354 and TLV9352. One question of how to select…

  • OPA4197: We have designed current sense design using OPA4197 and practically we have faced issue to measure current between 10nA to 10uA. Is it due to any filtering issue or noise issue? It's working good 100uA to 1A. Could you please guide us why it...

    TI Thinks Resolved
    Part Number: OPA4197 Other Parts Discussed in Thread: OPA197 , INA826 , INA317 , INA333 , ADS8166 , ADS8168 Tool/software: Hello TI Expert, We have designed current sense design using OPA4197 and practically we have faced issue to measure current…

  • OPA4197: possible SPICE model issue

    TI Thinks Resolved
    Part Number: OPA4197 This is a rail to rail input device. I'm simulating it with a single supply and common mode voltage at the negative rail. The device is specified for this operation and has a Vos spec of 100 uV max, 25 uV typical. The sim is returning…

  • OPA4197: Input has protection to spikes and negative signal?

    Part Number: OPA4197 Other Parts Discussed in Thread: OPA197 , OPA206 Tool/software: Hi Experts, Can you assist this query from customer? They are in process of finding alternate for OP747ARZ (which is our current part). I found OPA4197ID (Texas…

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